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Modbus 32-bit registers
#1
Hi

I got an Eaton nzm-xmc-tc-mb, this unit got a 32-bit register with High byte and low byte. I've never worked with this before so im having probles understanding how it works.

I think I understand the logic, but I got no idea how I should pull the data and write it.

Register manual (PDF document):
https://www.google.com/url?sa=t&rct=j&q=...NK7jSPWqJn

Can someone explain how this works and maybe give me a starter script to get me going?

Best regards
Marcus H
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#2
Hi
Just try RTU read test with int32 and see what you get. In Modbus this is normal that you read several registers for single value.
BR
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#3
You should create a profile instead of using scripts. See this thread for some examples: https://forum.logicmachine.net/showthread.php?tid=839
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#4
Hi,

Thanks Daniel, seems like i wasn't that far off after all. I keep getting this error, Resource temporarty unavailable. Is this an LM error or an device error?

I use script only when i want to read values for test, i find this much easier. When i get the values and understand the register i can, make my own register. Thanks for the link Smile
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#5
If you use RTU read test then you straight have all the parameters for profile, much simpler for me.
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