Slot Numbers For S7 Modules - Siemens CPU 313C Hardware And Installation Manual

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After installation, you should assign a slot number to each module. This makes it
easier to assign the modules in the configuration table in 67(3 . The table below
shows the slot number assignment.
Table 6-4
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1
2
3
4
5
6
7
8
9
10
11
S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03

Slot numbers for S7 modules

Power supply (PS)
CPU
Interface module (IM)
1st signal module
2nd signal module
3rd signal module
4th signal module
5th signal module
6th signal module
7th signal module
8th signal module
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–
–
To the right of the CPU
To the right of the CPU or IM
–
–
–
–
–
–
–
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6-9