Technical specifications
A.10 Analog signal modules (SMs)
S7-1200 Programmable controller
1458 System Manual, V4.2, 09/2016, A5E02486680-AK
Table A- 135 SM 1223 DI 8 x 120/230 V AC, DQ 8 x Relay (6ES7223-1QH32-0XB0)
Table A- 136 Connector Pin Locations for SM 1223 DI 8 x 120/240 V AC, DQ 8 x Relay (6ES7223-
1QH32-0XB0)
1 L+ / 24 V DC Functional Earth No connection No connection