ERROR 139: Communication error

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Error handlingET/MT-3x6, ET/MT-2x8 series error messagesError Messages of Individual DriversAllen Bradley-DH-485ERROR 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

Error when reading an acknowledge of the sent token

B

The PLC is busy

C

Communication error

D

I/O error

E

Timeout of waiting for a token

 

 

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