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Topic: modbus (Read 1 time) previous topic - next topic


has anyone tried to communicate with an arduino using ModBus or TCP/IP?  Are there protocols for this already?


I have never used ModBus, but there are plenty of ethernet shields avaliable for use with the arduino, it would just be a case of making them output the data you need, the TCP-IP stack should be included in the shield itself, so it is just a case of making the data become ModBus compatible.


There is a MODBUS master implementation:  http://arduino.cc/playground/Code/ModbusMaster

I didn't look super hard, but Google seems to know quite a a lot about "arduino modbus"


I am using it alot
my work is based of modbusmq


however i found a small bug with using IP address containing zeros (
to fix find any strncpy in the code and replace with memcpy

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