Procedure with Startdrive
Proceed as follows to set the SDI function:
1. Enable the SDI safety function.
2. Press the button for the SDI safety function
3. Delay time up to active monitoring.
4. Tolerance for motion in the monitored direction.
5. Response when the monitoring function responds.
 Stop responses (Page 294)
6. Behavior when the motor is switched off.
 Switching off the motor when SDI is active (Page 283)
7. If you leave this signal interconnection at the factory setting, when SDI- is selected, the 
inverter limits the speed setpoint.
8. If you leave this signal interconnection at the factory setting, when SDI+ is selected, the 
inverter limits the speed setpoint.
9. Close the screen form.
You have set the SDI function.
The SDI function
Time response
If you select SDI, the inverter limits the speed or velocity setpoint to a value of zero in the 
inhibited direction of rotation.
Commissioning
5.12 Setting extended functions
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
194 Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD