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Line 3: It is used for connecting the stations programming (PG or [[Compatible PC \| PC]]), operators consoles, and other devices in the SIMATIC family. This technology has inspired the development of [[protocol]] [[Profibus]]. The MPI is based on the [[standard]] [[EIA-485]] (formerly RS-485) and works with a speed of 187.5 [[Baud ~~(mesure)~~ \| kBd]]. The [[network]] MPI must have [[resistor \| resistance]] s of the end of the line generally included in the [[connector]] s and activated by a simple lever.

Multi-Point Interface: Difference between revisions