How to write a step control program
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For example, in a temperature control system, valve 1 is a steam valve that operates when there is steam, while valve 2 is a cold water valve that operates when there is no steam. Should the control program be a PID controller? FBD program for DCS
Which brand’s DCS do you have? DCS systems from companies such as Siemens and Yokogawa come equipped with built-in cascade control blocks
Domestic DCS systems do not have dedicated split-range control modules; they only have PID modules and some basic modules