Siemens SINAMICS G120 - Page 255

Selecting SLS at low motor speeds
If the motor speed when selecting SLS is less than the SLS limit, then the drive responds as
follows:
With braking ramp monitoring Without braking ramp monitoring
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UDPS
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W
W
W
6/6
The inverter monitors the speed after the "delay
time for the braking ramp".
'HOD\WLPHDIWHU6/6
VHOHFWLRQ
6SHHG
/LPLWDWLRQ
0RQLWRULQJ
6HWSRLQW
'HVHOHFW6/6
)',RU
352),VDIHFRQWURO
ZRUG
6/6DFWLYH
)'2RU
352),VDIHVWDWXV
ZRUG
W
W
W
6/6
The inverter monitors the load speed after an ad‐
justable delay time has expired.
Deselect SLS
If the higher-level controller deselects SLS, then the inverter deactivates limiting and
monitoring.
Operation
6.6 Safely Limited Speed (SLS)
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD 255