ERROR 139: Communication error

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Error handlingET/MT-3x6, ET/MT-2x8 series error messagesError Messages of Individual DriversModbusTCP Server (Slave)ERROR 139: Communication error

 

The part supplementary data of the Communication error message is empty.

 

The label's meaning is following:

ERROR 139: Communication error

Label

Meaning

A

Time limit elapsed without receiving of any correct request telegram

B

Timeout of sending response

C

Timeout of waiting for send to complete

D

Timeout of receiving request body

E

Timeout of receiving request prefix

 

 

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