5
Appendix
Connection of an external safety relay for STO
Manual – MOVIGEAR
®
B
33
5.3.3
Connection via terminals – group disconnection
The following figure shows a connection example for disconnection of group drives
with a safety relay:
[4]
[3]
2 STO ̶ IN
1 STO + IN
12 STO ̶ OUT
11 STO + OUT
[4]
[3]
2 STO ̶ IN
1 STO + IN
12 STO ̶ OUT
11 STO + OUT
[1]
DC +24 V
[2]
2468651531
[1]
Installation space
[2]
Safety relay
[3]
MOVIGEAR
®
B
[4]
Connection terminals for STO
22746250/EN – 12/2016
