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Idec Pentra and modbus
Ok I figured out why I was timing out, I was using the wrong setting on my cable. Thank you danw2 for explaining about the two leading digits, my manual mentioned nothing about them being the command code. I can now successfully query my PLC with Modscan32.- thejoker954
- Post #3
- Forum: Programmable logic controllers (PLC)
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Idec Pentra and modbus
Hi I am trying to get modbus RTU working with my Idec pentra (FC5A)but I'm having a few problems. My biggest is that the modbus address for my data registers are bigger than any simulator takes i.e. modscan32. for example i want to read register d7555 which modbus address is 407556 according...- thejoker954
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- Replies: 2
- Forum: Programmable logic controllers (PLC)
