Siemens CPU 313C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
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1. Cut the 2 m rail to the required length.
2. Mark out:
– four bores for the fixing screws (for dimensions refer to "Dimensions for
fixing holes")
– one hole for the protective conductor bolt.
3. If the length of your rail exceeds 830 mm, you must stabilize it by providing
additional holes for fixing it with more screws.
Mark out these holes along the groove in the middle section of the rail (see the
Figure below). The pitch should be approx. 500 mm.
4. Drill the marked holes to a diameter of 6.5
+0.2
mm for M6 screws.
5. Attach an M6 screw for fixing the ground conductor.
3
4
5
2
1
Figure 6-1 Holes for mounting the 2 m rail
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 Hole for ground conductor screw
 Groove for drilling additional holes for mounting screws
 Hole for mounting screw
 Additional hole for mounting screw
 Hole for mounting screw
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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