use modbus_tk as modbus slave for function code 43

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Feb 25, 2022, 3:41:33 AM2/25/22

to modbus-tk

hi all,

I tried to use the modbus_tk as the modbus slave to test the function code 43 / 14 (0x2B / 0x0E) Read Device Identification.

my master could send out the function code request succefully, but the response always shows as "illegal function"

did anyone faced the same issue ?

thanks

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