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22-01 Power Filter Time
Default value: 0.50 s
Parameter type: Range
2-setup: All setups
Conversion index: -2
Data type: u_int16
Change during operation: True
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
Max: 10 s
Default value: 0.50 s
22-02 Sleepmode CL Control Mode
Default value: [0] Normal
Parameter type: Option
2-setup: All setups
Conversion index: -
Data type: u_int8
Change during operation: True
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
Parameter type: Option
2-setup: All setups
Conversion index: -
Data type: u_int8
Change during operation: True
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
Disable the function.
[1]
Enabled
Enable the function.
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
AU363928304090en-000101 / 130R0982 | 165
Danfoss A/S © 2021.07
Parameters
VLT® Flow Drive FC 111
Programming Guide