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mulderm

Problem with masters on PPI-network

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Hello, I have a PPI-network with a laptop with Microwin software and a Siemens S7-222 plc and an operator panel ESA VT150W. Problem is when I will going online with the plc I get a message: MASTERS EXIST ON THE PROFIBUSNETWORK AND THE CURRENT DEVICES DOES NOT SUPPORT MASTERS. TRY AGAIN AFTER SELECTING A MULTI-MASTER DEVICE. So I can´t go online on the network. When I will disconnected the operator panel then I can online with the plc. But this is not the way. Who can help me? Greetings, mulderm

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Check the switch settings on your cable. If you're using the new cable (part number ends in 30) you might need to change a switch setting, as this cable supports multi-master. If it's the older cable you might want to check the switches as well.

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Crossbow, I have the PC/PPI cable 1PGES7 901-3BF20-0XA0. Only the settings for the baudrate (dipswitch 1,2,and 3), 10 or 11 bit (dipswitch 4),DTE or DCE (dipswitch 5) are available. Is this what you mean? mulderm

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