Example 3: SAR1 ramp monitoring and SLS modoff delay time active
In this example, parameter SLSx.05 is set to Monitoring active and modoff delay time. The
time diagram below describes the operation of the SLS function when modulation is lost
during the deceleration ramp.
Motor speed
Time
Drive modulation
SLS request
SAR1 monitoring
SLSx.06 Modoff
delay time monitoring
C
D
E
A
B
A
SAR1 ramp monitoringA
Actual motor speed (coasting after modoff)B
SLS trip limitC
SLS limitD
Last valid speed estimate of FSOE
26 Option description
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