Siemens CPU 312C Hardware And Installation Guide

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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
5-10 A5E00105492-03
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The figure shows the arrangement of modules in an S7-300 assembly on 4 racks.
IM
IM
CPU
PS
SM1
SM2
SM3
SM 4
SM5
SM6
SM7
SM8
PS
PS
4
3
2
1
5
4
5
5
6
SM1
SM2
SM3
SM 4
SM5
SM6
SM7
SM8
SM1
SM2
SM3
SM 4
SM5
SM6
SM7
SM8
SM1
SM2
SM3
SM 4
SM5
SM6
SM7
SM8
IM
IM
IM
IM
Figure 5-5 Full assembly using racks
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 Rack 0 (central unit)
 Rack 1 (expansion module)
 Rack 2 (expansion module)
 Rack 3 (expansion module)
 Connection cable 368
 Restriction for CPU 31xC: when this CPU is used, you must not insert Signal Module 8 on Rack 4.

Siemens CPU 312C Specifications

General

Brand	Siemens
Model	CPU 312C
Category	Processor
Language	English