Guest VIC Posted April 5, 2004 Report Posted April 5, 2004 HELLO!! I have a question About the Mitsubishi PLC Q type QJ71C24 and my machine communication problem Now my machine communication is MODBUS RTU_MODE Have any body can teach me how to write the communication program (gppw) or give me the demo program thank you very much ^^ Quote
maccxim Posted April 5, 2004 Report Posted April 5, 2004 I'm not sure but i think QJ71C24/N is not compatible with Modbus protocol. Only the old AnS serie series have a C24-S2 Modbus protocol compatible (slave module). May be possible in the future Mitsubishi will sell a new model of QJ71C24 bye Max Quote
Guest IanJ Posted April 5, 2004 Report Posted April 5, 2004 Hi, We use Mits serial modules and our own custom protocol. I can't offhand see any problem with implementing your own MODBUS protocol rather than expecting the module to support it directly itself. Just a thought. Ian. Quote
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