Siemens SINAMICS S120 Commissioning Manual page 238

Commissioning
4.10 Safety Integrated commissioning
Configuring the motor deceleration with internal braking response (OFF 3)
1. Select the "[0] SS1 with OFF 3" setting from the "Braking response" drop-down list.
The screen form is structured accordingly.
2. Select the monitoring type in the "Monitoring" drop-down list:
– with SAM
– with SBR
3. Click "Monitoring" and parameterize the alternative brake monitoring functions "SAM" and
"SBR" in the dialog (see Chapter "SAM/SBR (extended functions) (Page 243)").
4. Enter the required delay time in the "Delay time SS1 -> STO active" (p9556) input field.
5. Enter the required delay time in the "Safe stop 1 delay time" (p9652) input field.
6. Interconnect the signal source "STO active in the drive" (r9773.1).
7. If you want to receive an alarm acknowledgment via STO, activate the option with the
same name.
8. Click "Save project" in the toolbar to save the changes in the project.
Configuring the motor deceleration with external stop
Unplanned axis movements during Safe Stop 1
During the delay time (p9652), for "Safe Stop 1 (time-controlled) with external stop",
random axis movements are possible which can result in severe injuries or death in an
extreme situation.
• Take suitable measures to prevent random axis movements, e.g. by using a brake with
1. Select the "[1] SS1E external stop" setting from the "Braking response" drop-down list.
The screen form is structured accordingly.
2. Enter the required delay time in the "Delay time SS1 -> STO active" (p9556) input field.
3. Enter the required delay time in the "Safe stop 1 delay time" (p9652) input field.
4. Interconnect the signal sink "STO active in the drive" (r9773.1).
5. If you want to receive an alarm acknowledgment via STO, activate the option with the
same name.
6. Click "Save project" in the toolbar to save the changes in the project.
238
WARNING
safety-relevant monitoring.
Further information can be found in Section "Safe Brake Control".
Commissioning with Startdrive
Commissioning Manual, 11/2017, 6SL3097-4AA10-0BP1