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(13):17-0 Proportional Gain (P) 0.0 – 10.0 rate
17-1 Integration Time (I) 0.0 – 100.0 sec
17-2 Differentiation Time (D) 0.00 – 10.00 sec
PID Parameter Adjustment Guide:
PID
Parameters
Increase Setting
Value
Decrease Setting
Value
Main
Feature
Proportional
Gain (P)
(G) Increase response time
(B) Might cause pump vibration
(G) Reduce vibration
(B) Slow down response
Increase
stabilize time
Integration
Time (I)
(G) Smooth output frequency
(B) Slow down response
(G) Fast response
(B) Change rapidly of
output frequency.
For smooth
feedback
variations
Differentiation
Time (D)
(G) Avoid overshooting
(B) System unstable or motor
vibration
(G) System stable
(B) Overshooting easily
Respond to
system rapid
variations
Notes: PID parameters can be changed during the inverter is running.
Notes: (G) means good, (B) means bad.
Stabilize deviation
Overshooting
18-0 Target Pressure Value
I2/S6 Feedback signal
Stabilize time
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