
Appendix A: Reference Guides
122 (124)
A.4
Modus Exception Codes
Exception Code
Name
Description
01
Illegal Function
The server does not recognize or permit the function code.
02
Illegal Data Address
The data address (register, discrete input or coil number) is not an
permitted address for the server.
If multiple registers were requested, at least one was not permitted.
Reference: MODBUS Application Protocol Specification V1.1b3, April 26 2012
For more information refer to the Modbus organisation website.
A.5
ASCII Table
Anybus
®
Communicator
™
User Manual
SCM-1202-152 1.10 en-US