Siemens SIMATIC S7-1200 - Page 1510

Technical specifications
A.13 Digital signal boards (SBs)
S7-1200 Programmable controller
1510 System Manual, V4.2, 09/2016, A5E02486680-AK
Table A- 204 Wiring diagram for the digital input/output SB
SB 1223 DI 2 x 24 V DC, DQ 2 x 24 V DC (6ES7223-
0BD30-0XB0)
① Supports sinking inputs only
Table A- 205 Connector pin locations for SB 1223 DI 2 x 24 V DC, DQ 2 x 24 V DC (6ES7223-0BD30-
0XB0)
Pin
X19
1
L+ / 24 V DC
2
M / 24 V DC
3
DI e.0
4
DI e.1
5
DQ e.0
6
DQ e.1