ABB FENA-21 User Manual

98 Modbus/TCP – Communication protocol
Exception codes
The adapter module supports the Modbus exception codes shown
below.
Communication profiles
Modbus is an application layer messaging protocol. It describes
how data is transferred between the client and a server, but not the
meaning of that data. Communication profiles are used to define
the meaning of the data.
Exception
Code
Name Description
01h ILLEGAL FUNCTION The function code received in the
query is not an allowable action for
the server.
02h ILLEGAL DATA
ADDRESSS
The data address received in the
query is to an allowable address
for the server.
03h ILLEGAL DATA VALUE A value contained in the query data
field is not an allowable value for
the server.
04h SLAVE DEVICE
FAILURE
An unrecoverable error occurred
while the server was attempting to
perform the requested action.
06h SLAVE DEVICE BUSY The server is engaged in
processing a long-duration
command. The client should
retransmit the message later when
the server is free.

ABB FENA-21 Specifications

General

Product Type	Fieldbus Adapter
Supply voltage	24 V DC
Degree of protection	IP20
Type	FENA-21
Model	FENA-21
Manufacturer	ABB
Fieldbus protocol	EtherNet/IP

Summary

Modbus/TCP Protocol

Modbus/TCP – Start-up

Covers drive configuration and client setup for Modbus/TCP communication.

Modbus/TCP – Communication Profiles

Describes communication profiles used in Modbus/TCP between client, module, and drive.

Modbus/TCP – Communication Protocol

Explains the Modbus/TCP communication protocol for the adapter module.

Modbus/TCP – Diagnostics

Details fault tracing using status LEDs for Modbus/TCP communication.

EtherNet/IP Protocol

EtherNet/IP – Start-up

Covers drive configuration and client setup for EtherNet/IP communication.

EtherNet/IP – Communication Profiles

Describes communication profiles used in EtherNet/IP between client, module, and drive.

EtherNet/IP – Communication Protocol

EtherNet/IP – Diagnostics

PROFINET IO Protocol

PROFINET IO – Start-up

Covers drive and master station configuration for PROFINET IO communication.

PROFINET IO – Communication Profiles

PROFINET IO – Communication Protocol

PROFINET IO – Diagnostics

Technical Data

FENA-01/-11/-21 Enclosure

Ethernet Link Specifications

Appendix B: ABB IP Configuration Tool for FENA

Finding FENA Adapter Modules

Rewriting IP Configuration

Explains how to modify the IP configuration settings of adapter modules.

Appendix C: FENA Configuration Web Pages

Logging In to Web Interface

Web Interface Menu Overview

Status Page Information

Configuration Page Settings

Explains how to modify parameter settings in configuration groups A, B, and C.