Installation
4.2 Installation
ET 200M
68 Operating Instructions, 12/2008, EWA-4NEB780600602-08
4.2.5 After installation
Assign slot numbers
After installation you can assign a slot number to each module, and this makes it easier to
assign the modules to the configuration table in
STEP 7
or in
COM PROFIBUS
. The
following table illustrates the assignment of the slots.
Table 4- 4 Slot numbers for S7 modules
Slot number Module Remark
1 Power supply (PS)
1
–
2 IM 153-x –
3 – inapplicable
4 1. S7-300 module right alongside the IM 153-x
5 2. S7-300 module –
… … –
11 8. S7-300 module –
1
The use of the power supply is optional.
Unoccupied slots
If, in a configuration of an ET 200M with active bus modules, slots are unoccupied (e.g.
reserved for later use), then you must leave these slots free in the configuration in
STEP 7
or
COM PROFIBUS
!
Attaching slot numbers
The following figure shows how you must attach the slot numbers. The slot number plates
are provided with the IM 153-x.
(7
Figure 4-3 Attach the slot numbers to the modules.
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