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Hi, Thank you very much for the suggestions. I'll try it out

Hi, Thanks again, I'll try to change registers.

Hi, After deleting the old files and again creating a new modbus device, I got a different error message. Different from "tree not clean" Possibly there are missing steps in my procedure or settings that needs to be configured.

Hi, Thank you so much for the suggestions. Most of the options shown is not available, so I also searched in AI I'll start all over again. I deleted all the files under treemon.exe related to rex640. I'll update you if it is successful.

Thank you very much for your assistance. Atleast now I know that thr REX640 modbus communication is ok.

Hello, None under the "Communication Diagnostics". There's a great possibility that REX640 is not yet ready for modbus communication. But I don't know how to confirm this.

Hello,

Kindly see photos below, thank you.

Hi, Thank you for the reply, kindly see attached photos for the modbus poll settings.

Hi, I also tried this method but it does not allow me to add modbus register. The "add" button is not enabled, I don't know if the meter already maximized the number of modbus registers.

Thank you for the input.

Hi, Thanks, I can also try this.

Hi, Thank you for the response, the configuration for ion 7550 does not have the selection option. Another meter we have is PM8240, it has that selection page. Is there other way to activate or enable the digital input in ion 7550 so that it can be linked to the Vista for circuit breaker status?

Hi, Thank you very much, I wouldn't have known that I may be in the wrong ethernet port without your assistance.

Thank you.

Hi, I was on the wrong ethernet port, so now I'm connected. The issue now is the modbus address. I see the address in the modbus, but how can I use this address to create a driver so that I can remotely operate the REX640 and know its status. Also how to know the address in the rex640's...

Thank you very much.