Mitsubishi Electric FX2N-485-BD Manuale utente
FX2N-485-BD COMMUNICATION BOARD
USER'S MANUAL
HEAD OFFICE: MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100 TELEX: J24532 CABLE MELCO TOKYO
HIMEJI WORKS: 840, CHIYODA CHO, HIMEJI, JAPAN
FX
2N
-485-BD COMMUNICATION BOARD
USER'S MANUAL
JY992D66201A
(MEE 9706) Effective JUN. 1997
Specifications are subject
to change without notice.
FX
2N
-485-BD COMMUNICATION BOARD
Foreword
•This manual containstext, diagrams and explanations which will guide the reader in thecorrect installation and operation
of the FX2N-485-BD COMMUNICATION BOARD. It should be read and understood before attempting to install or use the
unit.
Further information can be found in the FX PROGRAMMING MANUAL, FX2N series hardware manuals and manual of
FX-485PC-IF USER’S MANUAL.
•If in doubt at any stage during the installation of the FX2N-485-BD COMMUNICATION BOARD always consult a
professional electrical engineer who is qualified and trained to the local and national standards.
FX
2N
-485-BD COMMUNICATION BOARD
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.
Owing to the very great variety in possible application of this equipment, you must satisfy yourself as to its suitability for
your specific application.
FX
2N
-485-BD COMMUNICATION BOARD
USER’S MANUAL
FX2N-485-BD COMMUNICATION BOARD
Manual number: JY992D66201
Manual revision: A
Date: JUNE 1997
FX
2N
-485-BD COMMUNICATION BOARD
i
Guidelines for the safety of the user and protection of the FX2N-485-BD COMMUNICATION BOARD.
This manual provides information for the installation and use of the FX2N-485-BD COMMUNICATION BOARD. 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 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 the said product. All
maintenance should be carried out in accordance with established safety practices.
c) All operators of the compliance product should be trained to use that product in a safe and coordinated manner in
compliance to established safety practices. The operators should also be familiar with all 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.
FX
2N
-485-BD COMMUNICATION BOARD
ii
Note’s on the symbology 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 the 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 POSSIBLY cause physical and property damage.
3) Indicates a point of further interest or further explanation.
Software warnings
4) Indicates special care must be taken when using this element of software.
5) Indicates a special point of which the user of the associate software element should be aware.
6) Indicates a point of interest or further explanation.
FX
2N
-485-BD COMMUNICATION BOARD
iii
CONTENTS
1. INTRODUCTION ..................................... 1-1
1.1 External Dimensions .................................. 1-2
1.2 System Configuration .................................. 1-3
1.2.1 When Use No Protocol or Dedicated Protocol ..................... 1-3
1.2.2 When Use Parallel Link ................................ 1-3
1.2.3 When Use N:N Network ................................ 1-4
2. MOUNTING AND WIRING ................................ 2-1
2.1 Mounting Procedure ................................... 2-1
2.2 Cable and Terminal Resistor .............................. 2-2
2.2.1 Cable .......................................... 2-2
2.2.2 Selection of Wiring ................................... 2-3
2.2.3 Terminal Resistor ................................... 2-4
2.2.4 Two-pair Wiring .................................... 2-5
2.2.5 One-pair Wiring .................................... 2-6
3. SPECIFICATION ..................................... 3-1
3.1 General Specification .................................. 3-1
3.2 Power Supply Specification ............................... 3-1
3.3 Specification ....................................... 3-1
4. COMMUNICATION FORMAT ............................... 4-1
4.1 Related Flag and Data Registers ............................ 4-1
4.2 Communication Format D8120 ............................. 4-2
4.2.1 Example Program of Setting .............................. 4-4
FX
2N
-485-BD COMMUNICATION BOARD
iv
5. RS EXAMPLE PROGRAM ................................5-1
5.1 Printer ..........................................5-1
5.1.1 System Configuration ..................................5-1
5.1.2 Communication Format .................................5-2
5.1.3 Example Program (1) ..................................5-3
5.2 Personal Computer ...................................5-4
5.2.1 System Configuration ..................................5-4
5.2.2 Communication Format .................................5-5
5.2.3 Example Program (2) ..................................5-6
6. PARALLEL LINK ......................................6-1
6.1 Parallel Link .......................................6-1
6.2 Outline ..........................................6-1
6.2.1 Normal Mode (Special auxiliary relay M8162: OFF) ..................6-2
6.2.2 High Speed Mode (Special auxiliary relay M8162: ON) ................6-2
6.3 Example Program (3) ..................................6-3
6.3.1 Normal Mode ......................................6-3
6.3.2 High Speed Mode ...................................6-4
7. N:N NETWORK ......................................7-1
7.1 Outline ..........................................7-1
7.2 Related Flags and Data Registers ............................7-2
7.2.1 Special Auxiliary Relays ................................7-2
7.2.2 Special Data Registers .................................7-3
7.3 Setting ..........................................7-4
FX
2N
-485-BD COMMUNICATION BOARD
v
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