Regarding instrument control in PID drawings

2009-02-25View Original

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I looked around; I’m not sure if my question is appropriate to be asked in this section. I would appreciate some advice: regarding the FIC shown by the DCS in the PID diagram. It is generally represented as a square box with a circle inside, containing FIC. The question is: there will be an SP on top of this FIC. . Some are also denoted as S.P... What does this SP stand for? Is it related to action and reaction? Thank you all for your participation. Wishing you success and happiness.

Reply #22009-02-27

FIC refers to flow indication and control, right? FLOW INDICATION & CONTROL. SP refers to the set value, SET POINT

Reply #32009-02-27

SP is the set value; positive or negative action cannot be determined. But you can make a rough estimate based on the manufacturing process.

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Regarding instrument control in PID drawings

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