Siemens S7-1200 System Manual page 856

Technical specifications
A.3 CPU 1212C
Table A- 45
Table A- 46
Note
Unused analog inputs should be shorted.
856
CPU 1212C DC/DC/DC (6ES7-212-1AE40-0XB0)
Connector pin locations for CPU 1212C DC/DC/DC (6ES7 212-1AE40-0XB0)
Pin X10
1 L+ / 24 VDC
2 M / 24 VDC
3 Functional Earth
4 L+ / 24 VDC Sensor Out --
5 M / 24 VDC 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
①
②
Note: X11 connectors must
be gold. See Appendix C,
Spare Parts for order
number.
X11 (gold)
2 M
AI 0
AI 1
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S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
24 VDC Sensor Power
Out
For additional noise
immunity, connect "M" to
chassis ground even if
not using sensor supply.
For sinking inputs,
connect "-" to "M"
(shown).
For sourcing inputs,
connect "+" to "M".
X12
3L+
3M
DQ a.0
DQ a.1
DQ a.2
DQ a.3
DQ a.4
DQ a.5
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