6.6.3
Switching over SLS levels
Overview
When SLS is active, you can switch between four different speed levels via PROFIsafe. The
drive response when switching over to a lower SLS level depends on whether you have
selected SLS with or without braking ramp monitoring.
With braking ramp monitoring
Without braking ramp monitoring
6SHHG
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6/6OHYHO
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/HYHO
/HYHO
/HYHO
6%5
W
W
W
6/6
6/6
The inverter monitors the motor as it brakes using
the SBR (Safe Brake Ramp) function.
6SHHG
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/LPLWLQJVWDJH
6HOHFW
6/6OHYHO
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6/6OHYHO
352),VDIH
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/HYHO
/HYHO
/HYHO
/HYHO
W
W
W
6/6
6/6
After an adjustable time, the inverter switches the
SLS monitoring from the higher SLS level to the
lower SLS level.
Switching over SLS levels is only possible via PROFIsafe with control word 1.
The inverter signals the active SLS level via PROFIsafe to the higher-level control.
Control word 1 and status word 1 (extended functions) (Page 53)
Operation
6.6 Safely Limited Speed (SLS)
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
260
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
