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Hi IO_Rack,
A pleasant day to you, I hope I am not disturbing you on this weekend.
I have attached below the files I'm working with. Since the original program does not have any comments / tag, I am looking into the HMI plc addressing, to know which address the button is controlling. The address in the hmi is different with that of the plc. It might be what you have mentioned earlier, indirect addressing, to which I am still looking for reference on how to understand it.
There is another file, the upgraded CJ2M plc program, which I have converted from C200H into the newer CJ2M.
Appreciate it very much, if you could help me in understanding the addressing in the ht21 hmi, or point me in a reference manual/pdf/link.
Thank you again for your time.
Cheers.