Labeling The Modules - Siemens Simatic S7-300 CPU 31xC Series Installation And Operating Instructions Manual

5.4

Labeling the modules

Slot numbers Assignment
You should assign a slot number to each one of the mounted modules, thus making it easier
to assign the modules in the configuration table in STEP 7. The table below shows the slot
number assignment.
Table 5-4
Slot number
1
2
3
4
5
6
7
8
9
10
11
S7-300, CPU 31xC and CPU 31x: Installation
Operating Instructions, Edition 08/2004, A5E00105492-05
Slot numbers for S7 modules
Module
Power supply (PS)
CPU
Interface module (IM)
1. Signal module (SM)
2. Signal module (SM)
3. Signal module (SM)
4. Signal module (SM)
5. Signal module (SM)
6. Signal module (SM)
7. Signal module (SM)
8. Signal module (SM)
Installing
5.4 Labeling the modules
Comment
–
–
to the right of the CPU
to the right of the CPU or IM
–
–
–
–
–
–
–
5-9