Using Arduino nano to read serial data from FX 3G PLC (RS485) port we can't get actual data reading


using Arduino nano to read serial data from FX 3G PLC (RS485) port we can't get actual data reading

Maybe it helps others to help you if you at least post the sketch? Please use code tags as described in How to get the best out of this forum. A wiring diagram might also be useful.

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