Technical specifications
A.9 Digital signal modules (SMs)
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1449
Table A- 119 Connector pin locations for SM 1222 DQ 8 x Relay Changeover (6ES7222-1XF32-0XB0)
2 M / 24 V DC No connection No connection No connection
4 No connection No connection No connection No connection
Table A- 120 Wiring diagrams for the 16-point digital output SMs
SM 1222 DQ 16 x Relay (6ES7222-1HH32-
0XB0)
SM 1222 DQ 16 x 24 V DC (6ES7222-1BH32-
0XB0)