Sinee EM500 - Early-Warning Pressure; Warning Pressure

EM500 Open-Loop Vector Control Inverter User Manual
352
No.
Function
Range
Unit
Default
Type
F28.12
Early-warning
pressure
Pressure Digital setting~ Warning
pressure
MPa
0.98
●
F28.13
Warning pressure
Early-warning pressure~
Maximum pressure range
MPa
1.00
●
Early-warning pressure:
When the feedback pressure is greater than the warning pressure, the inverter must
perform the unloading
Warning pressure:
When the feedback pressure is greater than the set value, the system will report E45 fault
No.
Function
Range
Unit
Default
Type
F28.14
Pressure
proportional gain
GP
0.00~100.00
5.00
●
F28.15
Pressure integral
time GTi
0.000~60.000, 0.000: No Integral
s
10.000
●
F28.16
Pressure
differential time
GTd
0.000~60.000
ms
0.000
●
F28.17
Pressure integral
action range
0.00~100.00
%
100.00
●
F28.18
Pressure
Regulation Upper
Limit
0.00~100.00
%
100.00
●
F28.19
Pressure
regulation
Lower Limit
0.00~100.00
%
25.00
●
Adjust PID control parameters according to the actual application.
F28.18 / F28.19 control upper limit and lower limit of pressure PID output respectively.
No.
Function
Range
Unit
Default
Type
F28.20
lower Limit
pressure value
0.00~ Upper Limit pressure value
MPa
0.75
●
F28.21
Upper Limit
pressure value
lower Limit pressure value~
Maximum pressure range
MPa
0.85
●
These codes are used for system loading or unloading control and part of parameters
limiting. In the meanwhile, these codes are judge condition for loading or unloading, e.g.