553BTechnical specifications
A.5 Digital signal modules (SMs)
S7-1200 Programmable controller
694
System Manual, 11/2011, A5E02486680-05
Table A- 64 Wiring diagram for the 8-point digital output relay changeover SM
SM 1222 DQ 8 x Relay Changeover (6ES7 222-1XF30-
0XB0)
Table A- 65 Wiring diagrams for the 16-point digital output SMs
SM 1222 DQ 16 x Relay (6ES7 222-1HH30-0XB0)
SM 1222 DQ 16 x 24 VDC (6ES7 222-1BH30-0XB0)