-
Table 387: Option:
[0] Off
This function is not active.
[1] Warning
The drive continues to run, but activates a warning (
warning 93, dry pump
). A drive digital output or a serial com-
munication bus can communicate the warning to other equipment.
[2] Alarm
The drive stops running and activates an alarm (
alarm 93, dry pump
). A drive digital output or a serial communi-
cation bus can communicate the alarm to other equipment.
N O T I C E
When this option is selected, do not set
parameter 14-20 Reset Mode
to
[13] Infinite auto reset
. Doing so
causes the drive to continuously cycle between running and stopping when a dry pump condition is de-
tected.
[3] Man. Re-
set
Alarm
The drive stops running and activates an alarm (
alarm 93, dry pump
). A drive digital output or a serial communi-
cation bus can communicate the alarm to other equipment. If this option is selected and the dry pump condi-
tion is detected, the drive can only be reset manually.
22-27 Dry Pump Delay
Default value: 10 s
Parameter type: Range
2-setup: All setups
Conversion index: 0
Data type: u_int16
Change during operation: True
Set delay before action set in
parameter 22-26 Dry Pump Function
takes place if a dry-pump condition is detected.
Table 388: Range:
Min: 0 s
Max: 600 s
Default value: 10 s
4.16.3 22-3* No-flow Power Tuning
Parameters for setting up low power detection for the no flow function.
22-30 No-Flow Power
Default value: 0 kW
Parameter type: Range
2-setup: All setups
Conversion index: -2
Data type: u_int32
Change during operation: True
Readout of calculated no-flow power at actual speed.
Table 389: Range:
Min: 0 kW
Max: 1000 kW
Default value: 0 kW
22-31 Power Correction Factor
Default value: 100 %
Parameter type: Range
2-setup: All setups
Conversion index: 0
Data type: u_int16
Change during operation: True
Set a correction if no-flow detection reacts on a too low or too high power value.
Table 390: Range:
Min: 1 %
Max: 400 %
Default value: 100 %
22-33 Low Speed [Hz]
Default value: 0 Hz
Parameter type: Range
2-setup: All setups
Conversion index: -1
Data type: u_int16
Change during operation: True
AU363928304090en-000101 / 130R0982
168 | Danfoss A/S © 2021.07
Parameters
VLT® Flow Drive FC 111
Programming Guide