AutomationDirect DURAPULSE Series - PID Parameters

Chapter 4: AC Drive Parameters
4–66
PID Parameters
Input Terminal for PID Feedback Default Setting: 00
Settings:
00 Inhibit PID operation.
01 Forward-acting (heating loop) PID feedback, PV from AI1 (0 to +10V)
02 Forward-acting (heating loop) PID feedback, PV from AI2 (4 to 20 mA)
03 Reverse-acting (cooling loop) PID feedback, PV from AI1 (0 to +10V)
04 Reverse-acting (cooling loop) PID feedback, PV from AI2 (4 to 20 mA)
Basic PID Loop Diagram:
P
P7.20
I
P 7.21
D
P 7.22
P 7.23
P 7.25
P 7.24
+
+
+
+
Setpoint
Integral
gain
limit
Output
Freq.
Limit
Digital
filter
Freq.
Command
P 7.10-P7.17
–
PID Feedback Signal
x PID Feedback Gain (P 7.03)
AI1: 10V
AI2: 20mA
AI1: 0V
AI2: 4mA
0%
100%
Positive Offset
Negative Offset
P 7.04
P 7.05
P 7.05
PID Setpoint x PID Setpoint Gai
n (
n (P 7.06) + PID Setpoint Offset (P 7.05)
P7.04 thru P7.06 are used
only when P7.02 = 2 or 3
(PID Setpoint Source is
AI1 or AI2).
P7.00
DURAPULSE AC Drive User Manual
1st Ed. Rev. D 05/2013