INVT Goodrive270 Series Operation Manual page 265

Goodrive270 series VFD for fan and pump
Function
Name
code
limit detection value
Feedback
P91.19 out-of-range
detection time
PID2 feedback filter
P91.20
time
PID2 deviation input
P91.21
limit value
Output
P91.22 characteristics
selection
P91.23 PID2 output gain
PID2 output filter
P91.24
time
PID2 output upper
P91.25
limit
PID2 output lower
P91.26
limit
P91.27 Proportional gain
P91.28 Integral time
P91.29 Differential time
P91.30 Sampling period
PID2 control
P91.31
deadzone
P91.32 Deadzone delay
Integral separation
P91.33
threshold
Differential filter
P91.34
times
Prior differential
P91.35
processing
Description
0.0–3600.0s
0.000–60.000s
0.0–100.0%
0: PID output is positive.
1: PID output is negative.
0.000–3.000
0.000–60.000s
P91.26–100.0%
-100.0–P91.25
0.000–60.000
0.000–60.000s
0.000–60.000s
0.001–60.000s
0.0–100.0%
0.0–300.0s
The PID suspends the regulation when the PID
input deviation is kept for the deadzone retaining
delay time.
0.0–200.0%
0–40
0: Perform differential processing on feedback
with priority
1: Perform differential processing on deviation
with priority
-255-
Function parameter list
Default Modify
○
1.0s
○
0.000s
○
100.0%
○
0
○
1.000
○
0.000s
○
100.0%
○
0.0%
○
1.000
○
5.000s
○
0.000s
○
0.100s
◎
0.0%
○
1.0s
○
200.0%
○
10
○
0