Mpi/Profibus Dp Addresses - Siemens CPU 313C Hardware And Installation Manual

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To ensure that all nodes can intercommunicate, you must assign them an address:
• In the MPI network: an "MPI address"
• In the PROFIBUS DP network: a "PROFIBUS DP address"
On the PG you can specify individual MPI/PROFIBUS addresses for each one of
the nodes (on some of the PROFIBUS DP slaves this is also possible per selector
switch).
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The table below shows you the factory setting of the MPI/PROFIBUS DP
addresses and the highest default MPI/PROFIBUS DP addresses for the devices.
Table 5-14
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CPU
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Note the following rules before assigning MPI/PROFIBUS addresses:
• All MPI/PROFIBUS addresses in a subnet must be unique.
• The highest MPI/PROFIBUS address must be ≥ of the physical
MPI/PROFIBUS address, and it must be identical for each node. (Exception:
Connecting a PG to multiple nodes; refer to the next Chapter).
S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03

MPI/PROFIBUS DP addresses

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1 32
2 32
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126
126
126
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5-33