Soft Pipe Fill - ABB ACQ580 Firmware Manual

66 Program features
The digital high level and low level sensors can be used to generate a warning or fault
when the water level in the container raises or falls to the abnormal operation area.
The analog level sensor connected to an analog input measures the water level.
Settings
Parameter group 76 Multipump configuration (page 256).
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Soft pipe fill

The Soft pipe fill function can be used to fill a empty pipe softly. The function can
avoid sudden charge of water and rise in pressure in a closed valve or a nozzle at the
end of the pump system.
The figure below illustrates the operation of the Soft pipe fill function.
PID
40.14 Set 1 setpoint scaling
7 bar
Time
0
40.28 Set 1 setpoint increase time
If the pumping system is leaking or is damaged then the setpoint will not reach in
time. To detect such a condition, you can enable soft pipe fill supervision to generate
a warning or a fault. The time is calculated with the last reference change in
parameter 40.03 Process PID setpoint actual.
Settings
Menu - Primary settings - Pump features - Soft pipe fill
Parameter groups 40 Process PID set 1 (page 213) and 82 Pump protections (page
274).