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3.2 Detecting the configuration variant by means of the IM 153-2
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
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3.2 Detecting the configuration variant by means of the IM 153-2
During start-up, the IM 153-2 automatically detects which structure variant (ET 200M or
DP/PA-link or Y-link) it is being used in. The IM 153 2 determines its functionality in
accordance with this.
NOTICE
The following structure variants ("mixed structures") are not permissible:
• Input / output modules and coupler modules in one structure
• Bus modules BM 2 x 40 / BM 1 x 80 and BM DP/PA / BM Y coupler in one structure
3.3 Configuration possibilities for PROFIBUS DP
3.3.1 Distributed I/O with IM 153-1
The IM 153-1 is the interface module of the ET 200M for standard applications.
Sample Configuration
The following figure shows an example of an ET 200M with IM 153-1 and 4 I/O modules of
the S7-300 as a distributed I/O to a CPU 315-2 DP as a S7 DP master.
1
2
3
① CPU 315-2 DP as a DP Master
② IM 153-1
③ PROFIBUS DP
Figure 3-1 Distributed I/O with IM 153-1
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