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Redundancy manager

A manager and redundant technology, applied in the field of redundant application stations, can solve the problems of personnel and equipment damage, batch data loss, etc.

Active Publication Date: 2012-04-25
FISHER-ROSEMOUNT SYST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, in the case of virtual control and run-cycle management applications, use of inappropriate parameter values ​​can lead to loss of bulk data, damage to personnel and / or equipment, etc.
Also, where the application station failure is an unrecoverable hardware failure, these applications will be terminated until the hardware is replaced or repaired, which may take an unacceptably long time

Method used

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Examples

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Embodiment Construction

[0014] figure 1 is a block diagram of an example process control system 10 using the redundant application station apparatus and methods described herein. Such as figure 1 As shown, a process control system 10 includes a controller 12, an operator workstation 14, an active application station 16, and a standby application station 18, all of which may be communicatively connected via a bus or local area network (LAN) 20, commonly referred to as For the Application Control Network (ACN). Operator workstation 14 and application stations 16 and 18 may be implemented using one or more workstations or other suitable computer systems or processing units. For example, application stations 16 and 18 may be implemented using single-processor personal computers, single- or multi-processor workstations, or the like. Furthermore, local area network LAN 20 may be implemented using any desired communication medium and protocol. For example, the local area network 20 may be based on hardw...

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PUM

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Abstract

Provided is a redundancy manager for an application station, comprising a heartbeat manager, an application programming interface, and a resource monitor connected to the heartbeat manager and the application programming interface in a manner of communication.

Description

[0001] This invention is a divisional application of the following patent application: application number: 200410032613.X, application date: January 2, 2004, invention name: redundant application station for process control system technical field [0002] The present invention relates to process control systems, and more particularly to redundant application stations for use in process control systems. Background technique [0003] Process control systems, such as those used in chemical, petroleum, or other processes, typically include one or more centralized process controllers communicatively connected by an analog, digital, or combined analog / digital bus to at least one host or operator workstation and One or more field devices. Field devices can be, for example, valves, valve position controllers, switches, and transmitters (eg, temperature, pressure, and flow rate sensors) that perform functions such as opening or closing valves and measuring process parameters. Proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B9/03G06F11/20G06F15/177
CPCH05K999/99G06F11/2033G06F11/2025G06F11/1675G05B9/03
Inventor 马克.J.尼克松肯.比奥特
Owner FISHER-ROSEMOUNT SYST INC
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