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Can't connect to plc with pgm2 trough mpi.

11/11/2010 4:00 PM	Rate (0)
Jitze Posts: 1 Rating: (0)	I can't connect with a siemens s7 plc (on a 840D control) with our Simatic field PG M2 When i try to connect the S7 software is displaying the next fault " Link status ds: Communications processor not in PROFIBUS ring. Possible cause: The communications module is waiting for another master on the bus and the wait time has expired. (Please check the setting "PG/PC is the only master on the bus" in the Properties - PROFIBUS tab in <Set PG/PC Interface> " I tried to change the master on the bus, after that Error 0x031a: No active PROFIBUS/MPI network found. If you want the CP of this PC to be the only active module (for example in DP master mode), the setting <PG/PC is the only master on bus> must be activated. When i change the baudrate from 1,5mbps to 187,5 the software is displaying Error 0x0313: Transmission rate does not match network transmission rate or wrong interrupt It always worked, only after an siemens-update this problem occured. Does anyone knows a solution for this problem?
Jitze Posts: 1 Rating: (0)
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11/11/2010 7:09 PM	Rate (0)
umencho Diamond Expert Joined: 3/21/2006 Last visit: 3/14/2025 Posts: 10239 Rating: (1183)	Hello, Perhaps this link might help: http://support.automation.siemens.com/WW/view/en/11492532 Best regards, Hristo Mihalev

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