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What do PV, OP, and SP mean?

2009-02-20View Original

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What do PV, OP, and SP mean in DCS? Last edited by jindin312 on 2009-2-20 20:41 in this post.]
Reply #22009-02-20
PID values in control systems: SP—setpoint, generally referring to the setvalue in automatic control; PV—Actual value detected ; OP—Control signal output to the actuator (4–20mA) ;

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