Hello People, I'm trying to use Modbus to send some information to the KepWare (OPC server). and it's easy if i use variables type "int" or "char". But i need to send one "int" and one string with 10 char. I made some testes and using a holding register i can send just one char... Mb.R[0] = mySt…

Arduino Modbus

Juraj October 1, 2017, 7:47pm 2

one char is 8 bits, one register is 16 bits. you need 5 registers for 10 chars.

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