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unified communication module ucm

A communication interface, system integration technology, applied in transmission systems, general control systems, control/regulation systems, etc., can solve problems such as not yet succeeded, and achieve the effect of preventing changes

Active Publication Date: 2021-01-29
SCHNEIDER ELECTRIC SYST USA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Various improvements related to minimizing the number of hardware components required to implement a fault-tolerant controller and allowing the controller to interface efficiently with the process control system have been attempted without complete success

Method used

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  • unified communication module ucm
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Embodiment Construction

[0019] Aspects of the invention relate to hardware and software components for use in a distributed process control environment, and more particularly to the integration of process control related hardware and software functionality. A UCM embodying aspects of the present invention includes a semi-fault-tolerant, 3-to-1 interface between its communication ports and the main processor (MP) of the fault-tolerant controller.

[0020] go to figure 1 , generally indicated at 210 a fault tolerant controller implementing aspects of the invention. UCM 214 is shown within enclosure 222 of fault tolerant controller 210 as seen. In one embodiment, fault tolerant controller 210 includes multiple UCMs 214 that operate independently and can provide true control network redundancy, as further described below. Three separate modules are shown within UCM 214, which provide, among other benefits, physical and functional separation of at least two different networks. The control processor 226...

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Abstract

The invention relates to a unified communication module. A fault-tolerant control system provides an embedded functional safety core and a distributed control engine with on-board communication links in an industrial process control environment. The fault-tolerant control system includes a process control workstation connected to the first network and a fault-tolerant safety controller connected to the second network, wherein the process controller module, the safety controller module and the field device system integration module are located on the power interface board.

Description

technical field [0001] In process control systems, such as distributed control systems (DCS), fault tolerance enables continued operation if components within the system fail or if the system suffers from transient errors from various sources. One aspect common to fault-tolerant systems involves the concept of redundancy, which can be simply defined as backup components that become operational when a failure occurs, allowing the system to continue operating as intended. Safety Instrumented Systems (SIS) are known in the art for continuous operation in a "safe state" to avoid adverse safety and health consequences through the use of fault tolerant controllers. Such fault-tolerant controllers are commonly used in hazard protection systems (ie, systems regulating the operation of nuclear power plants, turbines, fire and gas sensing systems, etc.). Background technique [0002] The control components of known fault-tolerant controllers employ parallel control and extensive diag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B9/03H04L45/28
CPCG05B9/00G05B19/41855G05B2219/31245G05B2219/33273Y02P90/02G06F11/2007H04L45/28
Inventor J·C·卡布勒M·乔P·P·克拉尔A·P·米什拉
Owner SCHNEIDER ELECTRIC SYST USA INC