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Modbus CRC mistake
#1
Hello,

I think there is an error in the Modbus document

The CRC is reversed, in the document is FA 3D for me is 3D FA

My tests for this example give me this

Regards
JL


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#2
if you want your command to board, whether have correct feedback?
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#3
Yes I have un good feed back
With my software the request 01 01 00 00 00 40 3D FA

the answer is good, for all interface DI DO, ADDC

The mistake is only on the document, Friday I will send you a screen copy
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#4
which kincony board model you are using? we will have a test.
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#5
KC868-A16
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#6
ok, sorry, we will update it. thanks for feedback.
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#7
No probleme

first picture the software ok with 8 input --> calculation CRC ok by my soft .
second the same software with 64 input --> calcul crc ok , mistake on the documentation.

Regards


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