ERROR 139: Communication error

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Error handlingET/MT-3x6, ET/MT-2x8 series error messagesError Messages of Individual DriversModbus RTU MasterERROR 139: Communication error

 

The part supplementary data of the Communication error message is like this:

 

-<direction>-<station>

 

The label's meaning is following:

ERROR 139: Communication error

Label

Meaning

A

The exception response telegram was not received completely

B

The station number in the received response is not equal to the station number in the sent request, or the size of the response telegram does not fit

C

Only less than 3 characters of the response telegram were received

 

 

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