Delta VFD185VL43C-J

Chapter 4 Description of Parameters | VFD-VJ
4-26

Differential gain
Differential gain 2
Differential gain 3
Control mode
VF FOCPG FOCPM
Factory setting: 0.0
Settings 0.0~100.0 %
 This parameter is functional only when Bit0 and Bit2 = 1 at Pr.00-38.

Pressure stable zone
Control mode
VF FOCPG FOCPM
Factory setting: 25
Settings 0～100%
00-26
00-26
P1, I1
P2, I2
P2, I2
Time
Pressure
Pressure
Comman
d
P3, I3
Pressure Feedback
 Adjust the Kp value to a proper level first, and then adjust the Ki value (time). If the pressure has overshoot,
adjust the kd value.
Appropriate Kp value
Kp value is too low
Kp value is too high
Appropriate Ki value (time)
Ki value is too low (time)
Ki value is too high (time)