Danfoss VLT AutomationDrive FC 301 Programming Guide

The proportion of the total ramp-down time (parameter 42-42 Delay Time) where the deceleration torque decreases. The larger the
percentage value, the greater the jerk compensation achieved, and thus the lower the torque jerks in the application.
5.31.6 42-5* SLS
Parameter 42-50 Cut Off Speed
Table 1398: Parameter 42-50 Cut Off Speed
42-50 Cut Off Speed
Default value: 270 RPM
Parameter type: Range, 120 - 10000 RPM
Setup: All setups
Conversion index: 67
Data type: Uint16
Change during operation: False
Speed at which the fail-safe reaction gets activated. This should be the value of parameter 42-51 Speed Limits plus a tolerance.
Parameter 42-51 Speed Limit
Table 1399: Parameter 42-51 Speed Limit
42-51 Speed Limit
Default value: 150 RPM
Parameter type: Range, 0 - 9999 RPM
Setup: All setups
Conversion index: 67
Data type: Uint16
Change during operation: False
Maximum speed allowed when the SLS function is active.
Parameter 42-52 Fail Safe Reaction
Table 1400: Parameter 42-52 Fail Safe Reaction
42-52 Fail Safe Reaction
Default value: [0] STO
Parameter type: Option
Setup: All setups
Conversion index: -
Data type: Uint8
Change during operation: False
Option
Name
Description
[0]*
STO
[1]
SS1-a
[2]
SS1-b
Parameter 42-53 Start Ramp
Table 1401: Parameter 42-53 Start Ramp
42-53 Start Ramp
Default value: [0] No
Parameter type: Option
Setup: All setups
Conversion index: -
Data type: Uint8
Change during operation: False
Option
Name
Description
[0]*
No
[1]
Yes
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Parameter Descriptions
VLT AutomationDrive FC 301/302
Programming Guide

Danfoss VLT AutomationDrive FC 301 Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 301
Category	DC Drives
Language	English