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nicepal

CJ1M xml communication

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Anyone here done any communication through Omron's PLC using xml to communicate with Host PC? I got a Customer enquiring on this, Transmit to and Receive from Host PC through Omron's CJ1M PLC using xml format.......

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you will need to program your PLC to communicate in a different protocol, for this you can either use CX-Protocol to compose your format (preferred solution), or use RXD-TXD instructions for free serial communications.

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Thanks Sparky. We tried checked withh the Vendor who also not very sure and cannot commit the feasibility. In the end, we proposed to link to Customer's Host PC through a PC where by PC will poll the data from PLC through that PLC. Reason being I have 3 PLC and also each PLC has 1~2 Barcode Reader that uses Ethernet protocol. Cost maybe be higher but I think as long I can link to PC, the rest of the issues leave it to PC to do the more difficult job.

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