Siemens S7-1200 - Page 856

Technical specifications
A.3 CPU 1212C
S7-1200 Programmable controller
856 System Manual, 03/2014, A5E02486680-AG
Table A- 45 CPU 1212C DC/DC/DC (6ES7-212-1AE40-0XB0)
①
24 VDC Sensor Power
Out
For additional noise
immunity, connect "M" to
chassis ground even if
not using sensor supply.
②
For sinking inputs,
connect "-" to "M"
(shown).
For sourcing inputs,
connect "+" to "M".
Note: X11 connectors must
be gold. See Appendix C,
Spare Parts for order
number.
Table A- 46 Connector pin locations for CPU 1212C DC/DC/DC (6ES7 212-1AE40-0XB0)
Pin
X10
X11 (gold)
X12
1
L+ / 24 VDC
2 M
3L+
2
M / 24 VDC
AI 0
3M
3
Functional Earth
AI 1
DQ a.0
4
L+ / 24 VDC Sensor Out
--
DQ a.1
5
M / 24 VDC Sensor Out
--
DQ a.2
6
1M
--
DQ a.3
7
DI a.0
--
DQ a.4
8
DI a.1
--
DQ a.5
9
DI a.2
--
--
10
DI a.3
--
--
11
DI a.4
--
--
12
DI a.5
--
--
13
DI a.6
--
--
14
DI a.7
--
--
Note
Unused analog inputs should be shorted.