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System and method for controlling a valve

A process control system and pilot valve technology, applied in general control systems, control/regulation systems, transmission systems, etc., can solve problems such as damage to the operating state of the process control system

Active Publication Date: 2015-06-24
FISHER CONTROLS INT LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the event of a field device failure, the operating state of the entire process control system may be corrupted

Method used

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  • System and method for controlling a valve
  • System and method for controlling a valve
  • System and method for controlling a valve

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Embodiment Construction

[0022] now refer to figure 1 , a process control system 10 constructed in accordance with one version of the present disclosure is depicted as incorporating one or more field devices 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 in communication with a process controller 11 . Process controller 11 is communicatively coupled to a data historian 12 and to one or more user workstations 13 . Each workstation 13 includes a user interface 14 to facilitate communication with the process control system 10 . User interface 14 may include one or more devices such as a display screen, touch screen, keyboard and mouse. So configured, the controller 11 transmits signals to the field devices 15, 16, 17, 18, 19, 20, 21, 22, 23 and to the workstation 13 and from the field devices 15, 16, 17, 18, 19, 20, 21, 22 , 23 and the workstation 13 receive signals to control the process control system.

[0023] In additional detail, figure 1 Process controller 11 of the depicted version of process co...

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Abstract

A system and method for controlling a remote valve includes temporarily driving or activating a battery-powered pilot valve assembly to place an operatively coupled output valve in a switch position. One or more processors receives a temperature measurement associated with an operating environment of the battery-powered pilot valve assembly, compares the received temperature measurement to a temperature threshold level, and continuously drives the battery-powered pilot valve assembly to maintain the output valve in the switch position if the temperature measurement is below the temperature threshold level.

Description

[0001] Related Patent Applications [0002] This patent application claims the benefit of US Provisional Patent Application No. 61 / 894,254, filed October 22, 2013, the contents of which are hereby incorporated by reference. technical field [0003] The present disclosure relates to process control systems, and more particularly, to controlling remote battery powered valves. Background technique [0004] Process control systems, such as distributed or scalable process control systems like those used in chemical, petroleum, or other processes, typically include one or more process controllers connected via analog, digital, or combined The digital bus is communicatively coupled to at least one host or user workstation and one or more field devices. Existing equipment, which may include, for example, control valves, valve positioners, switches, and transmitters (eg, temperature, pressure, and flow rate sensors) perform in-process functions, such as opening or closing valves an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/02
CPCF15B13/043F15B13/0431F16K31/02G05D7/0635G05B15/02H04L67/10
Inventor M·S·潘瑟M·A·康格
Owner FISHER CONTROLS INT LLC
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