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Connecting
4.8 Connecting PROFIBUS/MPI
Example
This illustration below shows an example configuration of a subnet with SIMOTION D410-2 DP.
Figure 4-8
4.8.7
Operating interface X21 as an MPI
Applications
The X21 interface can also be operated as an MPI interface instead of a PROFIBUS DP
interface. The typical (default) baud rate is 187.5 Kbaud. A baud rate of up to 12 MBaud can
be set for communication with other CPUs. It should be noted, however, that a rate of 12 MBaud
is not supported by all CPUs (e.g. smaller SIMATIC S7 CPUs).
The following list provides examples of when using MPI (multi-point interface) may prove
effective:
● If a PC/PG is being used with an MPI interface
● If an OP/TP only has an MPI interface
(newer devices have PROFIBUS or PROFINET interfaces)
● If SIMOTION and SIMATIC CPUs are coupled via XSEND/XRECEIVE
66
Networking example of SIMOTION D410-2 DP
Commissioning and Hardware Installation Manual, 01/2015
SIMOTION D410-2
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