4. Description of Parameters
4-21
1: Enable (only for the pressure feedback output signal within 1~5V)
When this parameter is set as 1 and if the pressure feedback signal is below 1V, an "Pfbf pressure
feedback fault” error message may occur.
a
Pressure/flow control function selection
Control mode VF FOCPG FOCPM
Factory default: 0
Settings
Bit 0:
0: Switch the PI Gain according to the pressure feedback level
1: Switch the PI Gain according to the multi-function input terminal
Bit 1:
0: No pressure/flow control switch
1: Switch between the pressure and flow control
When the Bit 0 of this parameter is set as 1, the PI Gain for the pressure can be switched in
conjunction with the multi-function input terminal
Multi-function input
terminal = 47
Multi-function input
terminal = 48
OFF OFF PI1(Parameters 00-20 & 00-21)
ON OFF PI2(Parameters 00-22 & 00-23)
OFF ON PI3(Parameters 00-24 & 00-25)
When the Bit 1 of this parameter is set as 1, the pressure feedback is lower than the pressure
stable region (please refer to the description of Parameter 00-26) so the flow control will be
performed.
When it enters the pressure stable region, the pressure control will be performed.
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