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
183
A.3.3.6
Wiring diagrams
Table A- 57 SM 1226 F-DQ 4 x 24 VDC (6ES7 226-6DA32-0XB0)
①
The two rectangular areas are yellow. These are only
on the fail-safe signal modules.
② Two LEDs per output:
• One for channel status: Green (on = output on, off =
output off)
• One for channel faults: Red (on = problem/passivated,
off = ok, blink = ready to reintegrate (activate))
Note: Refer to "Digital output applications" (Page 75) for
alternate applications wiring.
Table A- 58 Connector pin locations for SM 1226 F-DQ 4 x 24 VDC (6ES7 226-6DA32-0XB0)
Pin
X10
X11
1
L+ / 24VDC
No connection
2
M / 24VDC
No connection
3
Functional Earth
No connection
4
No connection
No connection
5
No connection
No connection
6
F-DQ a.0+ / P-switch
F-DQ a.2+ / P-switch
7
F-DQ a.0- / M-switch
F-DQ a.2- / M-switch
8
No connection
No connection
9
No connection
No connection
10
F-DQ a.1+ (P-switch)
F-DQ a.3+ (P-switch)
11 F-DQ a.1- (M-switch) F-DQ a.3- (M-switch)