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
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