Slot Numbers For S7 Modules - Siemens SIMATIC S7-300 Hardware And Installation Manual

Table 5-4
Slot number
1
2
3
4
5
6
7
8
9
10
11
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01

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
Module
–
–
To the right of the CPU
To the right of the CPU or IM
–
–
–
–
–
–
–
Installation
Remarks
5-9