Siemens SIMATIC MOBY D - Secondary Fields

Write/read devices with RS422 interface
7.4 SLG D12S
MOBY D
System Manual, 01/2010, J31069-D0147-A6-7618
189
7.4.6 Secondary fields
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Figure 7-5 MDS shielding
To avoid undesired reading of the MDS outside the main field, the MDS must be shielded.