Full Assembly Using Racks - Siemens S7-300 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
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

Limitation for the CPU 314 IFM. when this CPU is used, you must not insert Signal
Module 8 on Rack 4.
S7-300 Automation System, Hardware and Installation: CPU 312IFM - 318-2 DP
A5E00203919-01
SM1 SM2
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SM1
5
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PS SM1
IM
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SM1
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CPU
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SM2 SM3 SM 4 SM5 SM6
SM2 SM3 SM 4 SM5 SM6
SM2 SM3 SM 4 SM5 SM6
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SM7 SM8
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SM7 SM8
SM7 SM8
SM7 SM8
5-11