21: PID INSTRUCTION
« FC4A MICROSMART USER’S MANUAL » 21-17
Set PID Parameters (PIDST) Dialog Box
Place the cursor where to insert the PIDST instruction, click the right mouse button, and select Macro Instructions >
PIDST (Set PID Parameters)
. In the PIDST dialog box, program as shown below.
PID Control (PID) Dialog Box
S1+3 Operation mode AT + PID action S1+14 High alarm value
S1+4 Linear conversion enable S1+15 Low alarm value
S1+5 Linear conversion maximum value S1+19 AT sampling period
S1+6 Linear conversion minimum value S1+20 AT control period
S1+10 Integral start coefficient S1+21 AT set point
S1+11 Input filter coefficient S1+22 AT output manipulated variable
S1+12 Sampling period S2+2 Output manipulated variable limit disable
S1+13 Control period S2+3 Integral start coefficient enable
S3 Set point
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