Siemens Micromaster Profibus, Инструкция по эксплуатации

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PROFIBUS Optional Board Operating instructions
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The PROFIBUS connection is on the bottom edge of the board housing.
4 5
1 2
4 PROFIBUS interface
5 Local 24 V connection
Fig. 4-2 PROFIBUS connection on communication board
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The communication board is normally supplied by the mains supply to the
converter.
The PROFIBUS communication board has its own separate 24 V supply
connection, thereby allowing the communication board and converter electronics to
operate independently of the converter mains supply (board is still capable of
communicating even when the converter power supply is switched off).
Terminal markings:
½
1 – +24 V
½
2 – 0 V