57
A-5 PID Function Block
Σ
+
-
PID Enable DIx(50)
PID Integrator Hold DIx(51)
PID Process
Preset(Pr.74)
P Gain(Pr.75)
I Gain(Pr.76)
D Gain(Pr.77)
D Time=200ms
ERROR
PID Output
+
Set Selection (X)
Switch
PID SET
PID FB
FB Selection (Y)
PID Integrator Clear DIx(52)
Pr.73=X.Y
AI-1
AI-2
AI-3
Pr.27
DI-2
Switch
AI-1
AI-2
AI-3
Pr.27
DI-2
PID Preset DIx(53)
Gain=Pr.29/100.0
Bias Enable DIx(54)
Boost Enable DIx(55)
PID + Bias Output
PID Output
Switch
AI-1
AI-2
AI-3
Pr.28
Bias Select