Siemens SIMATIC S7 Functional Safety Manual page 158

Technical specifications
A.2 Fail-Safe CPU technical specifications
Table A- 24 CPU 1214FC DC/DC/DC (6ES7 214-1AF40-0XB0)
Table A- 25
158
Connector pin locations for CPU 1214FC DC/DC/DC (6ES7 214-1AF40-0XB0)
Pin X10
1 L+ / 24VDC
2 M / 24VDC
3 Functional Earth
4 L+ / 24VDC Sensor Out
5 M / 24VDC Sensor Out
6 1M
7 DI a.0
8 DI a.1
9 DI a.2
10 DI a.3
11 DI a.4
12 DI a.5
13 DI a.6
14 DI a.7
15 DI b.0
16 DI b.1
①
The two rectangular areas are yellow.
These are only on the fail-safe CPUs.
②
24 VDC Sensor Power Out
For additional noise immunity, connect
"M" to chassis ground even if not using
sensor supply.
③
For sinking inputs, connect "-" to "M"
(shown). For sourcing inputs, connect "+"
to "M".
Note: X11 connectors must be gold. See Ap-
pendix B, Spare Parts for article number.
X11 (gold)
2 M
AI 0
AI 1
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S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
X12
3L+
3M
DQ a.0
DQ a.1
DQ a.2
DQ a.3
DQ a.4
DQ a.5
DQ a.6
DQ a.7
DQ b.0
DQ b.1
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