Delta VFD450VL43A-J

4-18
Send the 0% flow rate through the controller and then check the multi-function display page to
enter this value into 00-19
a
P gain 1
a
P gain 2
a
P gain 3
Control mode VF FOCPG FOCPM
Factory default: 50.0
Settings 0.0～1000.0
a
I integration time 1
a
I integration time 2
a
I integration time 3
Control mode VF FOCPG FOCPM
Factory default: 2.00
Settings 0.00 – 500.00 seconds
a
Differential gain
Control mode VF FOCPG FOCPM
Factory default: 0.0
Settings 0.0~100.0 %
a
Pressure stable region
Control mode VF FOCPG FOCPM
Factory default: 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