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4/10/2014 1:58 PM | |
Posts: 51 Rating: (1) |
Hello Again, I have purchased RS-485 to USB convertor whose data sheet i have attached. I have the following 1) Modbus library 2) CPU-224 3) Modscan32 software 4) ppi-cable for program download & 5) Above said cable (convertor) for communication betn PLC and Modscan32 software. The convertor has 2 wires, as per the data-sheet Red wire is "SG+" & Green wire is "SG-" (for the same i have attached image of it) My question is now to which pin number (port-0 of cpu-224) should i connect which wire in order to read and write data of plc via modscan32 using modbus protocol. Please reply AttachmentNew Folder.zip (153 Downloads) |
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