6ES7972-0BA42-0XA0 - Siemens - Bus Connector, Profibus, RS485
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Eth-mpi Profibus To Profinet Ethernet Gateway Adapter For Siemens S7-200 S7-300/400 Plc 840d Replace Mpi Ppi Cp343cp341 Cp243 - Instrument Parts & Accessories - AliExpress
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