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FX

3UC

 (D,DSS) SERIES 

PROGRAMMABLE CONTROLLERS 

HARDWARE MANUAL

This manual describes the part names, dimensions, mounting,
cabling and specifications for the product. This manual is extracted
from FX

3UC

 Series User's Manual - Hardware Edition. Refer to

FX

3UC

 Series User's Manual - Hardware Edition details. Before use,

read this manual and manuals of relevant products fully to acquire
proficiency in the handling and operating the product. Make sure to
learn all the product information, safety information, and precautions.
And, store this manual in a safe place so that it can be taken out and
read whenever necessary. Always forward it to the end user.
Registration
The company name and the product name to be described in this
manual are the registered trademarks or trademarks of each
company.

Effective November 2007
Specifications are subject to change without notice.

© 

2007 Mitsubishi Electric Corporation

Safety Precaution

 (Read these precautions before use.)

This manual classifies the safety precautions into two categories: 

 and 

.

Depending on the circumstances, procedures indicated by 
may also cause severe injury.
It is important to follow all precautions for personal safety.

Certification of UL, cUL standards

The FX

3UC 

main units and input/output extension units/blocks

supporting UL, cUL standards are as follows:

UL, cUL file number :E95239
Models :

MELSEC FX

3U(C)

 series manufactured

FX

3UC

-

MT/D

FX

3UC

-

MT/DSS

Where 

 indicates:16,32,64,96

FX

3U

-232ADP(-MB)

FX

3U

-485ADP(-MB)

FX

3U

-4AD-ADP

FX

3U

-4DA-ADP

FX

3U

-4AD-PT-ADP

FX

3U

-4AD-TC-ADP

FX

3UC

-1PS-5V

Models :

MELSEC FX

2NC

 series manufactured

FX

2NC

-16EX(-DS)

FX

2NC

-32EX(-DS)

FX

2NC

-16EYT(-DSS) FX

2NC

-32EYT(-DSS)

FX

2NC

-16EX-T(-DS)

FX

2NC

-16EYR-T(-DS)

Manual Number

JY997D28601

Revision

B

Date

November 2007

Indicates that incorrect handling may cause
hazardous conditions, resulting in death or
severe injury.

Indicates that incorrect handling may cause
hazardous conditions, resulting in medium or
slight personal injury or physical damage.

STARTUP AND 
MAINTENANCE 
PRECAUTIONS

Do not touch any terminal while the PLC's power is on.
Doing so may cause electric shock or malfunctions.

Before cleaning or retightening terminals, cut off all phases of
the power supply externally.
Failure to do so may cause electric shock.

Make sure to connect the battery for memory backup correctly.
Do not charge, disassemble, heat, short-circuit, or expose the
battery to fire.
Doing so may rupture or ignite it.

Before modifying or disrupting the program in operation or
running the PLC, carefully read through this manual and the
associated manuals and ensure the safety of the operation.
An operation error may damage the machinery or cause accidents.

STARTUP AND 
MAINTENANCE 
PRECAUTIONS

Turn off the power to the PLC before attaching or detaching the
memory cassette. If the memory cassette is attached or
detached while the PLC's power is on, the data in the memory
may be destroyed, or the memory cassette may be damaged.

Do not disassemble or modify the PLC.
Doing so may cause fire, equipment failures, or malfunctions.
For repair, contact your local Mitsubishi Electric distributor.

Turn off the power to the PLC before connecting or disconnecting
any extension cable.
Failure to do so may cause equipment failures or malfunctions.

Turn off the power to the PLC before attaching or detaching the
following devices.
Failure to do so may cause equipment failures or malfunctions.
- Peripheral devices, extension blocks, connector conversion 

adapter, extension power supply units, special adapters, and 
FX Series terminal blocks.

- Battery and memory cassettes

DISPOSAL 
PRECAUTIONS

Please contact a certified electronic waste disposal company
for the environmentally safe recycling and disposal of your
device.

TRANSPORT AND 
STORAGE 
PRECAUTIONS

Before transporting the PLC, turn on the power to the PLC to
check that the BAT LED is off.
If the PLC is transported with the BAT LED on or the battery
exhausted, the battery-backed data may be unstable during
transportation.

The PLC is a precision instrument. During transportation, avoid
impacts larger than those specified in Section 2.1. Failure to do
so may cause failures in the PLC.
After transportation, verify the operations of the PLC.

STARTUP AND 
MAINTENANCE 
PRECAUTIONS

Models :

MELSEC FX

2N

 series manufactured

FX

2N

-8ER-ES/UL

FX

2N

-8EX-ES/UL

FX

2N

-8EYR-ES/UL

FX

2N

-8EYT-ESS/UL

FX

2N

-8EX-UA1/UL

FX

2N

-16EX-ES/UL

FX

2N

-16EYR-ES/UL

FX

2N

-16EYT-ESS/UL FX

2N

-16EYS

Compliance with EC directive (CE Marking)

This document does not guarantee that a mechanical system
including this product will comply with the following standards.
Compliance to EMC directive and LVD directive of the entire
mechanical system should be checked by the user / manufacturer.
For more details please contact the local Mitsubishi Electric sales
site.

Requirement for Compliance with EMC directive

The following products have shown compliance through direct
testing (of the identified standards below) and design analysis
(through the creation of a technical construction file) to the European
Directive for Electromagnetic Compatibility (89/336/EEC) when used
as directed by the appropriate documentation.

Type :

Programmable Controller (Open Type Equipment)

Models :

MELSEC FX

3U(C)

 series and FX

2NC

 series 

manufactured

from May 1st, 2005

FX

3U

-FLROM-16

FX

3U

-FLROM-64L

from June 1st, 2005

FX

3U

-232ADP

FX

3U

-485ADP

FX

3U

-4AD-ADP

FX

3U

-4DA-ADP

FX

3U

-4AD-PT-ADP FX

3U

-4AD-TC-ADP

FX

3U

-FLROM-64

from April 1st, 2007

FX

3U

-232ADP-MB

FX

3U

-485ADP-MB

from September 1st, 2007 FX

3UC

-

MT/D

FX

3UC

-

MT/DSS

Where 

 indicates:16,32,64,96

from October 1st, 2007

FX

3UC

-1PS-5V

FX

2NC

-

EX

FX

2NC

-

EYT

FX

2NC

-

EX-DS

FX

2NC

-

EYT-DSS

Where 

 indicates:16,32

FX

2NC

-16EX-T

FX

2NC

-16EX-T-DS

Models : MELSEC FX

2NC

 series manufactured

from March 1st, 1999

FX

2NC

-

EX-DS

FX

2NC

-

EYT-DSS

Where 

 indicates:16,32

from August 1st, 1999 FX

2NC

-16EX-T-DS FX

2NC

-16EYR-T-DS

from October 1st, 2007 FX

2NC

-

EX

FX

2NC

-

EYT

Where 

 indicates:16,32

FX

2NC

-16EX-T

FX

2NC

-16EYR-T

Models : MELSEC FX

2N

 series manufactured

from July 1st, 1997

FX

2N

-16EX-ES/UL FX

2N

-16EYR-ES/UL

FX

2N

-16EYT-ESS/UL

from August 1st, 2005 FX

2N

-8ER-ES/UL

FX

2N

-8EX-ES/UL

FX

2N

-8EYR-ES/UL FX

2N

-8EYT-ESS/UL

For the products above, PLC’s manufactured
before March 31st, 2002 are compliant with EN50081-2 (EN61000-
6-4) and EN50082-2 only.
PLC’s manufactured from April 1st, 2002 to April 30th, 2006 are
compliant with EN50081-2 (EN61000-6-4) and EN61131-
2:1994+A11:1996+A12:2000
PLC’s manufactured after May 1st, 2006 are compliant with
EN61131-2:2003

Standard

Remark

EN61131-2:2003

Programmable
controllers
- Equipment 

requirements and 
tests

Compliance with all relevant aspects of
the standard.
 EMI

Radiated Emissions

Mains Terminal Voltage Emissions

 EMS

RF immunity

Fast Transients

ESD

Surge

Voltage drops and interruptions

Conducted

Power magnetic fields

Standard

Remark

EN61000-6-4:2001

- Generic emission 

standard Industrial 
environment

EN50081-2:1993

Electromagnetic
compatibility

Compliance with all relevant aspects of
the standard.

Radiated Emissions

Mains Terminal Voltage Emissions

EN61000-6-2:2001

- Generic immunity 

standard Industrial 
environment

Compliance with all relevant aspects of
the standard.

RF immunity

Fast Transients

ESD

Conducted

Surge

Power magnetic fields

Voltage drops and interruptions

Standard

Remark

EN61000-6-4:2001

- Generic emission 

standard Industrial 
environment

EN50081-2:1993

Electromagnetic
compatibility

Compliance with all relevant aspects of
the standard.

Radiated Emissions

Mains Terminal Voltage Emissions

EN50082-2:1995

Electromagnetic
compatibility
- Generic immunity 

standard Industrial 
environment

Compliance with all relevant aspects of
the standard.

RF immunity

Fast Transients

ESD

Conducted

Power magnetic fields

EN61131-2:1994
           /A11:1996
            /A12:2000

Programmable
controllers
- Equipment 

requirements and 
tests

Compliance with all relevant aspects of
the standard.

RF Immunity

Fast Transients

ESD

Damped oscillatory wave

JY997D28601B(ENGLISH)

Summary of Contents for MELSEC FX3U-485ADP-MB

Page 1: ...the PLC is transported with the BAT LED on or the battery exhausted the battery backed data may be unstable during transportation The PLC is a precision instrument During transportation avoid impacts larger than those specified in Section 2 1 Failure to do so may cause failures in the PLC After transportation verify the operations of the PLC STARTUP AND MAINTENANCE PRECAUTIONS Models MELSEC FX2N s...

Page 2: ...e standard Radiated Emissions Mains Terminal Voltage Emissions RF immunity Fast Transients ESD Surge Voltage drops and interruptions Conducted Power magnetic fields Standard Remark IEC1010 1 1990 A1 1992 BSEN61010 1 1993 Safety requirements for electrical equipment for measurement control and laboratory use General requirements The equipment has been assessed as a component for fitting in a suitab...

Page 3: ...eries terminal blocks Battery and memory cassettes Notes When a dust proof sheet is supplied with an extension unit block keep the sheet applied to the ventilation slits during installation and wiring work To prevent temperature rise do not install the PLC on a floor a ceiling or a vertical surface Install it horizontally on a wall as shown in section 2 2 Keep a space of 50mm 1 97 or more between ...

Page 4: ... lower connector when performing crossover wiring for the later block In case of the FX2NC EX T DS removal of the connector cover is unnecessary Black Black Red Red Green Ground a Press here Self made power cable To use self made power cables use the following wire and connector suggestions 2 5 Connection to input output connector The input output connectors of the Main units conform to MIL C 8350...

Page 5: ...put output wiring 50 to 100m 164 1 to 328 1 long will cause almost no problems of noise but generally the wiring length should be less than 20m 65 7 to ensure the safety Extension cables are easily affected by noise Lay the cables at a distance of at least 30 to 50mm 1 19 to 1 97 away from the PLC output and other power lines Item Specification Supply voltage 24V DC 20 15 1 Ripple Voltage p p 5 or...

Page 6: ...ing For more details refer to the FX3UC Series User s Manual Hardware Edition 3 4 1 Transistor output specifications 1 When using an instruction related to pulse train output or positioning make sure to set the load current to 10 to 100mA 5 to 24V DC 2 The transistor OFF time is longer under lighter loads For example under a load of 24V DC 40mA the response time is approx 0 3ms When response perfo...

Page 7: ...rve simultaneous ON ratio 80 55 C Ambient temperature applicable 20 45 C When extension blocks units are connected Supply voltage 24V DC 40 C 60 65 When only the main unit is used without extension blocks units 3 5 3 Cautions on relay output wiring For more details refer to FX3UC Series User s Manual Hardware Edition 1 Protection circuit for load short circuits A short circuit at a load connected ...

Page 8: ... Y2 Y3 Y4 Y5 Y6 Y7 V1 V1 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 OUT Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 V0 V0 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Lower Notch Upper IN X0 X1 X2 X3 X4 X5 X6 X7 COM COM COM X0 X1 X2 X3 X4 X5 X6 X7 COM Lower Upper OUT Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 COM1 COM1 COM2 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 COM2 Lower Upper This manual confers no industrial property rights or any rights of any other kind nor does it confer any patent ...

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