J2Mod - I/O exception - failed to read

Question

I am using for J2Mod java jar for my project. I am connected with the device through comport but, neither able to read nor write data into the device. Both time when I am tr

Answer 1

Thanks! all those who participated in this question.

Now, Let me explain, why I was getting this error.

Everything is fine with code except the unitid. unitid is nothing but slave address only. In my case slave address was 5.