Full Assembly Using Racks - Siemens CPU 313C Hardware And Installation Manual

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The figure shows the arrangement of modules in an S7-300 assembly on 4 racks.
4 4
3
2
1
PS
Figure 5-5 Full assembly using racks
 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.
5-10
SM1 SM2
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5
PS IM SM2
SM1
5
IM
PS SM1 SM2
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SM1
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IM SM2
CPU
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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
SM3 SM 4 SM5 SM6 SM7
SM3 SM 4 SM5 SM7
SM6
SM 4 SM5
SM3 SM6 SM7
SM3 SM 4 SM5 SM6 SM7
SM8
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SM8
SM8
SM8
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