Siemens CPU 313C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
5-25
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Numerous output modules require an additional load voltage for switching control
devices.
The table below shows how to connect the load voltage reference potential M
external
for the various configuration versions.
Table 5-9 Connection of the load voltage reference potential
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grounded Connect M
external
with M
on the CPU
Connect or do not connect
M
external
to the common
grounding line
-
ungrounded Connect M
external
with M
on the CPU
Connect or do not connect
M
external
to the common
grounding line
Ungrounded
installation with
CPU31xC not possible

Siemens CPU 313C Specifications

General

MPI Interface	Yes
Number of digital inputs	24
Number of digital outputs	16
Number of analog inputs	4
Number of analog outputs	2
Supply voltage	24 V DC
High-speed counters	Yes
Bit Operations Execution Time	0.1 µs
Word Operations Execution Time	0.2 µs
Power Consumption	5 W
Dimensions (W x H x D)	40 x 125 x 130 mm
Operating Temperature	0 to 60 °C
Communication Interfaces	MPI
Programming Languages	LAD, FBD, STL
Product type designation	CPU 313C
Weight	490 g