Option Name
Description
[0]
Disabled
[1]
Warning
The drive reports
warning 101, Speed monitor
when the speed is outside the limit.
[2]
Trip
The drive trips and reports
alarm 101, Speed monitor
.
[3]
Jog
[4]
Freeze output
[5]
Max speed
[6]
Switch to open loop
[7]
Select setup 1
[8]
Select setup 2
[9]
Select setup 3
[10]
Select setup 4
[11]
Stop & trip
[12]
Trip/warning
The drive reports
alarm 101, Speed monitor
in running mode and
warning 101, Speed monitor
in
stop or coast mode. This option is only available in closed-loop operation.
[13]
Trip/catch
Select when there is a need to catch a load, for example when mechanical braking fails. This op-
tion is available in closed loop only. The drive trips and reports
alarm 101, Speed monitor
in run-
ning mode. In stop mode, the drive catches the flying load and reports
warning 101, Speed moni-
tor
. In catch mode, the drive applies holding torque to control the 0 speed on a potentially mal-
functioning brake (closed loop). To exit this mode, send a new start signal to the drive. A coast or
Safe Torque Off also terminates the function.
Parameter 4-44 Motor Speed Monitor Max
Table 248: Parameter 4-44 Motor Speed Monitor Max
4-44 Motor Speed Monitor Max
Default value: 300 RPM
Parameter type: Range, 10 - 500 RPM
Setup: All setups
Conversion index: 67
Data type: Uint16
Change during operation: True
N O T I C E
Only available in flux control principle.
Enter the maximum allowable speed deviation between the actual mechanical shaft speed and the value in
parameter 16-48 Speed
Ref. After Ramp [RPM]
.
Parameter 4-45 Motor Speed Monitor Timeout
Table 249: Parameter 4-45 Motor Speed Monitor Timeout
4-45 Motor Speed Monitor Timeout
Default value: 0.1 s
Parameter type: Range, 0 - 60 s
Setup: All setups
Conversion index: -2
Data type: Uint16
Change during operation: True
AU373327181955en-000101 / 130R1208
132 | Danfoss A/S © 2021.08
Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide