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+--- Thread: Modbus CRC mistake (/showthread.php?tid=7370)
Modbus CRC mistake - jltluc57 - 01-14-2025
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
RE: Modbus CRC mistake - admin - 01-14-2025
if you want your command to board, whether have correct feedback?
RE: Modbus CRC mistake - jltluc57 - 01-14-2025
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
RE: Modbus CRC mistake - admin - 01-14-2025
which kincony board model you are using? we will have a test.
RE: Modbus CRC mistake - jltluc57 - 01-15-2025
KC868-A16
RE: Modbus CRC mistake - admin - 01-15-2025
ok, sorry, we will update it. thanks for feedback.
RE: Modbus CRC mistake - jltluc57 - 01-17-2025
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