CA2819535A1 - Modular electrical bus system - Google Patents
Modular electrical bus system Download PDFInfo
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- CA2819535A1 CA2819535A1 CA2819535A CA2819535A CA2819535A1 CA 2819535 A1 CA2819535 A1 CA 2819535A1 CA 2819535 A CA2819535 A CA 2819535A CA 2819535 A CA2819535 A CA 2819535A CA 2819535 A1 CA2819535 A1 CA 2819535A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2408—Modular blocks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2491—Terminal blocks structurally associated with plugs or sockets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1462—Mounting supporting structure in casing or on frame or rack for programmable logic controllers [PLC] for automation or industrial process control
- H05K7/1468—Mechanical features of input/output (I/O) modules
- H05K7/1472—Bus coupling modules, e.g. bus distribution modules
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1462—Mounting supporting structure in casing or on frame or rack for programmable logic controllers [PLC] for automation or industrial process control
- H05K7/1475—Bus assemblies for establishing communication between PLC modules
- H05K7/1478—Bus assemblies for establishing communication between PLC modules including a segmented bus
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1462—Mounting supporting structure in casing or on frame or rack for programmable logic controllers [PLC] for automation or industrial process control
- H05K7/1475—Bus assemblies for establishing communication between PLC modules
- H05K7/1479—Bus assemblies for establishing communication between PLC modules including decentralized modules, e.g. connected to other modules using fieldbus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/04—Connectors or connections adapted for particular applications for network, e.g. LAN connectors
Abstract
A modular electrical bus system for a valve manifold has a main communication module with a plurality of modular I/O units each having a plurality of I/O fittings being both electrically and mechanically connectable together via a bridge member connecting adjacent units and the main communication module. At least one of the modular I/O
units is also mechanically separable from and maintains communication connection to the main communication module. One or both of the modular IO units and main communication module may have an alpha-numeric display.
units is also mechanically separable from and maintains communication connection to the main communication module. One or both of the modular IO units and main communication module may have an alpha-numeric display.
Description
MODULAR ELECTRICAL BUS SYSTEM
This is a divisional application of Canadian Patent Application Serial No.
This is a divisional application of Canadian Patent Application Serial No.
2,693,518 filed on December 14, 2007.
TECHNICAL FIELD
[0001] The field of this invention relates to electrical bus systems that can be used with pneumatic valve manifolds.
It should be understood that the expression "the invention" and the like encompasses subject-matter of both the parent and the divisional applications.
BACKGROUND OF THE DISCLOSURE
[0002] Industrial automation uses many control devices. One useful control device combines electrical actuated solenoids that control the direction of hydraulic or pneumatic flow for actuating other downstream devices. In recent times these valves have been controlled by industrial networks (fieldbusses) whose communication modules are often mounted adjacent the valve manifold.
TECHNICAL FIELD
[0001] The field of this invention relates to electrical bus systems that can be used with pneumatic valve manifolds.
It should be understood that the expression "the invention" and the like encompasses subject-matter of both the parent and the divisional applications.
BACKGROUND OF THE DISCLOSURE
[0002] Industrial automation uses many control devices. One useful control device combines electrical actuated solenoids that control the direction of hydraulic or pneumatic flow for actuating other downstream devices. In recent times these valves have been controlled by industrial networks (fieldbusses) whose communication modules are often mounted adjacent the valve manifold.
[0003] Efforts have been made to modularize the fieldbus with input-output modules (I/O) so additional I/O components can be more easily added on or replaced. Each input/output module has a plurality of fittings which can all be used as input fittings, all be used as output fittings, or as a mix of input and output fittings. The modularity is desirable to remotely place certain I/O modules closer to a particular sensor or machine. In the past, when such remote mounting is achieved, different remote components must be used.
[0004] What is needed is a modular electrical bus system with I/O modules that can be easily mounted together and separable to be used remotely from the main communication module. Further what is needed is an I/O module and fieldbus module that has a graphic visual display that can display status and varying parameters.
SUMMARY OF THE DISCLOSURE
(00051 In accordance with one aspect of the invention a modular electrical bus system for a valve manifold has a first module and second module juxtaposed against each other with complementary interlocking shapes to interlock along a mounting plane. Preferably, the first module having an interlocking extension and the second module having an interlocking cavity. Preferably the bus system has the first and second modules being in the form of modular I/0 units each having a plurality of I/0 fittings being both electrically and mechanically connectable together via a bridge member connecting adjacent units together.
At least one of the modular 110 units is also mechanically separable from and maintains communication connection to the bus system. The bridge member locks the first and second modules together perpendicular to the mounting plane.
0006J Each modular I/0 unit has a main front face and sides with recessed front faces with respect to a main front face. The sides house electrical fittings that are interposed between two main front faces of two adjacent modular I/0 units. The bridge fits in a gap formed in front of the recessed front faces between the main front faces of two adjacent modular I/0 units to mechanically connect and affix to both adjacent modular I/0 units. In one embodiment, each bridge member has complementary electrical fittings to connect to the electrical fitting of the adjacent modular I/0 units to electrically connect the adjacent modular I/0 units. Preferably, the first and second front face sections are complementarily shaped to interlock adjacent modules together in a plane of the main front face. In one embodiment, the first and second front face sections have complementary shaped dove tail female and male shapes to interlock together.
. =
The front face section at the one side of the housing and the second front face section at the other side of the housing are aligned at the same distance from the main front face. The first electrical connection is laterally aligned with the second electrical connection of an adjacent module when the adjacent modules are connected together.
f0007] In another embodiment, the modular I/0 units have a generally rectangular housing with a central front face with a plurality of I/0 connectors.
The housing has an upper shoulder and lower shoulder with each shoulder having two electrical connectors thereon. The bridge members both electrically and mechanically couple the upper and lower shoulders together. The modular I/0 units are juxtaposed adjacent each other with the bridge members having an interlocking protrusion that is received within a complementary receptacles of adjacent modular I/0 units. The bridge members has an aperture therethrough aligned with at least one receptacle for receiving a fastener that passes through the aperture and receptacle to pass through the I/0 units to attach the I/0 units to a mounting surface. The two adjacent modular I/0 units may have opposing receptacles with a dovetail shapes that face each other. The protrusion may have a tapered dovetail shaped section that is received in both facing female receptacles.
[0008] In one embodiment, the modular 1/0 units have a housing with a respective electrical connector mounted in proximity to opposite sides. The bridge member has mating electrical connections for connecting to two adjacent modular 1/0 units or main communication module. The modular I/0 may have its housing having an upper shoulder and lower shoulder with each shoulder having two electrical connectors thereon. The bridge member both electrically and mechanically couples the respective upper and lower shoulders of adjacent units together.
100091 In accordance with another aspect of the invention, an electrical bus communication system has a modular unit with an alpha-numeric graphical display for displaying information relative thereto.
10010] According to another aspect of the invention, an electrical bus communication assembly has main communication module and a bank of modular 1/0 units mounted to the side of the main communication module and adjacent each other. Each modular 1/0 unit has an electrical fitting in proximity to each side thereof. A bridge member spans and connects the two adjacent modular 1/0 units. The bridge member has complementary electrical fittings for engaging the electrical fittings of two adjacent 1/0 units. A fastener optionally mounts the modular 1/0 units to a mounting base. The bridge member also mechanically connects the adjacent modular 1/0 units together such that when the bridge members are disengaged from one modular 1/0 unit, the one modular 1/0 unit can be removed from the mounting base and the bank of modular 1/0 units without removing the left and right adjacent modular 1/0 units. Each modular unit encloses electronic boards therein and is distributable to a remote location and electrically connectable to the main bank and main communications module.
100111 An 1./0 module for an electrical bus system may, according to another aspect of the invention, have a housing with a main front face and a first electrical connection proximate to one side and a second electrical connection proximate another side. A plurality of I/O fitting on the main front face of the housing. One side of the housing is shaped to fitted adjacent the other side of an adjacent I/O module and to receive a bridge connector. The alpha-numeric graphical display preferably has operable buttons for scrolling through menus and different indicia relating to different parameters of the 1/0 module.
100121 According to another aspect of the invention, an electrical bus assembly has a main communication module and a bank of modular I/O units mounted to the side of the main communication module and adjacent each other.
Each modular 1/0 unit has an electrical fitting in proximity to each side thereof and being connected to a respective complementary electrical fitting of an adjacent module. The one modular I/0 unit is removable from the bank of modular 1/0 units without removal of the left and right adjacent modular 1/0 units. Each modular 1/0 unit encloses electronic boards therein and is distributable to a remote location and electrically connectable to the main bank and main communication module. The main communication module is constructed to automatically address each modular 1/0 unit with a sub-network address on either the main bank or on the remote location. The I/0 modules each constructed to automatically select a choice of two power sources fed into each 1/0 unit.
According to an aspect of the present invention, there is provided a modular electrical bus assembly comprising;
a first module and a second module juxtaposed against each other;
said one module having one side with a unitary interlocking extension;
said second module having a juxtaposed side with a complementary interlocking cavity; and a bridge member placed and aligned directly in front of both said interlocking extension and interlocking cavity and secured thereto to connect adjacent first and second modules together.
According to another aspect of the present invention, there is provided a modular electrical bus system comprising:
a first module and second module being juxtaposed adjacent each other and each having a respective receptacle for interlocking with a protrusion from a bridge member;
said bridge member having an interlocking protrusion that is received within a complementary receptacle of adjacent modular I/0 units;
said bridge member placed directly in front of both said receptacles and secured thereto to connect adjacent first and second modules together;
said first and second modular units being a plurality of modular I/O
units each having a plurality of I/O fittings, said modular I/O units being both electrically and mechanically connectable together via a bridge member connecting adjacent I/0 units; and at least one of said modular I/O units also being mechanically separable from and maintaining communication connection remotely to the bus system.
According to a further aspect of the present invention, there is provided an electrical bus assembly comprising:
a main communication module:
a main bank of modular I/O units mounted to the side of the main communication module and adjacent each other;
each modular I/0 unit having an electrical fitting in proximity to each side thereof;
a bridge member spanning and connecting two adjacent modular 1/0 units;
said bridge member having complementary electrical fittings for engaging the electrical fittings of two adjacent I/O units;
a fastener for mounting said modular I/O units to a mounting base;
said bridge member also mechanically connecting said adjacent modular I/0 units together such that when said bridge members are disengaged from one modular I/0 unit, said one modular I/O unit can be removed from said mounting base and said bank of modular I/O units without removing said left and right adjacent modular I/O units; and each modular I/O unit enclosing electronic boards therein and being distributable to a remote location from said main bank -5a-and said main communication module and electrically connectable to the main bank and main communication module via a cable or wireless communication medium.
According to a further aspect of the present invention, there is provided an I/O module for an electrical bus system comprising:
a housing having a main front face and a first electrical connection proximate to one lateral side and a second electrical connection proximate another lateral side;
a plurality of I/O fittings on the main front face of said housing;
said one lateral side of said housing shaped to interlock with said another lateral side of an adjacent I/O module and to receive a bridge connector therebetween directly in front of said respective interlocking sides; and said another lateral side of said housing shaped to interlock with one lateral side of an adjacent I/O module and to receive a second bridge connector therebetween aligned directly in front of said respective interlocking side.
According to a further aspect of the present invention, there is provided a modular electrical bus assembly comprising:
a first module and a second module juxtaposed against each other and having opposing sides with complementarily shaped sections to interlock together along a horizontal plane; and a bridge member fastenable to both first and second module directly in front of said complementarily shaped sections to lock said modules together in a direction perpendicular to said plane.
According to a further aspect of the present invention, there is provided an electrical bus communication assembly comprising:
a main communication module;
a main bank of modular I/O units mounted to a first side of the main communication module and adjacent each other;
each modular 1/0 unit having an electrical fitting in proximity to each side thereof and being connected to a respective complementary electrical fitting of one of an adjacent I/O unit and main communication module;
-5b-=
each modular I/O unit being removable from and installable to said bank of modular I/O units without removing any other modular I/O unit and main communication module;
each modular I/O unit enclosing electronic boards therein and being distributable to a remote location from said main communication module and said main bank and remaining electrically connectable to the main bank and main communication module from said remote location via a cable or wireless communication medium; and said main communication module constructed to automatically address each modular I/O unit with a sub-network address on either the main bank or on the remote location.
According to a further aspect of the present invention, there is provided an electrical bus communication system comprising:
a main communication module constructed to be physically connected to an I/O unit;
at least one I/O unit constructed to be physically connected to said main communication module along a main bank that includes said main communication module;
said at least one I/O unit constructed to be distributable to a remote location from said main bank and remaining electrically connectable to said main communication module from said remote location via a cable or wireless communication medium; and said main communication module constructed to automatically address said at least one I/O unit with a sub-network address on either the main bank or on a remote location.
According to a further aspect of the present invention, there is provided an electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being constructed to automatically select a choice of two power sources fed into said module.
According to a further aspect of the present invention, there is provided an electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display -5c-thereon for displaying information relative thereto; and said module being a communication module constructed to be connected to a plurality of external output devices.
According to a further aspect of the present invention, there is provided an electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being an I/0 modular unit having externally available connectors for connecting to a plurality of input sensors and/or output devices.
According to a further aspect of the present invention, there is provided an electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto;
said module being an I/0 unit for a valve manifold;
said I/O unit having a first side with an interlocking extension of a first shape;
said I/0 unit having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to interlock with an interlocking extension having said first shape;
said interlocking extensions having front faces recessed with respect to a main face of said I/O unit;
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O unit;
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said respective I/O unit; and said I/O unit being constructed to automatically select a choice of two power sources fed into each I/O unit.
According to a further aspect of the present invention, there is provided an I/O unit in connection with a serial fieldbus system comprising:
a housing having a plurality of externally available connectors for connecting to a plurality of input sensors and/or output devices; and an electronic numeric or alpha-numeric display mounted on a face -5d-of the I/O unit for displaying information relative thereto.
According to a further aspect of the present invention, there is provided a main communication module in connection with an electrical serial fieldbus communication system, said main communication module comprising:
said main communication module constructed to be connectable to a plurality of external output devices; and an electronic numeric or alpha-numeric display on a face of the main communication module for displaying information relative thereto.
-5e-BRIEF DESCRIPTION OF TBE DRAWINGS
100131 Reference now is made to the accompanying drawings in which:
100141 Figure 1 is a perspective and partially schematic overview of one arrangement according to an embodiment of the invention;
100151 Figure 2 is a partially exploded view of the main bank of 1/0 modules and connector clips shown in Figure 1 shown with a fieldbus module and optional terminating plate and bus-out plate;
100161 Figure 3 is an exploded view of remote 1/0 station shown in Figure I;
100171 Figure 4 is an enlarged perspective view of one 1/0 module shown in Figure I;
100181 Figure 5 is a partially exploded top side elevational view of adjacent 1/0 modules and a connector clip;
100191 Figure 6 is an exploded view of the 1/0 housing shown in Figure 3;
[0020) Figure 7 is a rear perspective view of the 1/0 module shown in Figure 3;
100211 Figure 8 is an exploded view of the connector clip shown in Figure 2;
100221 Figure 9 is a schematic view of the grounding circuit formed by the trace shown in Figure 6 and the clip shown in Figure 8;
100231 Figure 10 is a perspective view of an second embodiment according to the invention;
100241 Figure 11 is a front plan view of one 1/0 module shown in Figure 10;
SUMMARY OF THE DISCLOSURE
(00051 In accordance with one aspect of the invention a modular electrical bus system for a valve manifold has a first module and second module juxtaposed against each other with complementary interlocking shapes to interlock along a mounting plane. Preferably, the first module having an interlocking extension and the second module having an interlocking cavity. Preferably the bus system has the first and second modules being in the form of modular I/0 units each having a plurality of I/0 fittings being both electrically and mechanically connectable together via a bridge member connecting adjacent units together.
At least one of the modular 110 units is also mechanically separable from and maintains communication connection to the bus system. The bridge member locks the first and second modules together perpendicular to the mounting plane.
0006J Each modular I/0 unit has a main front face and sides with recessed front faces with respect to a main front face. The sides house electrical fittings that are interposed between two main front faces of two adjacent modular I/0 units. The bridge fits in a gap formed in front of the recessed front faces between the main front faces of two adjacent modular I/0 units to mechanically connect and affix to both adjacent modular I/0 units. In one embodiment, each bridge member has complementary electrical fittings to connect to the electrical fitting of the adjacent modular I/0 units to electrically connect the adjacent modular I/0 units. Preferably, the first and second front face sections are complementarily shaped to interlock adjacent modules together in a plane of the main front face. In one embodiment, the first and second front face sections have complementary shaped dove tail female and male shapes to interlock together.
. =
The front face section at the one side of the housing and the second front face section at the other side of the housing are aligned at the same distance from the main front face. The first electrical connection is laterally aligned with the second electrical connection of an adjacent module when the adjacent modules are connected together.
f0007] In another embodiment, the modular I/0 units have a generally rectangular housing with a central front face with a plurality of I/0 connectors.
The housing has an upper shoulder and lower shoulder with each shoulder having two electrical connectors thereon. The bridge members both electrically and mechanically couple the upper and lower shoulders together. The modular I/0 units are juxtaposed adjacent each other with the bridge members having an interlocking protrusion that is received within a complementary receptacles of adjacent modular I/0 units. The bridge members has an aperture therethrough aligned with at least one receptacle for receiving a fastener that passes through the aperture and receptacle to pass through the I/0 units to attach the I/0 units to a mounting surface. The two adjacent modular I/0 units may have opposing receptacles with a dovetail shapes that face each other. The protrusion may have a tapered dovetail shaped section that is received in both facing female receptacles.
[0008] In one embodiment, the modular 1/0 units have a housing with a respective electrical connector mounted in proximity to opposite sides. The bridge member has mating electrical connections for connecting to two adjacent modular 1/0 units or main communication module. The modular I/0 may have its housing having an upper shoulder and lower shoulder with each shoulder having two electrical connectors thereon. The bridge member both electrically and mechanically couples the respective upper and lower shoulders of adjacent units together.
100091 In accordance with another aspect of the invention, an electrical bus communication system has a modular unit with an alpha-numeric graphical display for displaying information relative thereto.
10010] According to another aspect of the invention, an electrical bus communication assembly has main communication module and a bank of modular 1/0 units mounted to the side of the main communication module and adjacent each other. Each modular 1/0 unit has an electrical fitting in proximity to each side thereof. A bridge member spans and connects the two adjacent modular 1/0 units. The bridge member has complementary electrical fittings for engaging the electrical fittings of two adjacent 1/0 units. A fastener optionally mounts the modular 1/0 units to a mounting base. The bridge member also mechanically connects the adjacent modular 1/0 units together such that when the bridge members are disengaged from one modular 1/0 unit, the one modular 1/0 unit can be removed from the mounting base and the bank of modular 1/0 units without removing the left and right adjacent modular 1/0 units. Each modular unit encloses electronic boards therein and is distributable to a remote location and electrically connectable to the main bank and main communications module.
100111 An 1./0 module for an electrical bus system may, according to another aspect of the invention, have a housing with a main front face and a first electrical connection proximate to one side and a second electrical connection proximate another side. A plurality of I/O fitting on the main front face of the housing. One side of the housing is shaped to fitted adjacent the other side of an adjacent I/O module and to receive a bridge connector. The alpha-numeric graphical display preferably has operable buttons for scrolling through menus and different indicia relating to different parameters of the 1/0 module.
100121 According to another aspect of the invention, an electrical bus assembly has a main communication module and a bank of modular I/O units mounted to the side of the main communication module and adjacent each other.
Each modular 1/0 unit has an electrical fitting in proximity to each side thereof and being connected to a respective complementary electrical fitting of an adjacent module. The one modular I/0 unit is removable from the bank of modular 1/0 units without removal of the left and right adjacent modular 1/0 units. Each modular 1/0 unit encloses electronic boards therein and is distributable to a remote location and electrically connectable to the main bank and main communication module. The main communication module is constructed to automatically address each modular 1/0 unit with a sub-network address on either the main bank or on the remote location. The I/0 modules each constructed to automatically select a choice of two power sources fed into each 1/0 unit.
According to an aspect of the present invention, there is provided a modular electrical bus assembly comprising;
a first module and a second module juxtaposed against each other;
said one module having one side with a unitary interlocking extension;
said second module having a juxtaposed side with a complementary interlocking cavity; and a bridge member placed and aligned directly in front of both said interlocking extension and interlocking cavity and secured thereto to connect adjacent first and second modules together.
According to another aspect of the present invention, there is provided a modular electrical bus system comprising:
a first module and second module being juxtaposed adjacent each other and each having a respective receptacle for interlocking with a protrusion from a bridge member;
said bridge member having an interlocking protrusion that is received within a complementary receptacle of adjacent modular I/0 units;
said bridge member placed directly in front of both said receptacles and secured thereto to connect adjacent first and second modules together;
said first and second modular units being a plurality of modular I/O
units each having a plurality of I/O fittings, said modular I/O units being both electrically and mechanically connectable together via a bridge member connecting adjacent I/0 units; and at least one of said modular I/O units also being mechanically separable from and maintaining communication connection remotely to the bus system.
According to a further aspect of the present invention, there is provided an electrical bus assembly comprising:
a main communication module:
a main bank of modular I/O units mounted to the side of the main communication module and adjacent each other;
each modular I/0 unit having an electrical fitting in proximity to each side thereof;
a bridge member spanning and connecting two adjacent modular 1/0 units;
said bridge member having complementary electrical fittings for engaging the electrical fittings of two adjacent I/O units;
a fastener for mounting said modular I/O units to a mounting base;
said bridge member also mechanically connecting said adjacent modular I/0 units together such that when said bridge members are disengaged from one modular I/0 unit, said one modular I/O unit can be removed from said mounting base and said bank of modular I/O units without removing said left and right adjacent modular I/O units; and each modular I/O unit enclosing electronic boards therein and being distributable to a remote location from said main bank -5a-and said main communication module and electrically connectable to the main bank and main communication module via a cable or wireless communication medium.
According to a further aspect of the present invention, there is provided an I/O module for an electrical bus system comprising:
a housing having a main front face and a first electrical connection proximate to one lateral side and a second electrical connection proximate another lateral side;
a plurality of I/O fittings on the main front face of said housing;
said one lateral side of said housing shaped to interlock with said another lateral side of an adjacent I/O module and to receive a bridge connector therebetween directly in front of said respective interlocking sides; and said another lateral side of said housing shaped to interlock with one lateral side of an adjacent I/O module and to receive a second bridge connector therebetween aligned directly in front of said respective interlocking side.
According to a further aspect of the present invention, there is provided a modular electrical bus assembly comprising:
a first module and a second module juxtaposed against each other and having opposing sides with complementarily shaped sections to interlock together along a horizontal plane; and a bridge member fastenable to both first and second module directly in front of said complementarily shaped sections to lock said modules together in a direction perpendicular to said plane.
According to a further aspect of the present invention, there is provided an electrical bus communication assembly comprising:
a main communication module;
a main bank of modular I/O units mounted to a first side of the main communication module and adjacent each other;
each modular 1/0 unit having an electrical fitting in proximity to each side thereof and being connected to a respective complementary electrical fitting of one of an adjacent I/O unit and main communication module;
-5b-=
each modular I/O unit being removable from and installable to said bank of modular I/O units without removing any other modular I/O unit and main communication module;
each modular I/O unit enclosing electronic boards therein and being distributable to a remote location from said main communication module and said main bank and remaining electrically connectable to the main bank and main communication module from said remote location via a cable or wireless communication medium; and said main communication module constructed to automatically address each modular I/O unit with a sub-network address on either the main bank or on the remote location.
According to a further aspect of the present invention, there is provided an electrical bus communication system comprising:
a main communication module constructed to be physically connected to an I/O unit;
at least one I/O unit constructed to be physically connected to said main communication module along a main bank that includes said main communication module;
said at least one I/O unit constructed to be distributable to a remote location from said main bank and remaining electrically connectable to said main communication module from said remote location via a cable or wireless communication medium; and said main communication module constructed to automatically address said at least one I/O unit with a sub-network address on either the main bank or on a remote location.
According to a further aspect of the present invention, there is provided an electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being constructed to automatically select a choice of two power sources fed into said module.
According to a further aspect of the present invention, there is provided an electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display -5c-thereon for displaying information relative thereto; and said module being a communication module constructed to be connected to a plurality of external output devices.
According to a further aspect of the present invention, there is provided an electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being an I/0 modular unit having externally available connectors for connecting to a plurality of input sensors and/or output devices.
According to a further aspect of the present invention, there is provided an electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto;
said module being an I/0 unit for a valve manifold;
said I/O unit having a first side with an interlocking extension of a first shape;
said I/0 unit having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to interlock with an interlocking extension having said first shape;
said interlocking extensions having front faces recessed with respect to a main face of said I/O unit;
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O unit;
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said respective I/O unit; and said I/O unit being constructed to automatically select a choice of two power sources fed into each I/O unit.
According to a further aspect of the present invention, there is provided an I/O unit in connection with a serial fieldbus system comprising:
a housing having a plurality of externally available connectors for connecting to a plurality of input sensors and/or output devices; and an electronic numeric or alpha-numeric display mounted on a face -5d-of the I/O unit for displaying information relative thereto.
According to a further aspect of the present invention, there is provided a main communication module in connection with an electrical serial fieldbus communication system, said main communication module comprising:
said main communication module constructed to be connectable to a plurality of external output devices; and an electronic numeric or alpha-numeric display on a face of the main communication module for displaying information relative thereto.
-5e-BRIEF DESCRIPTION OF TBE DRAWINGS
100131 Reference now is made to the accompanying drawings in which:
100141 Figure 1 is a perspective and partially schematic overview of one arrangement according to an embodiment of the invention;
100151 Figure 2 is a partially exploded view of the main bank of 1/0 modules and connector clips shown in Figure 1 shown with a fieldbus module and optional terminating plate and bus-out plate;
100161 Figure 3 is an exploded view of remote 1/0 station shown in Figure I;
100171 Figure 4 is an enlarged perspective view of one 1/0 module shown in Figure I;
100181 Figure 5 is a partially exploded top side elevational view of adjacent 1/0 modules and a connector clip;
100191 Figure 6 is an exploded view of the 1/0 housing shown in Figure 3;
[0020) Figure 7 is a rear perspective view of the 1/0 module shown in Figure 3;
100211 Figure 8 is an exploded view of the connector clip shown in Figure 2;
100221 Figure 9 is a schematic view of the grounding circuit formed by the trace shown in Figure 6 and the clip shown in Figure 8;
100231 Figure 10 is a perspective view of an second embodiment according to the invention;
100241 Figure 11 is a front plan view of one 1/0 module shown in Figure 10;
=
[00251 Figure 12 is a bottom perspective view of a connecting clip shown in Figure 10;
100261 Figure 13 is a top perspective view of a backing clip to be connected to the connection clip in Figure 10;
100271 Figure 14 is a front perspective view of another embodiment of an I/0 module according to the invention;
10028] Figure 15 is a bottom perspective view of a connecting clip to be used with the 1/0 shown in Figure 14;
100291 Figure 16 is a front perspective view of another embodiment showing adjacent I/0 modules; and (0030] Figure 17 is a bottom perspective view of the connector clip for the I/0 module shown in Figure 16.
[00251 Figure 12 is a bottom perspective view of a connecting clip shown in Figure 10;
100261 Figure 13 is a top perspective view of a backing clip to be connected to the connection clip in Figure 10;
100271 Figure 14 is a front perspective view of another embodiment of an I/0 module according to the invention;
10028] Figure 15 is a bottom perspective view of a connecting clip to be used with the 1/0 shown in Figure 14;
100291 Figure 16 is a front perspective view of another embodiment showing adjacent I/0 modules; and (0030] Figure 17 is a bottom perspective view of the connector clip for the I/0 module shown in Figure 16.
=
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
10031] Referring now to Figure 1, one arrangement of a modular fieldbus system 10 provides control for solenoid actuated valves 12 which controls directional flow in a valve manifold 14 in a main station 16. The main station has main communication module 30 with an alpha-numeric display 22 mounted thereon. The fieldbus system can also have a plurality of I/0 modules 18 connected together via bridge members, which are hereinafter referred to as clips 20 that bridge over and connect two adjacent modules 18 and physically and electrically connect together to the main communication module 30. The main communication module 30 connects to and controls the solenoid valves 12. For purposes of this invention, a module may be modular to be connected with other units or may be a stand alone unit.
10032j The I/0 modules 18 may be banked and mounted on a mounting surface 28 such as a machine wall or panel through an available DIN RAIL
system or directly fastened to the mounting surface 28. At one end of the main station 16 of the modules 18, main communication module 30 interfaces with a bank of solenoids 12 and a valve manifold 14. The main communication module 30 has a communication fitting 33 and power fitting 43 for main and auxiliary power supplies. The other end of the station 16 of I/0 modules has a bus-out mounting plate 32 or, as shown in Figure 2, terminating mounting plate 34. Both plates and 34 have apertures 37 suitable to receive a DIN compliant fastener for mounting to a DIN RAIL mounting system.
[00331 The system is modular such that an I/0 module 18 may be mounted at a remote station 35 as shown in Figure 1 remotely from the main station 16 of I/0 = = . .
modules 18. The remote 1/0 module 18 is identical in structure to the other modules 18 in the main station 16 and is electrically connected and in communication with the main communication module 30 via a bus cable 36 and optional power cable 38. The remote 1/0 module 18 has a bus-in mounting plate and a bus-out mounting plate 32 attached at opposite ends of the I/0 module 18, one to receive bus cables 36 and another to extend other bus cables 36 to another optional substation 40. Bus-in plate 31 also has apertures suitable to receive a DIN
RAIL compliant fastener. Each bus-in and bus-out plate 31 and 32 has two electrical fittings 45 and 47. The upper located fitting 45 is used for network power and communication through cables 36 and the lower fitting 47 is used for transfer of auxiliary power through cables 38 to the remotely mounted I/0 modules 18 as described later. Other remote module stations 35 with a desired number of 1/0 modules 18 may be serially attached in the same fashion.
(0034] Other substations 40 through the use of electrical bus cables 36 and 38 connect to fitting 45 and 47 and communication module 39 for controlling the bank of solenoids 12 and valve manifold 14 in substation 40. It is of course foreseen that wireless power and communication transmission may also replace bus cables 36 and 38.
[00351 The structure of each module 18 is more clearly shown in Figures 4 -9. Each I/O module 18 is self contained with a housing 19. A cover 96 of housing 19 mounts an alpha-numeric graphical display 22 on the front main face 24 thereof.
The front main face 24 also has a plurality of 1/0 connections or fittings 26.
Each I/0 fitting 26 may have a commercially acceptable five pin connection that can be used to power and communicate with a variety of sensors and devices (not shown).
= =
Other pin connections may also be acceptable. Each fitting 26 may be used either as an input or an output so that any individual module 18 may have all inputs, all outputs or a mixture of inputs and outputs with either digital or analog signals. The cover 96 has a window 108 for the display 22 that may have a protective transparent cover 109. Cover 96 also has apertures 110 for 1/0 fittings 26. Apertures 107 may receive operating buttons 130 for working the menus seen on the display 22. As shown in Figure 4, an overlay 113 seals window 108 and cover 109 in the main front face when the alpha-numeric graphical display is in position.
[0036] One side 41 of housing 19 has an interlocking extension 42 extending laterally. The interlocking extension 42 has a front face 44 recessed from main front face 24. The front face has electrical fittings 46 and a central threaded insert 48. The shown interlocking extension may be dovetail in shape with angled side walls 50 and a straight end wall 52 parallel to side 58. The extension 42 is centrally located between the upper end 54 and lower end 56 of housing 19.
[0037] The other side 58 of housing 19 has two complementary shaped interlocking extensions 60 near the upper end 54 and lower end 56. The extensions have outer side walls 62 that are flush with respective upper and lower ends 54 and 56 of housing 19. Inner angled walls 66 are spaced appropriately to form a dove tail shaped cavity 70 to fit extension 42 of an adjacent module 18. Each extension 60 has a front face 72 that is also recessed with respect to main front face 24 in the same fashion as extension 42. Each extension 60 has an electrical fitting 46 and a threaded insert 48. As shown in Figures 2, 3 and 5, adjacent modules 18 fit together by vertically dropping or sliding one module with respect to another to laterally lock the modules together via the interlocking extension 42 and extensions 60. In other words the two modules are locked together along the mounting surface plane 28 shown in Fig. 1. A gap 73 as most clearly seen in Figure 5 is then formed therebetween extending down to the vertically aligned front faces 44 and 72 of extensions 60 and extension 42. Each gap 73 receives clip 20 to complete the assembly and prevent the adjacent modules 18 from lifting with respect to each other by being fastened into threaded insert 48.
[0038] The interior of the module 18 housing is more clearly shown in Figure 6 where the housing 19 is opened up to view the interior thereof. The module18 has a front board 86 that mounts the alpha-numeric graphical display and I/0 fittings 26. The display 22 and fitting 26 may be structurally connected in other fashions. A rear board 88 is affixed to and spaced from the front board 86.
The boards 86 and 88 are connected to the cover 96 of housing 19 via long fasteners 90 and guide tubes 92 that enter through holes or slots 97 in backboard 88 and extend to front board 86. The long fasteners 90 engage threaded receptacles 94 in the inside of cover 96 of housing 19. The first board 88 is sandwiched between the housing cover 96 and guide tube 92 to be secured. The rear board 88 also mounts the electrical fittings 46 through an appropriate solder connection. Traces (not shown) on board 88 connect the fittings 46 on one side 41 to respective fittings 46 on the other side 58 of housing 19 to transfer power and conummication therebetween. The 1/0 fittings 26 are also electrically connected to board 88 via board 86 to be in communication with both display 22 and fitting 46 where information can then be transferred to main communication module 30.
[0039] Referring now to Fig. 9, groUnd trace 100, for example a ground plane, also extends across the rear board 88 from apertures 102 to aperture 104.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
10031] Referring now to Figure 1, one arrangement of a modular fieldbus system 10 provides control for solenoid actuated valves 12 which controls directional flow in a valve manifold 14 in a main station 16. The main station has main communication module 30 with an alpha-numeric display 22 mounted thereon. The fieldbus system can also have a plurality of I/0 modules 18 connected together via bridge members, which are hereinafter referred to as clips 20 that bridge over and connect two adjacent modules 18 and physically and electrically connect together to the main communication module 30. The main communication module 30 connects to and controls the solenoid valves 12. For purposes of this invention, a module may be modular to be connected with other units or may be a stand alone unit.
10032j The I/0 modules 18 may be banked and mounted on a mounting surface 28 such as a machine wall or panel through an available DIN RAIL
system or directly fastened to the mounting surface 28. At one end of the main station 16 of the modules 18, main communication module 30 interfaces with a bank of solenoids 12 and a valve manifold 14. The main communication module 30 has a communication fitting 33 and power fitting 43 for main and auxiliary power supplies. The other end of the station 16 of I/0 modules has a bus-out mounting plate 32 or, as shown in Figure 2, terminating mounting plate 34. Both plates and 34 have apertures 37 suitable to receive a DIN compliant fastener for mounting to a DIN RAIL mounting system.
[00331 The system is modular such that an I/0 module 18 may be mounted at a remote station 35 as shown in Figure 1 remotely from the main station 16 of I/0 = = . .
modules 18. The remote 1/0 module 18 is identical in structure to the other modules 18 in the main station 16 and is electrically connected and in communication with the main communication module 30 via a bus cable 36 and optional power cable 38. The remote 1/0 module 18 has a bus-in mounting plate and a bus-out mounting plate 32 attached at opposite ends of the I/0 module 18, one to receive bus cables 36 and another to extend other bus cables 36 to another optional substation 40. Bus-in plate 31 also has apertures suitable to receive a DIN
RAIL compliant fastener. Each bus-in and bus-out plate 31 and 32 has two electrical fittings 45 and 47. The upper located fitting 45 is used for network power and communication through cables 36 and the lower fitting 47 is used for transfer of auxiliary power through cables 38 to the remotely mounted I/0 modules 18 as described later. Other remote module stations 35 with a desired number of 1/0 modules 18 may be serially attached in the same fashion.
(0034] Other substations 40 through the use of electrical bus cables 36 and 38 connect to fitting 45 and 47 and communication module 39 for controlling the bank of solenoids 12 and valve manifold 14 in substation 40. It is of course foreseen that wireless power and communication transmission may also replace bus cables 36 and 38.
[00351 The structure of each module 18 is more clearly shown in Figures 4 -9. Each I/O module 18 is self contained with a housing 19. A cover 96 of housing 19 mounts an alpha-numeric graphical display 22 on the front main face 24 thereof.
The front main face 24 also has a plurality of 1/0 connections or fittings 26.
Each I/0 fitting 26 may have a commercially acceptable five pin connection that can be used to power and communicate with a variety of sensors and devices (not shown).
= =
Other pin connections may also be acceptable. Each fitting 26 may be used either as an input or an output so that any individual module 18 may have all inputs, all outputs or a mixture of inputs and outputs with either digital or analog signals. The cover 96 has a window 108 for the display 22 that may have a protective transparent cover 109. Cover 96 also has apertures 110 for 1/0 fittings 26. Apertures 107 may receive operating buttons 130 for working the menus seen on the display 22. As shown in Figure 4, an overlay 113 seals window 108 and cover 109 in the main front face when the alpha-numeric graphical display is in position.
[0036] One side 41 of housing 19 has an interlocking extension 42 extending laterally. The interlocking extension 42 has a front face 44 recessed from main front face 24. The front face has electrical fittings 46 and a central threaded insert 48. The shown interlocking extension may be dovetail in shape with angled side walls 50 and a straight end wall 52 parallel to side 58. The extension 42 is centrally located between the upper end 54 and lower end 56 of housing 19.
[0037] The other side 58 of housing 19 has two complementary shaped interlocking extensions 60 near the upper end 54 and lower end 56. The extensions have outer side walls 62 that are flush with respective upper and lower ends 54 and 56 of housing 19. Inner angled walls 66 are spaced appropriately to form a dove tail shaped cavity 70 to fit extension 42 of an adjacent module 18. Each extension 60 has a front face 72 that is also recessed with respect to main front face 24 in the same fashion as extension 42. Each extension 60 has an electrical fitting 46 and a threaded insert 48. As shown in Figures 2, 3 and 5, adjacent modules 18 fit together by vertically dropping or sliding one module with respect to another to laterally lock the modules together via the interlocking extension 42 and extensions 60. In other words the two modules are locked together along the mounting surface plane 28 shown in Fig. 1. A gap 73 as most clearly seen in Figure 5 is then formed therebetween extending down to the vertically aligned front faces 44 and 72 of extensions 60 and extension 42. Each gap 73 receives clip 20 to complete the assembly and prevent the adjacent modules 18 from lifting with respect to each other by being fastened into threaded insert 48.
[0038] The interior of the module 18 housing is more clearly shown in Figure 6 where the housing 19 is opened up to view the interior thereof. The module18 has a front board 86 that mounts the alpha-numeric graphical display and I/0 fittings 26. The display 22 and fitting 26 may be structurally connected in other fashions. A rear board 88 is affixed to and spaced from the front board 86.
The boards 86 and 88 are connected to the cover 96 of housing 19 via long fasteners 90 and guide tubes 92 that enter through holes or slots 97 in backboard 88 and extend to front board 86. The long fasteners 90 engage threaded receptacles 94 in the inside of cover 96 of housing 19. The first board 88 is sandwiched between the housing cover 96 and guide tube 92 to be secured. The rear board 88 also mounts the electrical fittings 46 through an appropriate solder connection. Traces (not shown) on board 88 connect the fittings 46 on one side 41 to respective fittings 46 on the other side 58 of housing 19 to transfer power and conummication therebetween. The 1/0 fittings 26 are also electrically connected to board 88 via board 86 to be in communication with both display 22 and fitting 46 where information can then be transferred to main communication module 30.
[0039] Referring now to Fig. 9, groUnd trace 100, for example a ground plane, also extends across the rear board 88 from apertures 102 to aperture 104.
The ground trace 100 is in electrical communication with conductive threaded fasteners 106 as they extend through apertures 102 and 104. The fasteners 106 engage the underside of threaded inserts 48 from the interior of cover 96 to mount rear board 88. The threaded inserts 48 are made from an electrically conductive material such as brass or other metal and is molded or affixed into the cover 96 of housing 19. Each insert 48 has two blind holes 99 so that even when fasteners are not engaged thereto, the insert does not allow access from the ambient exterior to the interior of housing 19.
10040] Once the board 86 is affixed to cover 96 through long fasteners 90, the boards 86 and 88 are closed within housing 19 by placement of a backing member 112 of housing 19. The backing member 112 may be secured to cover 96 to enclose the components within the housing 19 as shown in Figure 7. The housing cover 96 has an aperture 116 that passes therethrough that can be used to directly mount the 1/0 module 18 to the mounting surface 28.
10041] As shown in Figure 8, because the panel 76 has electrically connected fittings 78 which electrically connect to fittings 46 of one module 18 in Fig. 2 and at one side 41 to respective fittings 46 on the other side 58 of another module 18. As such, two continuous electrical circuits are made throughout the entire bank of modules 18. The upper fittings 46 are primarily used to transfer network power and communications to the I/0 data circuits for fittings 26 and to fitting 45 in bus-out mounting plate 32. The lower fittings 46 are used to transfer auxiliary power to the 1/0 module 18 and lower fitting 47 of the bus-out mounting plate 32 and to each I/0 module fitting 26. An additional auxiliary power supply may be attached to any of the lower fittings 47 of the bus-in or bus-out plates 31 = . .
and 32 to provide for example up to 4 amps at 24 volts. Electrical bus cables and 38 can provide communication and auxiliary power to the remote stations 35 and 40 which also transfer power throughout in the same fashion as the main station 16.
[0042) Clip 20 as shown more clearly in Figure 2, 5, and 8 has an elongated body 74 housing a pair of electrical circuit boards 76 each with two male fittings 78 that have a protective shroud 80 thereabout. The protective shroud 80 may be held in place to the body via fasteners 82 engaging through the aperture 84 in shroud 80 to engage the body 74. The fittings 78 and shroud 80 each fit and connect to the fittings 46 in the extensions 42 and 60.
[0043] The clip 20 also has a molded-in conductive strap 118 that has three annular contact shoulders 120 that are exposed in counter bores 122 about apertures 124. Conductive threaded fasteners 126 extend through the apertures 124, engage the contact shoulders 122 and threaded insert 48 in the extensions 42 and 60 in adjacent modules 18. The fasteners 126 both mechanically affix two adjacent modules together as well as provide a continuous grounding circuit between two adjacent modules 18.
[0044) The completion of the grounding circuit is described by a referring to Figures 1 and 9. The bus-in and bus-out mounting plates 31 and 32 also have similar grounding straps 118 molded directly therein. End terminating mounting plate 34 may also have a similar grounding strap 118 therein. Fasteners 126 engage the grounding strap 118 as it fastens the mounting plates 31, 32 or 34 to module 18.
A ground wire 128 is now placed under any one of the fasteners 126 mounting the modules 18, and mounting plates 31, 32 or 34. The wire 128 is connected to the metal frame of the equipment for example mounting surface 28.
(0045j The grounding circuit through the modules 18 and clips 20 is shown schematically in Figure 9. The fastener 106 passing through aperture 104 engages threaded insert 48 in extension 42 and is in contact with trace 100 of first module 18. A fastener 126 then engages the top of threaded insert 48 in extension 42 which engages the center annular contact shoulder 12.0 of clip 20. Fasteners 106 and and threaded inserts 48 are all made from a metal or other electrically conductive material. The conductive strap 118 with its center annular contact shoulder extends to the two outer contact shoulders 120. The outer contact shoulders are engaged by conductive fasteners 126 which engage conductive threaded inserts in housing cover 96 at extensions 60. The threaded inserts 48 also engage conductive fasteners 106 which pass through board 88 at apertures 102 and are in electrical contact with the ground trace 100 on rear board 88. The trace 100 extends across board 88 to aperture 104 which then similarly is in electrical contact with a conductive fastener 106 passing through aperture 104. The ground circuit then repeats through the adjacent clip 20 and an adjacent module 18.
(00461 The clip 20 thus grounds the modules 18 together. The clip 20 also = electrically connects modules 18 together with a power source and auxiliary power connector 43 through fittings 78 that connect to fittings 46 and also mechanically affixes modules 18 together. The interlocking extensions 42, 60 and cavity 70 of two adjacent modules 18 expedites mounting one module 18 to another by temporarily holding the modules 18 in place against mounting surface 28 while they become affixed by clip 20.
100471 Furthermore, this construction provides for an intermediately . . . .
positioned 1/0 module to be removed by lifting away from mounting surface 28.
By removing adjacent clips 20, the extensions 42 60 and cavity 70 are exposed and a module 18 can be lifted out. A replacement 1/0 module 18 can be positioned in the space provided without moving the other 1/0 modules18. Optionally, the other 1/0 modules can be moved together and joined together through the interlocking connection eliminating the space left by the removed 1/0 module. Furthermore, if an additional 1/0 module 18 is needed, the plates 31, 32 or 34 can be temporarily removed, to form a space where an additional module 18 can then be introduced and the plates 31, 32 and 34 can be re-connected to complete the mechanical, electrical and ground connection. Furthermore in similar fashion an additional module 18 can be introduced between two other modules 18.
(00481 The mounting plates 32 and 34 can be used on either the main station 16 or the remote distribution stations 35 and 40. Bus-in plates 31 can be used for the remote stations 35. The modular properties of the 1/0 modules 18 and the components 31, 32 and 34 provide for a wide range of distribution and optional constructions.
(0049] An alternate construction for providing a modular 1/0 for a fieldbus valve manifold is shown in Figures 10-13. In Figures 10 -13, a module 218 has a housing 219 with a main front face 224 that have 1/0 fittings 226. The housing has upper and lower shoulders 242 that have front faces 244 recessed with respect to main front face 224. Each shoulder 242 had two electrical connectors 246 and a dovetail shaped cavity 270. Clips 220 each have complementary electrical fittings 278 as shown in Figure 12 that can connect to connectors 246 to electrically connect adjacent modules 218 together. The clip 220 also has a male dove tail . .
= . .
projection 242 that fits within each cavity 270 and mechanically locks the adjacent modules 218 together. The clip also has an aperture 215 that allows a threaded fastener 236 to extend therethrough and engage and backing clip 225 that also has a tapered dovetail projection 245 as shown in Figure 13.
100501 Each module similarly has an alpha-numeric display 222 which indicates the status or other parameters of each signal connected to fitting 226.
Label holders 221 may also be built into each housing 219.
Another embodiment is shown in Figures 14-15 where a module 318 has a pair of dove tail shaped cavities 370 positioned at a side recessed shoulder 360 that extend between the lower and upper shoulders 343. An 1-shaped clip 320 extends over both lower and upper shoulders 343 to connect the electrical connectors 346 of adjacent modules together through connectors 378 and has a pair of double dovetail projections 342 to engage the cavities 370 to mechanically lock adjacent modules 318 together. The alpha-numeric display 322 may be vertically positioned down the length of the module 318.
10052]
Figures 16 and 17 disclose another embodiment where the module 418 has electrical fittings 446 on both side shoulders 460 and a single dovetail cavity 470 are aligned. The dove tails of adjacent modules 418 are face to face and engage a dovetail projection 442 of clip 420 which also has two pair of complementary electrical fittings 478. The module 418 has an alpha-numeric display 422.
100531 The electronics of the modular bus I/O system has an alpha-numeric graphical display 22, 222, 322 and 422 or LED, LCD type display that can display the status and other parameters of the 110 modules and the main communication . .
module and other verbiage such as errors or addresses of the modules. The display may be a commercially available pixel display product. It is also foreseen that other LED, LCD or other visual display panels may be suitable. The display 22 has two operating push buttons 130 which may scroll through menus as prepared for the particular modular banks and I/0 modules. The display 22 is capable of scrolling longer messages as needed.
[0054] The display 22 can be used to display the status of the I/0 that is connected. For example a positioned square is lit with the number of the I/0 being formed by blackout so the number is viewed in a negative formation within a lighted square.
100551 Proper manipulation of the operating push buttons 130 can scroll through menus to display and adjust certain properties many of which were previously only viewable through external devices. For example, the following node properties may be viewed: network node address, Baud rate, I/0 sizes diagnostic information and firmware revision levels. It may also be used to display and allow the user to adjust network address, the Baud rate, the parameters for I/0 sizes, and self test mode.
(0056) The valve manifold sub-node properties may be viewed for example, I/0 range, communication errors, short circuit errors, aux power status, firmware revisions and may also be used to display and adjust the individual module self test. The I/0 module menu may display for example, the I/0 range, type analog digital, input, output, input/output, NPN or PNP, communication errors, short circuit errors, aux power status, analog signals, firmware revisions, and may used to display and allow the user to adjust the individual module self test mode =
and debouncing delay settings.
[0057] The main network attached to the fieldbus system has a host controller that allows each attached module to be addressed. Rather than manually setting dip switches, there can be an auto address scheme where each module is sequentially addressed so the main communication module knows where the signal of the particular 1/0 fitting 26 resides.
100581 An optional memory board may be incorporated into the main communication module or as an additional module which can save the initial parameters. The parameters can then be changed at an I/0 module and downloaded back to the memory module. A manual configuration board can be substituted for the memory board. In this structure configuration, one can replace the main communication node without reconfiguration of the new unit.
[0059] Each 1/0 module may have an internal sensing circuit that automatically recognizes when the network power falls below a usable level and will automatically switch to the auxiliary power source provided by the lower fitting 43 in the main communication module 30 from the sub-network power also provided through the lower fitting 43 in the main communication module 30. If one power system falters or stops, there may be an automatic switch to change over to the other power source. Auxiliary power may also be provided to a lower fitting 47 in the bus-in plate 31.
10060) In this fashion a flexible distribution bus system can be made from housing components made from plastic or other types of desirable materials that are non-conductive by incorporating a separate grounding system built therein. The ground system no longer relies on the conductivity and abutment of metallic housings of the modules. The individual I/0 modules are self contained and protectively enclose the electronic boards. The modularity and self containment of the modules allows them to be removed and remotely mounted by themselves as remote substations either individually or with other connected modules and valves.
100611 The removal and replacement of the modules are expeditiously accomplished through its unique connecting structure. The clip easily connects the modules together and the modules are constructed to provide transitional integrity of assembly while the clip is being connected to adjacent modules.
Furthermore, the modules by being self contained units can be remotely positioned without the need of specialized end plates.
100621 The display 22, 222, 322, 422 can allow the user to see important properties by scrolling through a menu as needed and even remotely adjust certain properties. The modules automatic addressing system and automatic power selection provides for a more trouble free and updated fieldbus system that is particularly useful for solenoid actuated manifold valve and 110 systems.
Modules as used in this application may cover a stand alone unit which houses a display.
100631 Other variations and modifications are possible without departing from the scope and spirit of the present invention as defined by the appended claims.
10040] Once the board 86 is affixed to cover 96 through long fasteners 90, the boards 86 and 88 are closed within housing 19 by placement of a backing member 112 of housing 19. The backing member 112 may be secured to cover 96 to enclose the components within the housing 19 as shown in Figure 7. The housing cover 96 has an aperture 116 that passes therethrough that can be used to directly mount the 1/0 module 18 to the mounting surface 28.
10041] As shown in Figure 8, because the panel 76 has electrically connected fittings 78 which electrically connect to fittings 46 of one module 18 in Fig. 2 and at one side 41 to respective fittings 46 on the other side 58 of another module 18. As such, two continuous electrical circuits are made throughout the entire bank of modules 18. The upper fittings 46 are primarily used to transfer network power and communications to the I/0 data circuits for fittings 26 and to fitting 45 in bus-out mounting plate 32. The lower fittings 46 are used to transfer auxiliary power to the 1/0 module 18 and lower fitting 47 of the bus-out mounting plate 32 and to each I/0 module fitting 26. An additional auxiliary power supply may be attached to any of the lower fittings 47 of the bus-in or bus-out plates 31 = . .
and 32 to provide for example up to 4 amps at 24 volts. Electrical bus cables and 38 can provide communication and auxiliary power to the remote stations 35 and 40 which also transfer power throughout in the same fashion as the main station 16.
[0042) Clip 20 as shown more clearly in Figure 2, 5, and 8 has an elongated body 74 housing a pair of electrical circuit boards 76 each with two male fittings 78 that have a protective shroud 80 thereabout. The protective shroud 80 may be held in place to the body via fasteners 82 engaging through the aperture 84 in shroud 80 to engage the body 74. The fittings 78 and shroud 80 each fit and connect to the fittings 46 in the extensions 42 and 60.
[0043] The clip 20 also has a molded-in conductive strap 118 that has three annular contact shoulders 120 that are exposed in counter bores 122 about apertures 124. Conductive threaded fasteners 126 extend through the apertures 124, engage the contact shoulders 122 and threaded insert 48 in the extensions 42 and 60 in adjacent modules 18. The fasteners 126 both mechanically affix two adjacent modules together as well as provide a continuous grounding circuit between two adjacent modules 18.
[0044) The completion of the grounding circuit is described by a referring to Figures 1 and 9. The bus-in and bus-out mounting plates 31 and 32 also have similar grounding straps 118 molded directly therein. End terminating mounting plate 34 may also have a similar grounding strap 118 therein. Fasteners 126 engage the grounding strap 118 as it fastens the mounting plates 31, 32 or 34 to module 18.
A ground wire 128 is now placed under any one of the fasteners 126 mounting the modules 18, and mounting plates 31, 32 or 34. The wire 128 is connected to the metal frame of the equipment for example mounting surface 28.
(0045j The grounding circuit through the modules 18 and clips 20 is shown schematically in Figure 9. The fastener 106 passing through aperture 104 engages threaded insert 48 in extension 42 and is in contact with trace 100 of first module 18. A fastener 126 then engages the top of threaded insert 48 in extension 42 which engages the center annular contact shoulder 12.0 of clip 20. Fasteners 106 and and threaded inserts 48 are all made from a metal or other electrically conductive material. The conductive strap 118 with its center annular contact shoulder extends to the two outer contact shoulders 120. The outer contact shoulders are engaged by conductive fasteners 126 which engage conductive threaded inserts in housing cover 96 at extensions 60. The threaded inserts 48 also engage conductive fasteners 106 which pass through board 88 at apertures 102 and are in electrical contact with the ground trace 100 on rear board 88. The trace 100 extends across board 88 to aperture 104 which then similarly is in electrical contact with a conductive fastener 106 passing through aperture 104. The ground circuit then repeats through the adjacent clip 20 and an adjacent module 18.
(00461 The clip 20 thus grounds the modules 18 together. The clip 20 also = electrically connects modules 18 together with a power source and auxiliary power connector 43 through fittings 78 that connect to fittings 46 and also mechanically affixes modules 18 together. The interlocking extensions 42, 60 and cavity 70 of two adjacent modules 18 expedites mounting one module 18 to another by temporarily holding the modules 18 in place against mounting surface 28 while they become affixed by clip 20.
100471 Furthermore, this construction provides for an intermediately . . . .
positioned 1/0 module to be removed by lifting away from mounting surface 28.
By removing adjacent clips 20, the extensions 42 60 and cavity 70 are exposed and a module 18 can be lifted out. A replacement 1/0 module 18 can be positioned in the space provided without moving the other 1/0 modules18. Optionally, the other 1/0 modules can be moved together and joined together through the interlocking connection eliminating the space left by the removed 1/0 module. Furthermore, if an additional 1/0 module 18 is needed, the plates 31, 32 or 34 can be temporarily removed, to form a space where an additional module 18 can then be introduced and the plates 31, 32 and 34 can be re-connected to complete the mechanical, electrical and ground connection. Furthermore in similar fashion an additional module 18 can be introduced between two other modules 18.
(00481 The mounting plates 32 and 34 can be used on either the main station 16 or the remote distribution stations 35 and 40. Bus-in plates 31 can be used for the remote stations 35. The modular properties of the 1/0 modules 18 and the components 31, 32 and 34 provide for a wide range of distribution and optional constructions.
(0049] An alternate construction for providing a modular 1/0 for a fieldbus valve manifold is shown in Figures 10-13. In Figures 10 -13, a module 218 has a housing 219 with a main front face 224 that have 1/0 fittings 226. The housing has upper and lower shoulders 242 that have front faces 244 recessed with respect to main front face 224. Each shoulder 242 had two electrical connectors 246 and a dovetail shaped cavity 270. Clips 220 each have complementary electrical fittings 278 as shown in Figure 12 that can connect to connectors 246 to electrically connect adjacent modules 218 together. The clip 220 also has a male dove tail . .
= . .
projection 242 that fits within each cavity 270 and mechanically locks the adjacent modules 218 together. The clip also has an aperture 215 that allows a threaded fastener 236 to extend therethrough and engage and backing clip 225 that also has a tapered dovetail projection 245 as shown in Figure 13.
100501 Each module similarly has an alpha-numeric display 222 which indicates the status or other parameters of each signal connected to fitting 226.
Label holders 221 may also be built into each housing 219.
Another embodiment is shown in Figures 14-15 where a module 318 has a pair of dove tail shaped cavities 370 positioned at a side recessed shoulder 360 that extend between the lower and upper shoulders 343. An 1-shaped clip 320 extends over both lower and upper shoulders 343 to connect the electrical connectors 346 of adjacent modules together through connectors 378 and has a pair of double dovetail projections 342 to engage the cavities 370 to mechanically lock adjacent modules 318 together. The alpha-numeric display 322 may be vertically positioned down the length of the module 318.
10052]
Figures 16 and 17 disclose another embodiment where the module 418 has electrical fittings 446 on both side shoulders 460 and a single dovetail cavity 470 are aligned. The dove tails of adjacent modules 418 are face to face and engage a dovetail projection 442 of clip 420 which also has two pair of complementary electrical fittings 478. The module 418 has an alpha-numeric display 422.
100531 The electronics of the modular bus I/O system has an alpha-numeric graphical display 22, 222, 322 and 422 or LED, LCD type display that can display the status and other parameters of the 110 modules and the main communication . .
module and other verbiage such as errors or addresses of the modules. The display may be a commercially available pixel display product. It is also foreseen that other LED, LCD or other visual display panels may be suitable. The display 22 has two operating push buttons 130 which may scroll through menus as prepared for the particular modular banks and I/0 modules. The display 22 is capable of scrolling longer messages as needed.
[0054] The display 22 can be used to display the status of the I/0 that is connected. For example a positioned square is lit with the number of the I/0 being formed by blackout so the number is viewed in a negative formation within a lighted square.
100551 Proper manipulation of the operating push buttons 130 can scroll through menus to display and adjust certain properties many of which were previously only viewable through external devices. For example, the following node properties may be viewed: network node address, Baud rate, I/0 sizes diagnostic information and firmware revision levels. It may also be used to display and allow the user to adjust network address, the Baud rate, the parameters for I/0 sizes, and self test mode.
(0056) The valve manifold sub-node properties may be viewed for example, I/0 range, communication errors, short circuit errors, aux power status, firmware revisions and may also be used to display and adjust the individual module self test. The I/0 module menu may display for example, the I/0 range, type analog digital, input, output, input/output, NPN or PNP, communication errors, short circuit errors, aux power status, analog signals, firmware revisions, and may used to display and allow the user to adjust the individual module self test mode =
and debouncing delay settings.
[0057] The main network attached to the fieldbus system has a host controller that allows each attached module to be addressed. Rather than manually setting dip switches, there can be an auto address scheme where each module is sequentially addressed so the main communication module knows where the signal of the particular 1/0 fitting 26 resides.
100581 An optional memory board may be incorporated into the main communication module or as an additional module which can save the initial parameters. The parameters can then be changed at an I/0 module and downloaded back to the memory module. A manual configuration board can be substituted for the memory board. In this structure configuration, one can replace the main communication node without reconfiguration of the new unit.
[0059] Each 1/0 module may have an internal sensing circuit that automatically recognizes when the network power falls below a usable level and will automatically switch to the auxiliary power source provided by the lower fitting 43 in the main communication module 30 from the sub-network power also provided through the lower fitting 43 in the main communication module 30. If one power system falters or stops, there may be an automatic switch to change over to the other power source. Auxiliary power may also be provided to a lower fitting 47 in the bus-in plate 31.
10060) In this fashion a flexible distribution bus system can be made from housing components made from plastic or other types of desirable materials that are non-conductive by incorporating a separate grounding system built therein. The ground system no longer relies on the conductivity and abutment of metallic housings of the modules. The individual I/0 modules are self contained and protectively enclose the electronic boards. The modularity and self containment of the modules allows them to be removed and remotely mounted by themselves as remote substations either individually or with other connected modules and valves.
100611 The removal and replacement of the modules are expeditiously accomplished through its unique connecting structure. The clip easily connects the modules together and the modules are constructed to provide transitional integrity of assembly while the clip is being connected to adjacent modules.
Furthermore, the modules by being self contained units can be remotely positioned without the need of specialized end plates.
100621 The display 22, 222, 322, 422 can allow the user to see important properties by scrolling through a menu as needed and even remotely adjust certain properties. The modules automatic addressing system and automatic power selection provides for a more trouble free and updated fieldbus system that is particularly useful for solenoid actuated manifold valve and 110 systems.
Modules as used in this application may cover a stand alone unit which houses a display.
100631 Other variations and modifications are possible without departing from the scope and spirit of the present invention as defined by the appended claims.
.
Claims (42)
1. An electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being constructed to automatically select a choice of two power sources fed into said module.
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being constructed to automatically select a choice of two power sources fed into said module.
2. An electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being a communication module constructed to be connected to a plurality of external output devices.
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being a communication module constructed to be connected to a plurality of external output devices.
3. An electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being an I/O modular unit having externally available connectors for connecting to a plurality of input sensors and/or output devices.
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto; and said module being an I/O modular unit having externally available connectors for connecting to a plurality of input sensors and/or output devices.
4. An electrical serial fieldbus communication system as defined in claim 3 further comprising:
said I/O unit having a first side with an interlocking extension of a first shape; and said I/O unit having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to interlock with an interlocking extension having said first shape.
said I/O unit having a first side with an interlocking extension of a first shape; and said I/O unit having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to interlock with an interlocking extension having said first shape.
5. An electrical serial fieldbus communication system as defined in claim 4 further comprising:
said electronic numeric or alpha-numeric display mounted on a main front face of said I/O unit; and said interlocking extensions having front faces recessed with respect to a main face of said I/O unit.
said electronic numeric or alpha-numeric display mounted on a main front face of said I/O unit; and said interlocking extensions having front faces recessed with respect to a main face of said I/O unit.
6. An electrical serial fieldbus communication system as defined in claim 5 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
7. An electrical serial fieldbus communication system as defined in claim 6 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said respective I/O unit.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said respective I/O unit.
8. An electrical serial fieldbus communication system comprising:
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto;
said module being an I/O unit for a valve manifold;
said I/O unit having a first side with an interlocking extension of a first shape;
said I/O unit having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to interlock with an interlocking extension having said first shape;
said interlocking extensions having front faces recessed with respect to a main face of said I/O unit;
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit;
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said respective I/O unit; and said I/O unit being constructed to automatically select a choice of two power sources fed into each I/O unit.
a module having an electronic numeric or alpha-numeric display thereon for displaying information relative thereto;
said module being an I/O unit for a valve manifold;
said I/O unit having a first side with an interlocking extension of a first shape;
said I/O unit having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to interlock with an interlocking extension having said first shape;
said interlocking extensions having front faces recessed with respect to a main face of said I/O unit;
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit;
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said respective I/O unit; and said I/O unit being constructed to automatically select a choice of two power sources fed into each I/O unit.
9. An electrical serial fieldbus communication system as defined in claim 1 further comprising:
said module having a first side with an interlocking extension of a first shape; and said module having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to interlock with an interlocking extension having said first shape.
said module having a first side with an interlocking extension of a first shape; and said module having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to interlock with an interlocking extension having said first shape.
10. An electrical serial fieldbus communication system as defined in claim 9 further comprising:
said electronic numeric or alpha-numeric display mounted on a main front face of said module; and said interlocking extensions having front faces recessed with respect to a main face of said module.
said electronic numeric or alpha-numeric display mounted on a main front face of said module; and said interlocking extensions having front faces recessed with respect to a main face of said module.
11. An electrical serial fieldbus communication system as defined in claim 10 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said module.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said module.
12. An electrical serial fieldbus communication system as defined in claim 11 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said module.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said module.
13. An electrical serial fieldbus communication system as defined in claim 3 further comprising:
said I/O unit having a main front face on which the electronic numeric or alpha-numeric display is mounted;
said I/O unit having two opposite sides with an interlocking extension protruding from said sides; and said interlocking extensions having respective front faces recessed with respect to said main front face.
said I/O unit having a main front face on which the electronic numeric or alpha-numeric display is mounted;
said I/O unit having two opposite sides with an interlocking extension protruding from said sides; and said interlocking extensions having respective front faces recessed with respect to said main front face.
14. An electrical serial fieldbus communication system as defined in claim 13 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
15. An electrical serial fieldbus communication system as defined in claim 14 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
16. An electrical serial fieldbus communication system as defined in claim 1 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said module.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said module.
17. An electrical serial fieldbus communication system as defined in claim 16 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said module.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said module.
18. An electrical serial fieldbus communication system as defined in claim 1 further comprising:
said module having a main front face on which the electronic numeric or alpha-numeric display is mounted;
said module having two opposite sides with interlocking extension protruding therefrom; and said interlocking extensions having respective front faces recessed with respect to said main front face.
said module having a main front face on which the electronic numeric or alpha-numeric display is mounted;
said module having two opposite sides with interlocking extension protruding therefrom; and said interlocking extensions having respective front faces recessed with respect to said main front face.
19. An electrical serial fieldbus communication system as defined in claim 18 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said module.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said module.
20. An electrical serial fieldbus communication system as defined in claim 19 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said module.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said module.
21. An electrical serial fieldbus communication system as defined in claim 1 further comprising:
said module being an I/O unit.
said module being an I/O unit.
22. An I/O unit in connection with a serial fieldbus system comprising:
a housing having a plurality of externally available connectors for connecting to a plurality of input sensors and/or output devices; and an electronic numeric or alpha-numeric display mounted on a face of the I/O
unit for displaying information relative thereto.
a housing having a plurality of externally available connectors for connecting to a plurality of input sensors and/or output devices; and an electronic numeric or alpha-numeric display mounted on a face of the I/O
unit for displaying information relative thereto.
23. An I/O unit as defined in claim 22 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
24 24. An I/O unit as defined in claim 23 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
25. An I/O unit as defined in claim 24 further comprising:
said operable buttons being positioned laterally at each side of said electronic numeric or alpha-numeric display; and said electronic numeric or alpha-numeric display extending laterally across a front face of said I/O unit near an upper end of said I/O unit.
said operable buttons being positioned laterally at each side of said electronic numeric or alpha-numeric display; and said electronic numeric or alpha-numeric display extending laterally across a front face of said I/O unit near an upper end of said I/O unit.
26. An I/O unit as defined in claim 22 further comprising:
said I/O unit having a first side with an interlocking extension of a first shape; and said I/O unit having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to receive an interlocking extension having said first shape.
said I/O unit having a first side with an interlocking extension of a first shape; and said I/O unit having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to receive an interlocking extension having said first shape.
27. An I/O unit as defined in claim 26 further comprising:
said electronic numeric or alpha-numeric display mounted on a main front face of said I/O unit; and said interlocking extensions having front faces recessed with respect to a main face of said I/O unit.
said electronic numeric or alpha-numeric display mounted on a main front face of said I/O unit; and said interlocking extensions having front faces recessed with respect to a main face of said I/O unit.
28. An I/O unit as defined in claim 27 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
29. An I/O unit as defined in claim 28 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said I/O
unit.
30. An I/O unit as defined in claim 29 further comprising:
said operable buttons being positioned laterally at each side of said electronic numeric or alpha-numeric display.
said operable buttons being positioned laterally at each side of said electronic numeric or alpha-numeric display.
31. A main communication module in connection with an electrical serial fieldbus communication system, said main communication module comprising:
said main communication module constructed to be connectable to a plurality of external output devices; and an electronic numeric or alpha-numeric display on a face of the main communication module for displaying information relative thereto.
said main communication module constructed to be connectable to a plurality of external output devices; and an electronic numeric or alpha-numeric display on a face of the main communication module for displaying information relative thereto.
32. A main communication module as defined in claim 31 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said main communication module.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said main communication module.
33. A main communication module as defined in claim 32 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said main communication module.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said main communication module.
34. A main communication module as defined in claim 33 further comprising:
said operable buttons being positioned laterally at each side of said electronic numeric or alpha-numeric display; and said electronic numeric or alpha-numeric display extending laterally across a front face of said main communication module near an upper end of said main communication module.
said operable buttons being positioned laterally at each side of said electronic numeric or alpha-numeric display; and said electronic numeric or alpha-numeric display extending laterally across a front face of said main communication module near an upper end of said main communication module.
35. A main communication module as defined in claim 30 further comprising:
said main communication module having a first side with an interlocking extension of a first shape; and said main communication module having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to receive an interlocking extension having said first shape.
said main communication module having a first side with an interlocking extension of a first shape; and said main communication module having a second opposite side with two spaced interlocking extensions with a cavity therebetween that is complementary shaped to receive an interlocking extension having said first shape.
36. A main communication module as defined in claim 35 further comprising:
said electronic numeric or alpha-numeric display mounted on a main front face of said main communication module; and said interlocking extensions having front faces recessed with respect to a main face of said main communication module.
said electronic numeric or alpha-numeric display mounted on a main front face of said main communication module; and said interlocking extensions having front faces recessed with respect to a main face of said main communication module.
37. A main communication module as defined in claim 36 further comprising:
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said main communication module.
said electronic numeric or alpha-numeric display being manually manipulated for scrolling through menus and different indicia relating to different parameters of said main communication module.
38. A main communication module as defined in claim 37 further comprising:
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said main communication module.
said electronic numeric or alpha-numeric display having operable buttons for scrolling through menus and different indicia relating to different parameters of said main communication module.
39. A main communication module as defined in claim 38 further comprising:
said operable buttons being positioned laterally at each side of said electronic numeric or alpha-numeric display; and said electronic numeric or alpha-numeric display extending laterally across a front face of said main communication module near an upper end of said main communication module.
said operable buttons being positioned laterally at each side of said electronic numeric or alpha-numeric display; and said electronic numeric or alpha-numeric display extending laterally across a front face of said main communication module near an upper end of said main communication module.
40. An electrical serial fieldbus communication system as defined in claim 2 further comprising:
said communication module being interposed between a bank of I/O units and a bank of valve units.
said communication module being interposed between a bank of I/O units and a bank of valve units.
41. A main communication module as defined in claim 31 further comprising:
said communication module being interposed between a bank of I/O units and a bank of valve units.
said communication module being interposed between a bank of I/O units and a bank of valve units.
42. An I/O unit as defined in claim 22 further comprising:
said I/O unit being constructed to automatically select a choice of two power sources fed into said I/O unit.
said I/O unit being constructed to automatically select a choice of two power sources fed into said I/O unit.
Applications Claiming Priority (3)
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|---|---|---|---|
| US11/880,348 | 2007-07-20 | ||
| US11/880,348 US7753740B2 (en) | 2007-07-20 | 2007-07-20 | Modular electrical bus system |
| CA2693518A CA2693518C (en) | 2007-07-20 | 2007-12-14 | Modular electrical bus system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2693518A Division CA2693518C (en) | 2007-07-20 | 2007-12-14 | Modular electrical bus system |
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| CA2819535A1 true CA2819535A1 (en) | 2009-01-29 |
| CA2819535C CA2819535C (en) | 2016-08-02 |
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| CA2693518A Active CA2693518C (en) | 2007-07-20 | 2007-12-14 | Modular electrical bus system |
| CA2819535A Active CA2819535C (en) | 2007-07-20 | 2007-12-14 | Modular electrical bus system |
| CA2818748A Active CA2818748C (en) | 2007-07-20 | 2007-12-14 | Modular electrical bus system |
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| CA2693518A Active CA2693518C (en) | 2007-07-20 | 2007-12-14 | Modular electrical bus system |
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| CA2818748A Active CA2818748C (en) | 2007-07-20 | 2007-12-14 | Modular electrical bus system |
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