Opposite acting control application in process industry

Opposite acting action control application used in process industry. Sometime we need to control valve action oppositely.Here we will learn how to write the PLC program for this type of application.


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Sequence programming for control valves

In flare control application,it is necessary to control control vale as per PID output.System will operate control valeve as per requiremenrt.


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Split range closed loop control system

Split range closed loop control system.Make split range control system used in process control industries.We can use this system for two control valve and can operate it as per split signal.



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