Siemens CPU 313C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
6-6 A5E00105492-03
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1. When you mount the rails, allow sufficient space for mounting modules and heat
elimination (at least 40 mm above and below the modules. See the figure
below).
2. Mark up the mounting holes on the mounting surface. Drill the holes to a
diameter of 6.5
+0,2
mm.
3. Screw on the rail (M6 screws).
1RWH
Take care to create a low-impedance connection between the rail and a
mountin
g
surface which is a
g
rounded metal plate or equipment mountin
g
plate.
In the case of varnished or anodized metals, for instance, use a suitable
contacting agent or contact washers.
20
mm
SIEMENS
40 mm
40 mm
20
mm
Figure 6-2 Free space required for an S7-300 installation

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