Delta HES Series User Manual page 57

Chapter 4 Parameter Functions
Display the speed (rpm) defined by the user
Control mode VF
Settings
Set the maximum speed of the motor corresponding to the 100% flow.
Maximum value for the pressure command
VF
Control mode
Settings
The 0~10V for the pressure command on the controller is mapped to 0~the value of this
parameter.
Firmware version 2.04 and above, maximum value 400Bar, the previous version's maximum
allowed value is 250Bar.
Maximum pressure feedback value
VF
Control mode
Settings
The 0~10V for the pressure sensor is mapped to 0~the value of this parameter.
Pressure control mode
Control mode VF
Settings
This parameter determines the control mode of the Hybrid Servo Controller. It is recommended
to use the speed control at the initial start up. After the motor, pump, pressure sensor, and the
entire system are checked without any error, switch to the pressure control mode to enter the
process control.
Speed bandwidth
Control mode
Settings
Set the speed response. The larger value indicates the faster response.
Pressure feedback filtering time PO
Pressure Command Filter Time PI
Pressure Command Filter Time PI
Control mode VF
Settings
Noises may reside in the analog input signals of the control terminals PO, PI, and QI. The noise
may affect the control stability. Use an input filter to eliminate such noise.
If the time constant is too large, a stable control is obtained with poorer control response. If it is
too small, a fast response is obtained with unstable control. If the optimal setting is not known,
adjust it properly according to the instability or response delay.
Percentage for the pressure command value (Max)
Percentage for the pressure command value (Mid)
Percentage for the pressure command value (Min)
Control mode VF
Settings
|HES Series
FOCPG FOCPM
0~39999 rpm
FOCPG FOCPM
0~400Bar
FOCPG FOCPM
0~400Bar
FOCPG FOCPM
0: Speed control
1: Pressure control
FOCPG FOCPM
0~40Hz
FOCPG FOCPM
0.000~1.000 seconds
FOCPG FOCPM
0.0~100.0%
4-14
Factory default: 0
Factory default: 250
Factory default: 250
Factory default: 0
Factory default: 20
Factory default: 0.000
Factory default: 100.0