Siemens SIMATIC S7-1200

Technical specifications
A.3 Fail-Safe signal module (SM) technical specifications
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
191
Table A- 65 Connector pin locations for SM 1226 F-DQ 2 x Relay (6ES7 226-6RA32-0XB0)
Pin
X10
X11
1
L+ / 24VDC
No connection
2 M / 24VDC No connection
3
Functional Earth
No connection
4 No connection 3L
5
1L
No connection
6
No connection
A / DQ a.1
7
A / DQ a.0
No connection
8
No connection
No connection
9
2L
4L
10
No connection
No connection
11
B / DQ a.0
B / DQ a.1