Danfoss VLT Flow Drive FC 111 Programming Manual page 165

VLT® Flow Drive FC 111
Programming Guide
22-01 Power Filter Time
Default value: 0.50 s
Conversion index: -2
Set the time constant for the filtered power readout. A higher value gives a more steady readout but a slower system response to
changes.
Table 381: Range:
Min: 0.02 s
22-02 Sleepmode CL Control Mode
Default value: [0] Normal
Conversion index: -
This parameter is for sleep mode running in process closed-loop mode. Use this parameter to configure whether to detect the feed-
back for sleep mode.
Table 382: Option:
[0] Normal The feedback is detected. Some parameters are checked.
[1] Simplified The feedback is not detected. Only sleep speed and time are checked.
22-04 Check Valve Monitor
Default value: [0] Disabled
Conversion index: -
When this function is enabled, the drive monitors the status of check valves in the system, once a damaged check valve is detected,
the drive trips warning 159, Check Valve Failure.
Table 383: Option:
[0] Disabled
[1] Enabled
4.16.2 22-2* No-Flow Detection
Parameters for setting up no-flow and dry pump detection.
The drive includes functions for detecting if the load conditions in the system allow the motor to be stopped:
• Low power detection
One of these 2 signals must be active for a set time (parameter 22-24 No-Flow Delay) before selected action takes place. Possible
actions to select (parameter 22-23 No-Flow Function):
• No action
• Warning
• Alarm
• Sleep mode
Danfoss A/S © 2021.07
Parameter type: Range
Data type: u_int16
Max: 10 s
Parameter type: Option
Data type: u_int8
Parameter type: Option
Data type: u_int8
Disable the function.
Enable the function.
2-setup: All setups
Change during operation: True
Default value: 0.50 s
2-setup: All setups
Change during operation: True
2-setup: All setups
Change during operation: True
AU363928304090en-000101 / 130R0982 | 165
Parameters