Mitsubishi Electric FX2N-32CAN User manual

HARDWARE MANUAL
FX2N-32CAN Communication Module

FX2N-32CAN Communication Module
Foreword
•This manual contains text, diagrams and explanations which will guide the reader in the correct installation
and operation of the communication facilities of the FX2N-32CAN module.
•Before attempting to install or use the communication facilities of the FX2N-32CAN module, this manual and
FX2N-32CAB User’s Manual should be read and understood.
•If in doubt at any stage of the installation of the communication facilities of the FX2N-32CAN module always
consult a professional electrical engineer who is qualified and trained to the local and national standards
which apply to the installation site.
•If in doubt about the operation or use of the communication facilities of the FX2N-32CAN module please
consult the nearest Mitsubishi Electric distributor.
•This manual is subject to change without notice.

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FX2N-32CAN Communication Module
Hardware Manual
FX2N-32CAN Communication Module
Manual number : JY992D92901
Manual revision : B
Date : May 2003

FX2N-32CAN Communication Module
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Guidelines for the safety of the user and protection of the FX2N-32CAN
Communication Module.
This manual provides information for the use of the FX2N-32CAN Communication Module. The
manual has been written to be used by trained and competent personnel. The definition of
such a person or persons is as follows:
a) Any engineer who is responsible for the planning, design and construction of automatic
equipment using the product associated with this manual should be of a competent
nature, trained and qualified to the local and national standards required to fulfill that
role. These engineers should be fully aware of all aspects of safety with regards to
automated equipment.
b) Any commissioning or service engineer must be of a competent nature, trained and
qualified to the local and national standards required to fulfill that job. These engineers
should also be trained in the use and maintenance of the completed product. This
includes being completely familiar with all associated documentation for said product. All
maintenance should be carried out in accordance with established safety practices.
c) All operators of the completed equipment (See Note) should be trained to use that
product in a safe manner in compliance to established safety practices. The operators
should also be familiar with documentation which is connected with the actual operation
of the completed equipment.
Note : The term ‘completed equipment’ refers to a third party constructed device which
contains or uses the product associated with this manual.

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Note’s on the symbols used in this manual
At various times through out this manual certain symbols will be used to highlight points of
information which are intended to ensure the users personal safety and protect the integrity of
equipment. Whenever any of the following symbols are encountered its associated note must
be read and understood. Each of the symbols used will now be listed with a brief description of
its meaning.
Hardware warnings
1) Indicates that the identified danger WILL cause physical and property damage.
2) Indicates that the identified danger could POSSIBLY cause physical and property
damage.
3) Indicates a point of further interest or further explanation.
Software warning
4) Indicates special care must be taken when using this element of software.
5) Indicates a special point which the user of the associate software element should
be aware.
6) Indicates a point of interest or further explanation.

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• Under no circumstances will Mitsubishi Electric be liable responsible for any consequential
damage that may arise as a result of the installation or use of this equipment.
• All examples and diagrams shown in this manual are intended only as an aid to
understanding the text, not to guarantee operation. Mitsubishi Electric will accept no
responsibility for actual use of the product based on these illustrative examples.
• Please contact a Mitsubishi Electric distributor for more information concerning applications
in life criticatical situations or high reliability.

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Table of contents
Guideline ............................................................................................. iii
1. Introduction............................................................................................1-1
1.1 Features of the FX2N-32CAN Module.................................................................. 1-1
1.2 External Dimensions and Each Part Name ......................................................... 1-2
1.3 System configuration ........................................................................................... 1-4
1.4 Applicable PLC .................................................................................................... 1-4
2. Wiring ....................................................................................................2-1
2.1 Caution for Wiring................................................................................................ 2-1
2.3 Pin Configuration ................................................................................................. 2-2
3. Specifications ........................................................................................3-1
3.1 Environmental/Standards Specifications ............................................................. 3-1
3.2 Power Supply Specifications ............................................................................... 3-1
3.3 Performance Specifications................................................................................. 3-2
FX2N-32CAN Communication Module

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4. Buffer Memory Structure .......................................................................4-1
4.1 Basic Buffer Memory Structure, BFM #0 ~ BFM #31 .......................................... 4-1
4.2 Buffer Memory Functions .................................................................................... 4-2
4.2.1 Data Transfer Locations, BFMs #0~#19 and #100~#199 ......................................... 4-2
4.2.2 The Data Exchange Mode, BFM #20 ........................................................................ 4-2
4.2.3 Setting the Baud Rate, BFM #24............................................................................... 4-3
4.2.4 Reading the Communication Status, BFM #25 ......................................................... 4-4
4.2.5 The Watch Dog Timer Setting, BFM #26 .................................................................. 4-5
4.2.6 The Node Address, BFM #27.................................................................................... 4-5
4.2.7 Error Staus, BFM #29................................................................................................ 4-6
4.2.8 BFM Data Memory Backup ....................................................................................... 4-7
4.3 Extended BFM Structure, BFM #32 ~ BFM #32767 ............................................ 4-8
5. Module Parameterization and Configuration .........................................5-1
5.1 Factory Default Mapping/Mode 0 Mapping.......................................................... 5-3
5.2 Mode A Mapping ................................................................................................. 5-4
5.3 Mode B Mapping ................................................................................................. 5-5
5.3.1 Prepare the PDO Mapping Table .............................................................................. 5-6
5.4 PDO Mapping Table Overviews .......................................................................... 5-8
5.4.1 Tx-PDO Mapping Table............................................................................................. 5-8
5.4.2 Rx-PDO Mapping Table .......................................................................................... 5-10

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6. Diagnostics............................................................................................6-1
6.1 LED Status .......................................................................................................... 6-1
6.1.1 The Power LED ......................................................................................................... 6-1
6.1.2 The FROM/TO LED................................................................................................... 6-1
6.1.3 The RUN LED ........................................................................................................... 6-2
6.1.4 The Rx/Tx LED .......................................................................................................... 6-2
6.1.5 The ERROR LED ...................................................................................................... 6-3
7. Example Program..................................................................................7-1
7.1 SDO Write Command.......................................................................................... 7-2
7.2 Mode 0 Mapping Command ................................................................................ 7-4
7.3 Mode A Mapping Example .................................................................................. 7-5
7.4 Mode A Mapping with Node Start Up Command................................................. 7-6
7.5 Mode B Mapping Example with SDO Command................................................. 7-8
Appendix A:
Further Information Manual Lists.............................................................. A-1

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