WO2025075813A1 - Support d'e/s et fond de panier pour systèmes de commande de processus industriels - Google Patents

Support d'e/s et fond de panier pour systèmes de commande de processus industriels Download PDF

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Publication number
WO2025075813A1
WO2025075813A1 PCT/US2024/047974 US2024047974W WO2025075813A1 WO 2025075813 A1 WO2025075813 A1 WO 2025075813A1 US 2024047974 W US2024047974 W US 2024047974W WO 2025075813 A1 WO2025075813 A1 WO 2025075813A1
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Prior art keywords
emc
slots
connectors
communication
devices
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English (en)
Inventor
Charles Eastberg
Richard Mann
Scott Slade
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Fisher Rosemount Systems Inc
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Fisher Rosemount Systems Inc
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Priority claimed from US18/891,841 external-priority patent/US12547574B2/en
Application filed by Fisher Rosemount Systems Inc filed Critical Fisher Rosemount Systems Inc
Publication of WO2025075813A1 publication Critical patent/WO2025075813A1/fr
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Classifications

    • 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
    • H05K7/1477—Bus assemblies for establishing communication between PLC modules including backplanes
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054—Input/output
    • 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
    • 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

Definitions

  • Distributed process control systems like those used in chemical, petroleum, industrial or other process plants to manufacture, refine, transform, generate, or produce physical materials or products, typically include one or more process controllers communicatively coupled to one or more field devices via physical layers that may be analog, digital or combined analog/digital buses, or that may include one or more wireless communication links or networks.
  • the field devices which may be, for example, valves, valve positioners, switches and transmitters (e.g., temperature, pressure, level and flow rate sensors), are located within the process environment and generally perform physical process control functions such as opening or closing valves, measuring process and/or environmental parameters such as flow, temperature or pressure, etc. to control one or more processes executing within the process plant or system.
  • Smart field devices such as the field devices conforming to the well-known FOUNDATION® Fieldbus protocol may also perform control calculations, alarming functions, and other control functions commonly implemented within the controller.
  • the process controllers which are also typically located within the plant environment, receive signals indicative of process measurements made by the field devices and/or other information pertaining to the field devices and execute a control application that runs, for example, different control modules which make process control decisions, generate process control signals based on the received information and coordinate with the control modules or blocks being performed in the field devices, such as HART®, WirelessHART®, and FOUNDATION® Fieldbus field devices.
  • control modules in the process controller send the control signals to various different input/output (I/O) devices, which then send these control signals over communication lines or links (communication physical layers) to the actual field devices to thereby control the operation of at least a portion of the process plant or system, e.g., to control at least a portion of one or more industrial processes running or executing within the plant or system.
  • I/O devices which are also typically located within the plant environment, are generally disposed between a process controller and one or more field devices, and enable communications there-between, e.g., by converting electrical signals into digital values and vice versa. Different I/O devices are provided to support field devices that use different communication protocols.
  • a different I/O device is provided between a process controller and each of the field devices that use a particular communication protocol, such that a first I/O device is used to support HART field devices, a second I/O device is used to support Fieldbus field devices, a third I/O device is used to support Profibus field devices, etc.
  • field devices, controllers, and I/O devices are generally referred to as “process control devices,’’ and are generally located, disposed, or installed in a field environment of a process control system or plant.
  • information from the field devices and the process controller is usually made available over a data highway or communication network to one or more other hardware devices, such as operator workstations, personal computers or computing devices, data historians, report generators, centralized databases, or other centralized administrative computing devices that are typically placed in control rooms or other locations away from the harsher field environment of the plant, e.g., in a back-end environment of the process plant.
  • hardware devices such as operator workstations, personal computers or computing devices, data historians, report generators, centralized databases, or other centralized administrative computing devices that are typically placed in control rooms or other locations away from the harsher field environment of the plant, e.g., in a back-end environment of the process plant.
  • Each of these hardware devices typically is centralized across the process plant or across a portion of the process plant.
  • These hardware devices run applications that may, for example, enable an operator to perform functions with respect to controlling a process and/or operating the process plant, such as changing settings of the process control routine, modifying the operation of the control modules within the controllers or the field devices, viewing the current state of the process, viewing alarms generated by field devices and controllers, simulating the operation of the process for the purpose of training personnel or testing process control software, keeping and updating a configuration database, etc.
  • the data highway utilized by the hardware devices and process controllers may include a wired communication path, a wireless communication path, or a combination of wired and wireless communication paths and typically uses a packet based communication protocol and non-time sensitive communication protocol, such as an Ethernet or IP protocol.
  • the DeltaV ⁇ M control system sold by Emerson Automation Solutions, includes multiple applications stored within and executed by different devices located at diverse places within a process plant.
  • a configuration application which resides in one or more workstations or computing devices in a back-end environment of a process control system or plant, enables users to create or change process control modules and download these process control modules via a data highway to dedicated distributed controllers.
  • these control modules are made up of communicatively interconnected function blocks, which are objects in an object-oriented programming protocol that perform functions within the control scheme based on inputs thereto and that provide outputs to other function blocks within the control scheme.
  • the configuration application may also allow a configuration designer to create or change operator interfaces which are used by a viewing application to display data to an operator and to enable the operator to change settings, such as set points, within the process control routines.
  • Each dedicated controller and, in some cases, one or more field devices stores and executes a respective controller application that runs the control modules assigned and downloaded thereto to implement actual process control functionality.
  • a process control system can include a plurality of field devices that provide many different functional capabilities within a plant, and these field devices are communicatively coupled to process controllers using one of various different types of physical interfaces or physical layers of a communication interface.
  • a common process control communication physical interface uses a two-wire interface set up in either a point-to- point wiring connection arrangement (e.g., only one field device communicatively coupled to a particular wire interface) or in a multi-drop wiring connection arrangement (e.g., a plurality of field devices communicatively coupled to a wire interface).
  • some field devices may be connected with a controller using wireless communications physical layer which may include wireless gateway and transmitter/receiver devices.
  • Still further field devices are typically configured to communicate with the process controllers using one of various different communication protocols.
  • These communication protocols are typically digital signal protocols but can be analog protocols (e.g., the 4-20 ma protocol) or combined digital and analog protocols (e.g., the HART protocol).
  • Some of these protocols operate using relatively simple commands and/or communications (e.g., an ON command and an OFF command as used in the CAN protocol), while other protocols are more complex requiring more commands and/or more communication information, which may or may not include simple commands.
  • more complex protocols may communicate analog values with digital communications superimposed on the analog value using, for example, a Highway Addressable Remote Transducer (HART®) communication protocol.
  • HART® Highway Addressable Remote Transducer
  • Other field devices can use entirely digital communications (e.g., a FOUNDATION® Fieldbus communication protocol) that provides many types of communications.
  • Other process control communication protocols include the PROFIBUS communication protocol, although still other process control communication protocols have been developed and are being used as well.
  • Each of these communication protocols calls for, or needs to be supported by a particular physical layer, which may include a two-wire, a four wire, etc. physical layer, particular switches, etc.
  • the physical layer may specify maximum or minimum wire lengths, wire thicknesses, wire types, termination types, other electrical characteristics, etc.
  • each field device is coupled to an I/O device using a particular communication medium or physical layer (e.g., a two-wire cable, a wireless link, or an optical fiber) via a terminal block on the I/O device, and further using one of the above or other specialized process control communication protocols (HART, CAN, WirelessHART, FOUNDATION Fieldbus, PROFIBUS, etc.) that have been developed in the process control industry.
  • a particular communication medium or physical layer e.g., a two-wire cable, a wireless link, or an optical fiber
  • process control communication protocols HART, CAN, WirelessHART, FOUNDATION Fieldbus, PROFIBUS, etc.
  • the I/O device is separately connected to a process controller, typically via another bus or wired connection.
  • each output port or terminal block is configured to be connected to a different field device via, for example, a two-wire or a four-wire HART compliant communication line or physical layer.
  • the hardware configurable I/O device may also include a power supply that supplies power (for HART compliant devices) to each of the I/O slots via the same internal bus or via a second internal bus.
  • the process control plant 5 may include a gateway node 78 to communicatively connect the immediate process plant 5 with an external public or private system, such as a laboratory system (e.g., Laboratory Information Management System or LIMS), an operator rounds database, a materials handling system, a maintenance management system, a product inventory control system, a production scheduling system, a weather data system, a shipping and handling system, a packaging system, the Internet, another provider’s process control system, or other external systems.
  • LIMS Laboratory Information Management System
  • the I/O device described herein may serve, in part, as the interface between the field devices coupled to the I/O device via the field wiring, and the compute fabric in which one or more control modules may execute (e.g., as micro-encapsulated execution environments).
  • the plant environment 5 and, in particular, the field environment 122 of the plant 5 includes support for advanced protocols running on advanced physical layers to perform communications between field devices and the process controllers.
  • Fig. 2 depicts the advanced physical layer (APL) network 80 of Fig. 1 in more detail.
  • the APL network 80 supports communications between various field devices 82 and the controller 11 using a packet based or an advanced (e.g., general purpose IP-based) communication protocol.
  • the network 80 includes an APL power switch 84 connected via, for example, an Ethernet or other bus 10, to the control system (e.g., a controller 11 of Fig. 1 ) and/or to a cloud or other applications 90.
  • the cloud applications 90 may be or may include any or all of the applications and devices 71 , 72, 73, 74, 75, 76 of Fig. 1 , as well as other devices connected thereto via access points, such as the access point 74.
  • the cloud applications may include simulation applications, control applications, data storage and processing applications, etc.
  • the APL power switch 84 includes an APL power device that provides power over the APL physical layer, and the APL power switch 84 acts as a gateway to the APL network 80 and, in particular, to various APL field switches 86, which are connected to the APL power switch 84 via a bus or wire network 88 conforming to the APL physical layer standards. As illustrated with respect to Fig.
  • the bus or network 88 may be a trunk line or may be a ring-type connection, as indicated by the dotted portion of the bus 88.
  • the bus 88 is an APL physical layer including, for example, a two-wire or a four-wire wired network, that provides communication signals as well as power signals from the APL power switch 84 to the APL field switches 86.
  • each of the APL field switches 86 has one or any other number of field devices 82 connected thereto via an appropriate APL physical layer or link 92.
  • the APL links 92 may conform to the APL specification and may be two-wire or four-wire buses, which provides or enables communication signals and power signal to be sent between the APL field switches 86 and the field devices 82.
  • the APL power switch 84 acts as a gateway to the bus 10 and operates to multiplex signals from outside sources, such as signals from the backbone bus 10, onto the link 88 using a communication protocol set up for the network 80.
  • the power switch 84 may operate to decode messages from any of the field switches 86 (which may be messages from the field devices 82) that are on the link 88 and that are addressed to destinations outside of the network 80 and to send these messages onto the link 10.
  • the APL field switches 86 decode messages on the link 88 and, if addressed to one of the field devices 82 connected to the field switch 86, the field switch 86 places the message on the spur line or link 92 to be sent to the field device 82.
  • the field switches 86 receive messages from the field devices 82 via the links 92 and place those messages on the link 88 for delivery to another field switch 86 or the power switch 84.
  • the field devices 82 are all APL compliant field devices in that they use the APL physical layer and a communication protocol that is supported by the APL physical layer (e.g., an IP communication protocol) for communications via the links 92 and 88.
  • the field devices 82 may also receive power via the links 92, and this power is provided from the field switches 86 and is ultimately provided over the bus 88 from the APL power switch 84 and a power supply associated therewith.
  • the APL (physical layer) of Fig. 2 may be a ruggedized, two-wire, loop-powered Ethernet physical layer that uses 10BASE-T1 L plus extensions for installation within operating conditions and hazardous areas of process plants.
  • the APL power switch 84 provides connectivity between all standard Ethernet networks and field devices and includes power supplies to provide power to the APL field switches 86 and the field devices 82.
  • the power switch 84 will be located in the control room or in a junction box on a skid.
  • the APL field switches 86 may be designed for installation and operation in hazardous areas.
  • the field switches 86 are loop-powered by the APL power switch 84 and distribute both communication signals and power via spurs 92 to the field devices 82.
  • APL Advanced Physical Layer
  • This physical layer can be used as described herein in process automation and on process instrumentation to connect field devices in, for example, remote and hazardous locations and operates to extend the Ethernet physical layer operating at 10 Mb/sec over single-pair cable.
  • APL extends 10BASE-T 1 L for use in hazardous areas which enables the development of standards associated with typical protection methods, especially intrinsic safety.
  • the network 80 of Fig. 2 can use any communication protocol supported by the APL, such as any protocol supported by an Ethernet connection.
  • These protocols include, but are not limited to, internet protocols (IP protocols), packet-based protocols, time sensitive and non-time sensitive protocols, etc. More particularly, these protocols may include the HART- IP, the OPC UA and any other desired protocols designed for process control communications. Likewise, these protocols may include protocols not traditionally used in process automation, such as general purpose IP protocols, including protocols that support request/response, publish/subscribe, and event-based communications, and data streaming.
  • the use of the network 80 illustrates one methodology of implementing an APL physical layer and a supported communications protocol within a process control system to provide communications between field devices, such as the field devices 82, and other devices such as process controllers 11 or other devices on the network 10 of Fig. 1 .
  • a process controller such as the process controller 11 of Fig. 1
  • the network 80 provides an example of a manner of providing a stand-alone APL network within a process control system to provide communications, using a more traditional IP-based communication protocol, between a process controller and field devices.
  • the network 80 may be beneficial when new field devices, that support a more traditional IP-based communication protocol, are newly added to a plant or to an area of a plant.
  • an APL physical layer and an IP communications protocol using that layer
  • an overall I/O system may be used within a field environment of a plant to support multiple I/O types while keeping the more traditional I/O architecture of the plant.
  • a new I/O device provides or supports a mixed physical layer which can support multiple different communication protocols, including traditional process control protocols and more common or general-purpose IP-based protocols.
  • this I/O device provides control at an I/O device processor that leads to improved control, and that supports the combination of control and I loT applications (which are typically interested in measurement and actuator data), their capabilities, and their diagnostics.
  • the I/O device 29 of Fig. 1 is an example I/O device that provides a mixed physical layer and communication protocol platform, and that can be used to provide communications between a process controller and multiple different field devices via various different physical layers and various different communication protocols.
  • Figs. 3 and 4 illustrate a mixed physical layer and protocol device 140 (which may be the I/O device 29 of Fig. 1 ) in more detail. More particularly, Fig. 3 depicts a perspective view of an example electronic marshaling or I/O device 140 that supports communications with the multiple different field devices using multiple different physical layers and, if desired, using different communication protocols on the different physical layers.
  • the I/O device 140 includes an I/O card carrier 142.
  • the I/O card carrier 142 includes slots 144 into which one or more I/O processor modules 145 (also referred to herein as “scanner modules”) are placed or are inserted.
  • the I/O card carrier 142 may support multiple different I/O processor modules 145 to which a process controller (e.g., the process control 1 1 of Fig. 1) may be connected via a wired or wireless connection (e.g., the wired connection coupled to communication ports 157, as described below).
  • a process controller e.g., the process control 1 1 of Fig. 1
  • the I/O card carrier 142 supports two I/O processor modules 145, however, more or fewer I/O processor modules 145 could be supported in (inserted into) the carrier 142.
  • the I/O processor modules 145 may be associated with the same or with different communication protocols, may be redundant I/O processor modules that perform the same functionality for one or more different communication protocols, may include a separate I/O processor module for each different communication protocol supported by the I/O device 140, or may include a processor module 145 that supports multiple different communication protocols using different physical layer structure. Still further, one or more of the processor modules 145 may be or may include one or more power supplies for one or more different communication protocols, etc.
  • the processor modules 145 perform communications with a process controller that is communicatively connected on one side of the I/O device 140 (e.g., the process controller 1 1 of Fig. 1 ) via a high-speed data connection (e.g., Ethernet, optical fiber, etc.) and performs communications with various different electronic marshalling components (EMCs) 152 disposed, in respective slots 149 on the I/O card carrier 142, which marshalling components communicate with field devices on the other side of the I/O device 140 (e.g., through field wiring communicatively coupled to the marshaling components).
  • EMCs electronic marshalling components
  • the EMCs 152 may include conventional EMCs 158, as well as high-speed (i.e., having a bandwidth of 10 Mbps or greater, and in embodiments a bandwidth exceeding 25 Mbps, exceeding 100 Mbps, or even up to or exceeding 250 Mbps) EMCs 154, as will be described in greater detail below.
  • EMCs examples include, without limitation, EMCs that perform analog input (Al) signal processing via a 4-20 mA communication protocol and physical layer, analog output (AO) signal processing via a 4-20 mA protocol and physical layer, discrete or digital output (DO) signal processing to and from field devices that use, for example, a HART communication protocol and physical layer, discrete or digital input (DI) signal processing to and from such field devices.
  • Al analog input
  • AO analog output
  • DO discrete or digital output
  • EMCs include, without limitation, EMCs conforming to the advanced physical layer (APL) protocol, EMCs conforming to the Profibus protocol, EMCs conforming to the Foundation Fieldbus protocol, EMCs implementing proportional-integral- derivative (PID) control, EMCs performing Ethernet (Cat 5 or fiber optic) communication, EMCs performing Bluetooth communication, EMCs performing WiFi communication, EMCs performing LoRaWan communication, etc.
  • APL advanced physical layer
  • Profibus protocol EMCs conforming to the Profibus protocol
  • Foundation Fieldbus protocol EMCs conforming to the Foundation Fieldbus protocol
  • PID proportional-integral- derivative
  • EMCs performing Ethernet (Cat 5 or fiber optic) communication
  • EMCs performing Bluetooth communication EMCs performing WiFi communication
  • EMCs performing LoRaWan communication etc.
  • the I/O processor modules 145 may include specialized or general purpose processors and memories, that are programmed to perform various communication functions including receiving and sending communication signals to the process controller, decoding and coding signals received from and sent to field devices using one or more communication protocols, responding to messages from field devices and the process controller using the appropriate communication protocol to communicate information and messages from the controller to the field devices and vice-versa, tracking the identity of and the logical location of field devices coupled to the I/O device (i.e., determining, tracking and storing communication paths and communication protocols that are used to communicate with the field devices connected to the I/O device, filtering messages so that only traffic intended for field devices connected - via the EMCs 152 - to the I/O device 140 make it onto the backplane and vice versa), etc.
  • the I/O processor modules 145 may also, in some cases, include a power supply or connect to an external power supply and supply power, directly or via one or more EMCs 152, over one or more field device communication networks connected to the I/O device 140.
  • the slots 149 (the EMC slots) electrically and communicatively connect to the slots 144 (the I/O processor module slots) (and, therefore, to the processor modules 145) via one or more internal buses (not shown in Fig. 3) on a backplane (not shown in Fig. 3).
  • the plurality of ECM slots 149 are grouped into a left array 151 L and a right array 151 R.
  • Each of arrays 151 L, 151 R supports a plurality of individually configurable channels, wherein each channel includes a dedicated slot 149Li , 1491-2, 149Ri , 149R2, etc.
  • each of the slots 149Li, 149L 2 , 149Ri , 149R 2 , etc. includes a variety of connectors and, in particular, includes a first connector (e.g., one or more pin- or blade-type connectors) configured to be coupled to a dedicated wire terminal block 150Li , 1501.2, 150Ri, 150R2, etc. that can be disposed in the slots 149Li , 149L 2 , 149Ri, 149R 2 , etc.
  • a first connector e.g., one or more pin- or blade-type connectors
  • each terminal block 150 may include a set of wire connectors that may accept and connect wires associated with one or more of a HART physical layer, a FOUNDATION Fieldbus physical layer, an Ethernet physical layer, an APL physical layer, or any other desired physical layer.
  • each of the slots 149 is adapted or configured such that the terminal block 150, which itself is configured to receive a removable electronic marshaling component (EMC) 152, can facilitate communication between the ECM slot 149 (and therefore the EMC 152) and the processor module slots 144 (and therefore the processor modules 145).
  • EMC electronic marshaling component
  • each of the slots 149 includes a second connector (e.g., a pin-type connector) configured to be coupled, when the EMC 152 is seated in the terminal block 150, to the EMC 152 installed in the terminal block 150.
  • a second connector e.g., a pin-type connector
  • both conventional EMCs 158 and high- speed/APL EMCs 154 utilize the second connector, and are seated in the terminal block 150, in the embodiment depicted in Fig. 3, only conventional EMCs 158 utilize the second connector and are seated in the terminal block 150.
  • each of the slots 149 additionally includes a third connector (e.g., a card-slot type connector) configured to be coupled to an EMC 152.
  • the third connector may facilitate higher data-rate communication protocols and, as such, may accommodate higher- speed electronic marshaling components that cannot be accommodated using conventional EMC terminal blocks (e.g., the terminal blocks 150).
  • conventional EMC modules 158 and high-speed/APL EMC modules 154 may each be installed in a terminal block disposed in one of the slots 149, in the embodiment depicted in Fig.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Programmable Controllers (AREA)

Abstract

L'invention concerne un dispositif d'E/S qui est configuré pour coupler une pluralité de dispositifs de champ de commande de processus à un dispositif de commande de processus commandant un processus dans une installation de processus industriel. Le dispositif d'E/S comprend un fond de panier et une pluralité de fentes de composant de triage électronique (EMC). Les fentes d'EMC sont chacune conçues pour recevoir un EMC respectif et pour recevoir soit (i) un EMC de premier type associé à un premier protocole de communication, soit (ii) un EMC de second type associé à un second protocole de communication. Le dispositif d'E/S comprend également des fentes de module de processeur d'E/S, chacune couplée en communication, par l'intermédiaire du fond de panier, à chacune des fentes d'EMC et à chacun d'un premier ou de plusieurs premiers connecteurs et d'un second ou plusieurs connecteurs dans chacune des fentes d'EMC. Le dispositif d'E/S comprend en outre des ports de communication, chacun couplé en communication aux fentes de module de processeur d'E/S par l'intermédiaire du fond de panier.
PCT/US2024/047974 2023-10-02 2024-09-23 Support d'e/s et fond de panier pour systèmes de commande de processus industriels Pending WO2025075813A1 (fr)

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US202363542002P 2023-10-02 2023-10-02
US63/542,002 2023-10-02
US18/891,841 2024-09-20
US18/891,841 US12547574B2 (en) 2023-10-02 2024-09-20 I/O carrier and backplane for industrial process control systems

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