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SLS reaction if modulation is lost with Monitoring active and modoff delay time
- modulation returns
The operation of the SLS function in case the modulation of the drive is lost during the
deceleration ramp with Monitoring active and modoff delay time selected (parameter
SLSx.05 is set to Monitoring active and modoff delay time) is described in the time
diagram and table below. For configuration, see section
function behavior when drive modulation is lost
Motor speed
A
A
1
A
SAR1 ramp monitoring
B
Actual motor speed (coasting after modoff)
C
SLS trip limit
D
SLS limit
E
Last valid speed estimate of FSO
E
B
2
3
4
How to configure SLS
on page 271.
C
D
5
SLS request
SAR1 monitoring
SLSx.06 Modoff
delay time monitoring
Drive modulation
SLS indication
Safety functions 107
Time
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