User manual

Modbus/TCP 7-2

Supported Exception Codes

An exception code is returned in the response when the BridgeWay is unable to

service the Modbus request that was received. The following exception codes will

be used by the BridgeWay.

Exception

Code

Name Description

01 Illegal Func-

tion

The module does not support the function

code in the query

02 Illegal Data

address

The data address received in the query is out-

side the initialized memory area

03 Illegal Data

Val ue

The data in the request is illegal

Table 7-2 Exception Codes