Ss1 With Braking Ramp Monitoring - Siemens SINAMICS G120 Function Manual

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6.5.2.2

SS1 with braking ramp monitoring

Select SS1
Function
1. The higher-level control selects the SS1 safety function via a safety input or via the
2. If the motor has already been switched off when selecting SS1, then the inverter safely
3. The inverter safely switches off the motor torque using the STO safety function if the load
Switching on the motor once SS1 is active
Procedure
To switch on the motor again once SS1 is active, proceed as follows:
1. Deselect SS1.
2. Switch on the motor: ON/OFF1 = 1.
You have switched on the motor.
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 04/2014, FW V4.7, A5E34261271B AA
PROFIsafe safe communication.
switches off the motor torque with the safety function STO.
If the motor is switched on when SS1 is selected, the inverter brakes the motor with the
OFF3 ramp-down time. The inverter monitors whether the load speed decreases using
the SBR function.
speed reaches the "standstill monitoring".
Figure 6-15
Braking behavior and diagnostics of the safety function SS1 (Safe Stop 1)
Operation
6.5 Safe Stop 1 (SS1)
179

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