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[Technical Inquiry] Reading modbus 4024

Reading modbus 4024

Hello, I am trying to read the 4024 through a PLC using modbus, I was able to modify the 4024 configuration, but I can't get the PLC to read it, the connection parameters have been checked and other alternatives have been tried. We have tried to read addresses 1 to 4 and 40001 to 40004. But we were unable to communicate. Any ideas?

B.R.

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What function code are you using?Have you tried using Modscan to test it?
http://www.win-tech.com/html/demos.htm

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