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I have a sa85 via a D9pin cable to option adapter (Modbus+). I can check the address of sa85 and the PLC address in demo. But while in Concept, online and connect, it has error OL9-11575. I have added mpb0=5c in modicon.ini, and checked the 16-bit in virtual driver. The light in processor adapter never flashes. What's the reason? Thanks for your help.
