Selecting Sto When Sls Is Active - Siemens SINAMICS G120 Function Manual

Description
2.8 Interaction of the safety functions
2.8.3

Selecting STO when SLS is active

If you select the safety function STO when SLS is already active, the inverter safely and
immediately switches off the motor torque.
Figure 2-31
You can switch the motor on again in one of two ways:
Proceed as follows if you want to deselect SLS:
● Issue the OFF1 command.
● Deselect the STO and SLS safety functions.
● Switch on the motor (ON command).
Proceed as follows if SLS is to remain active when the motor is switched on:
● Issue the OFF1 command.
● Deselect the STO safety functions.
● Switch on the motor within 5 seconds (ON command).
58
Selecting STO when SLS is active
Further information can be found in the section Switching the motor off and on again
when SLS is active (Page 40).
Safety Integrated Function Manual, SINAMICS G120 and G120C
Function Manual, 01/2011, FW 4.4, A5E03052391B AB