Cpu 1212C Wiring Diagrams - Siemens SIMATIC S7-1200 System Manual

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Table of Contents

Technical specifications

A.5 CPU 1212C

CPU 1212C wiring diagrams

CPU 1212C AC/DC/Relay (6ES7212-1BE40-0XB0)

Connector pin locations for CPU 1212C AC/DC/Relay (6ES7212-1BE40-0XB0)

L1 / 120-240 V AC

N / 120-240 V AC

Functional Earth

L+ / 24 V DC Sensor

M / 24 V DC Sensor Out --

Note 1: X11 connectors must

be gold. See Appendix C,

Spare Parts for article num-

Note 2: Either the L1 or N

(L2) terminal can be con-

nected to a voltage source

up to 240 V AC. The N ter-

minal can be considered L2

and is not required to be

grounded. No polarization is

required for L1 and N (L2)

Note 3: See Device Configu-

ration (Page 153) for infor-

mation about the Ethernet

port of the CPU.

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK

24 V DC Sensor Power

For additional noise

immunity, connect "M" to

chassis ground even if

not using sensor supply.

For sinking inputs, con-

nect "-" to "M" (shown).

For sourcing inputs,

connect "+" to "M".