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Methods and apparatuses to communicatively couple on/off valves to controllers in a process control systam

A process control system, controller technology, applied in general control systems, control/regulation systems, valve devices, etc., and can solve complex problems

Active Publication Date: 2016-03-23
FISHER-ROSEMOUNT SYST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Other field devices are more complex, requiring multiple commands and / or multiple communication messages, which may or may not include simple commands

Method used

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  • Methods and apparatuses to communicatively couple on/off valves to controllers in a process control systam
  • Methods and apparatuses to communicatively couple on/off valves to controllers in a process control systam
  • Methods and apparatuses to communicatively couple on/off valves to controllers in a process control systam

Examples

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Embodiment Construction

[0015] Although the following describes example devices and systems that include, among other components, software and / or firmware executed on hardware, it should be noted that such systems are merely illustrative and should not be considered limiting . For example, it is contemplated that any or all of these hardware components, software components, and firmware components can be embodied exclusively in hardware, exclusively in software, or in any combination of hardware and software. Thus, while the following describes example devices and systems, those of ordinary skill in the art will appreciate that the examples provided are not the only ways to implement such devices and systems.

[0016] An example process control system includes a control room (e.g., control room 108 of FIG. 1 ), a process controller area (e.g., process controller area 110 of FIG. 1 ), a terminal area (e.g., terminal area 140 of FIG. 1 ), and a or multiple process areas (eg, process area 114 and proce...

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PUM

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Abstract

Methods and apparatuses to communicatively couple on / off valves to controllers in a process control system are disclosed. An example apparatus includes a first interface to receive a command signal from a termination module to be communicatively coupled to a controller in a process control system. The command signal is directed to an on / off valve in the process control system. The first interface transmits a feedback signal to the termination module in response to the command signal. The example apparatus also includes a second interface to receive position information from proximity sensors in a switch box monitoring a state of the on / off valve. The feedback signal is based on the position information. The example apparatus further includes a communication processor to be communicatively coupled to the first and the second interfaces to process the command signal and the feedback signal.

Description

technical field [0001] In general, the present disclosure relates to process control systems, and more particularly, to methods and apparatus for communicatively coupling on / off valves to controllers in process control systems. Background technique [0002] Process control systems, such as those used in chemical, petroleum, pharmaceutical, pulp and paper, or other manufacturing processes, typically include one or more process controllers, the one or more The process controller is communicatively coupled to at least one host computer including at least one operator workstation and to one or more field devices configured to communicate via an analog communication protocol, a digital communication protocol, or a combined analog / digital communication protocol . Field devices, which may be, for example, plant controllers, valves, valve actuators, valve positioners, switches, and transducers (e.g., temperature sensors, pressure sensors, flow sensors, and chemical composition sens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCG05B19/41865G05B2219/32252F16K37/0075F16K37/0083G05B19/4185G05D3/125G05D7/0629G05B2219/31119G05B2219/33331G05B15/02
Inventor K·埃尔尼
Owner FISHER-ROSEMOUNT SYST INC