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GD350A series high-performance multifunction VFD
-124-
Function
code
Name
Description
Default
1: A+B frequency, acceleration/ deceleration of
main reference A frequency source buffering is
valid, acceleration/deceleration is determined by
P08.04 (acceleration time 4).
P09.14
Low frequency
proportional gain
(Kp)
0.00–100.00
1.00
P09.15
ACC/DEC time of
PID command
0.0–1000.0s
0.0s
P09.16 PID output filter time 0.000–10.000s
0.000s
P09.17
Reserved
-100.0–100.0%
0.0%
P09.18
Low frequency
integral time (Ti)
0.00–10.00s
0.90s
P09.19
Low frequency
differential time (Td)
0.00–10.00s
0.00s
P09.20
Low frequency point
for PID parameter
switching
0.00–P09.21
5.00Hz
P09.21
High frequency
point for PID
parameter switching
P09.20–P00.04
10.00Hz
Set frequency
0.00Hz–P00.03 (Max. output frequency)
0.00Hz
PID reference value -100.0–100.0%
0.0%
PID feedback value -100.0–100.0%
0.0%
5.5.16 Running at wobbling frequency
Wobbling frequency is mainly applied in cases where transverse movement and winding functions are
needed like textile and chemical fiber industries. The typical working process is shown as below.