4-92
Note:
The pressure under the control of PID is between the maximum pressure limit (14-12) and minimum
pressure limit (14-15).
14-16 Warning Time of Low Pressure
Range 【0.0~600.0】s
When pressure feedback value is lower than minimum pressure limit, warning time of low pressure
starts to count. If pressure feedback value is higher than minimum pressure limit during counting
time, the warning time will recount and the inverter will display the warning signal of LoPb when the
warning time ends.
14-17 Fault Stop Time of Low Pressure
Range 【0.0~600.0】s
When the warning signal of low pressure occurs and pressure feedback value is lower than
minimum pressure limit, stop time of low pressure starts to count. If pressure feedback value is
higher than minimum pressure limit during counting time, the stop time will recount and the inverter
will display stop error signal of LPbFt when the stop time ends.
Diagram for warning to stop at low pressure limit
14-18 Time of Loss Pressure Detection
Range 【0.0~600.0】s
14-19 Proportion of Loss Pressure Detection
Range 【0~100】%
When 14-19=0, function of loss pressure detection is disabled.。
When 14-19 > 0, If the feedback pressure value is lower than the value of 【(14-02) x (14-19)】and
the detection time of loss pressure (23-18) passes, the inverter jumps to fault signal (FBLSS).
14-20 Switching of Pressure and Percentage
Range
0: Pressure
1: Percentage
When 14-20=0, 14-09/14-12/14-15/14-24/14-34/14-38/14-39 is displayed and set via pressure mode.
When 14-20=1, 14-09/14-24/14-34/14-38/14-39 are proceeding to switch percentage on the
basis of parameter 14-02 and parameter 14-12/14-15 are on the basis of parameter 23-03.
For example, 14-02=4.00PSI, 14-03=10.00PSI, 14-09=0.5PSI, 14-12=5.00PSI
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