Mitsubishi FX1N-422-BD User manual

HARDWARE MANUAL
FX1N SERIES PROGRAMMABLE CONTROLLERS

FX1N Series Programmable Controllers
Foreword
• This manual contains text, diagrams and explanations which will guide the reader in the correct installation
and operation of the FX1N Series Programmable Controllers. It should be read and understood before
attempting to install or use the unit.
• Further information can be found in the FX Series Programming Manual II.
• If in doubt at any stage of the installation of an FX1N Series Programmable Controller 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 FX1N Series Programmable Controller please consult the nearest
Mitsubisi Electric distributor.
• This manual is subject to change without notice.

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FX1N Series Programmable Controllers
Hardware Manual
FX1N Series Programmable Controllers
Manual number :JY992D89301
Manual revision :E
Date :January 2001

FX1N Series Programmable Controllers
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Guidelines for the safety of the user and protection of the FX1N.
This manual provides information for the installation and use of the FX1N. The manual has
beenwrittentobeusedbytrainedandcompetentpersonnel.Thedefinitionofsuchaperson
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 the said
product. All maintenance should be carried out in accordance with established safety
practices.
c) All operators of the completed product should be trained to use that product in a safe
and co-ordinated 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
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
Software warning
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.
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
of.
6) Indicates a point of interest or further explanation.

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• Under no circumstances will Mitsubishi Electric be liable or 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.
Associated Manuals
The following manuals are recomended as esential reference material for the correct operation
of a FX1N series Programmable controller.
Manual Name Manual Number Description
FX Programming Manual II JY992D88101 Programming manual for FX1S, FX1N, FX2N and
FX2NC series Programmable Logic Controllers
FX1N-422-BD Users JY992D84101 Instruction regarding the RS422 interface board
FX1N-485-BD Users JY992D84201 Instruction regarding the RS485 interface board
FX1N-232-BD Users JY992D84401 Instruction regarding the RS232 interface board
FX1N-8AV-BD JY992D84601 Instruction regarding the variable potentiometer input
board
FX1N-CNV-BD JY992D84701 Instruction regarding the special adapter board
FX1N-5DM Users JY992D84901 Instruction regarding the display module 5DM

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Table of Contents
Guideline..............................................................................................ii
1. Introduction............................................................................................1-1
1.1 World Specification..............................................................................................1-6
1.2 Model Name ........................................................................................................1-7
1.3 Serial Numbers ...................................................................................................1-8
1.4 Configuration .......................................................................................................1-9
1.4.1 Input/Output Points and Current Consumption .......................................................1-11
1.4.2 Rules of Expansion .................................................................................................1-13
1.5 Back up Data.....................................................................................................1-14
1.5.1 EEPROM backup ....................................................................................................1-14
1.5.2 Capacitor backup ....................................................................................................1-14
2. Terminal layouts....................................................................................2-1
2.1 AC Powered Main Units ......................................................................................2-1
2.2 DC Powered Main Units ......................................................................................2-3
2.3 FX2N and FX0N Extension blocks .......................................................................2-6
FX1N Series Programmable Controllers

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3. Installation Notes...................................................................................3-1
3.1 Product Outline....................................................................................................3-2
3.2 FX1N RUN/STOP Control....................................................................................3-4
3.3 General Specifications.........................................................................................3-5
3.4 PLC Mounting Arrangements ..............................................................................3-6
3.5 DIN Rail Mounting ...............................................................................................3-7
3.6 Direct Mounting ..................................................................................................3-8
3.7 Termination at Screw Terminals........................................................................3-10
3.8 Wiring Techniques.............................................................................................3-11
3.9 Installing Optional Units.....................................................................................3-12
3.9.1 Special Function Boards .........................................................................................3-12
3.9.2 FX1N-5DM Display Module.....................................................................................3-13
4. Power Supply........................................................................................4-1
4.1 Wiring Techniques...............................................................................................4-1
4.2 Wiring Cautions ...................................................................................................4-1
4.3 Power Supply ......................................................................................................4-1
4.4 Power Requirements..........................................................................................4-2
4.5 Example Wiring ...................................................................................................4-3
4.5.1 AC Power supply.......................................................................................................4-3
4.5.2 DC Power supply.......................................................................................................4-4
4.6 Service Power supply..........................................................................................4-6
4.7 Earthing / Grounding ...........................................................................................4-6

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5. Inputs.....................................................................................................5-1
5.1 24V DC input Specifications................................................................................5-1
5.1.1 Typical Wiring............................................................................................................5-2
5.1.2 Input Circuit Connection............................................................................................5-3
5.1.3 Diodes and Inputs Connected in Series....................................................................5-4
5.1.4 Resistors and Inputs Connected in Parallel ..............................................................5-5
5.2 AC110V Input Extension Block............................................................................5-6
5.2.1 Input Circuit Connection............................................................................................5-6
5.2.2 Programming Caution ...............................................................................................5-7
6. Outputs..................................................................................................6-1
6.1 Output Specifications...........................................................................................6-1
6.1.1 Relay Output Example ..............................................................................................6-2
6.1.2 Reliability Tests .........................................................................................................6-3
6.1.3 Response Times .......................................................................................................6-3
6.1.4 Transistor Output Example........................................................................................6-4
6.1.5 Japanese Model Transistor Output ...........................................................................6-4
6.2 Applying Safe Loads............................................................................................6-5

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7. Diagnostics............................................................................................7-1
7.1 Preliminary Checks..............................................................................................7-1
7.2 ERROR LED ON (CPU ERROR) ........................................................................7-2
7.3 Common Errors ...................................................................................................7-3
7.4 Maintenance........................................................................................................7-3
7.5 Operation and Error Flags...................................................................................7-4
7.6 PLC Status Registers .........................................................................................7-5
7.7 Error Registers ....................................................................................................7-6
7.8 Error Codes .........................................................................................................7-7
7.9 Instruction List .....................................................................................................7-8
7.10 Device List ........................................................................................................7-11