Mitsubishi 840 Series- User Manual

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This manual confers no industrial property rights or any rights of any other kind,
nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be
held responsible for any problems involving industrial property rights which may
occur as a result of using the contents noted in this manual.

Warranty

Mitsubishi will not be held liable for damage caused by factors found not to be
the cause of Mitsubishi; opportunity loss or lost profits caused by faults in the
Mitsubishi products; damage, secondary damage, accident compensation
caused by special factors unpredictable by Mitsubishi; damages to products
other than Mitsubishi products; and to other duties.

For safe use

This product has been manufactured as a general-purpose part for general
industries, and has not been designed or manufactured to be incorporated in
a device or system used in purposes related to human life.
Before using the product for special purposes such as nuclear power, electric
power, aerospace, medicine or passenger movement vehicles, consult with
Mitsubishi Electric.
This product has been manufactured under strict quality control. However
when installing the product where major accidents or losses could occur if the
product fails, install appropriate backup or failsafe functions in the system.

•

HEAD OFFICE

HIMEJI WORKS

: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310,
JAPAN
: 840, CHIYODA CHO, HIMEJI, JAPAN

Side

JAPANESE

ENGLISH

JY997D40901A

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.

Associated Manuals

How to obtain manuals

For product manuals or documents, consult with the Mitsubishi Electric dealer
from who you purchased your product.

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.

Manual name

Manual No.

Description

Series

User’s Manual
- Hardware Edition

JY997D16501

MODEL CODE:

09R516

Ex p l ai ns t h e F X

3 U

Se r i e s P L C

specification details for I/O, wiring,
installation, and maintenance.

3UC

Series

User’s Manual
- Hardware Edition

JY997D28701

MODEL CODE:

09R519

Explains the FX

3UC

Series PLC

specification details for I/O, wiring,
installation, and maintenance.

F X

3 G

/ F X

3 U

/ F X

3 U C

Series Programming
Manual
- B a s i c & A p p l i e d
Instruction Edition

JY997D16601

MODEL CODE:

09R517

Describes PLC programming for
b a s i c / a p p l i e d i n s t r u c t i o n s a n d
devices.

Compliance with EC directive (CE Marking)

This note does not guarantee that an entire mechanical module produced in
accordance with the contents of this note will comply with the following standards.
Compliance to EMC directive and LVD directive for the entire mechanical module
should be checked by the user/manufacturer. For more information please consult with
your nearest Mitsubishi product provider.
Regarding the standards that comply with the main unit, please refer to either the FX
series product catalog or consult with your nearest Mitsubishi product provider.

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 (2004/108/EC) when
used as directed by the appropriate documentation.

Attention

•

This product is designed for use in industrial applications.

Note

•

Manufactured by:

Mitsubishi Electric Corporation
2-7-3 Marunouchi, Chiyoda-ku, Tokyo, 100-8310 Japan

•

Manufactured at:

Mitsubishi Electric Corporation Himeji Works
840 Chiyoda-machi, Himeji, Hyogo, 670-8677 Japan

•

Authorized Representative in the European Community:

Mitsubishi Electric Europe B.V.
Gothaer Str. 8, 40880 Ratingen, Germany

Type:

Programmable Controller (Open Type Equipment)

Models:

MELSEC FX

series manufactured

from August 1st, 2010 FX

-8AV-BD

1. Introduction

The FX

-8AV-BD is an expansion board equipped with eight analog set points which

can be used as an analog timer.

1.1 Incorporated Items

Check to ensure the following product and items are included in the package

Standard

Remark

EN61131-2:2007
Programmable controllers

- Equipment requirements

and tests

C o m p l i a n c e w i t h a l l r e l e v a n t a s p e c t s o f t h e
standard.
EMI
• Radiated Emissions
• Conducted Emissions
EMS
• Radiated electromagnetic field
• Fast Transient burst
• Electrostatic discharge
• High-energy surge
• Voltage drops and interruptions
• Conducted RF
• Power frequency magnetic field

Included Item

-8AV-BD

1 unit

Trimmer layout label

1 sheet

M3 tapping screws for installation

2 pcs

Manuals (Japanese version, English version)

1 manual each

1.2 External Dimensions and Part Names

1.3 Trimmer Layout

2. Installation

[1] Mounting holes(2-

3.2 (0.13"))

[2] Special adapter connector cover

[3] Analog volume

[4] Main unit connector

[5] Special adapter connector

INSTALLATION
PRECAUTIONS

•

Make sure to shut down all phases of the power supply externally before
installing.
Failure to do so may cause electric shock or damage to the product.

INSTALLATION
PRECAUTIONS

•

Use the product within the generic environment specifications described in
PLC main unit manual (Hardware Edition).
Never use the product in areas with excessive dust, oily smoke, conductive
dusts, corrosive gas (salt air, C l

, H

S, SO

, or NO

), flammable gas,

vibration or impacts, or expose it to high temperature, condensation, or rain
and wind.
If the product is used in such conditions, electric shock, fire, malfunctions,
deterioration or damage may occur.

•

Use screwdrivers carefully when performing installation work, thus avoiding
accident or product damage.

•

When drilling screw holes or wiring, make sure cutting or wire debris dose
not enter the ventilation slits.
Failure to do so may cause fire, equipment failures or malfunctions.

•

Do not touch the conductive parts of the product directly.
Doing so may cause device failures or malfunctions.

•

Connect the extension board securely to their designated connectors.
Loose connections may cause malfunctions.

55.9(2.20")

53.5(2.11")

19.7

(0.78")

46.1(1.82")

[1]

[2]

[5]

[4]

Unit: mm(inches)

MASS(Weight): 20g(0.05lbs)

Special adapter connector
cover is removed

VR0 VR1

VR2 VR3

VR4 VR5

VR6 VR7

2.1 Installation Method

The following section describes the installation method to the FX

/FX

3UC

-32MT-

LT(-2) Series PLC.

2.1.1

Series PLC

1) Power off the PLC.

Disconnect all the cables connected to the PLC.
Demount the PLC from the DIN rail.

2) Using a flat head screwdriver as shown in

t h e f i g u r e o n t h e r i g h t , l i f t t h e d u m m y
expansion board cover (fig. A) making sure
n o t t o d a m a g e t h e c i r c u i t b o a r d o r
electronic parts.

3) Remove the dummy expansion board

cover (fig. A) perpendicularly away from
the main unit.

4) Make sure the expansion board (fig. B) is in

pa r a l l e l w i t h t h e m a i n u n i t ( f i g . C ) a n d
attach it to the expansion board connector.

5) Fix the expansion board (fig. B) to the main

unit (fig. C) using the provided M3 tapping
screws (fig. D).
Tightening torque: 0.3 to 0.6 N•m

2.1.2

3UC

-32MT-LT(-2) Series PLC

1) Power off the PLC.

Disconnect all the cables connected to the PLC.
Demount the PLC from the DIN rail.

2) Using a flat head screwdriver as shown in

t h e f i g u r e o n t h e r i g h t , l i f t t h e d u m m y
expansion board cover (fig. A) making sure
not to damage the circuit board or electronic
parts.

3) Remove the dummy expansion board cover

(fig. A) perpendicularly away from the main
unit.

4) Make sure the expansion board (fig. B) is in

parallel with the main unit (fig. C) and attach
it to the expansion board connector.

5) Fix the expansion board (fig. B) to the main

unit (fig. C) using the provided M3 tapping
screws (fig. D).
Tightening torque: 0.3 to 0.6 N•m

-48MR/ES

-48

/ES

-48M

RUN

-48M

STO

-48

/ES

-48

/ES

-48M

5)
D

3. Specification

3.1 Applicable PLC

3.2 General Specifications

Items other than the following are equivalent to those of the PLC main unit.
For general specifications, refer to the manual of the PLC main unit.

→

Refer to the FX

Series User's Manual - Hardware Edition.

→

Refer to the FX

3UC

Series User's Manual - Hardware Edition.

3.3 Power Supply Specification

3.4 Performance Specification

STARTUP AND
MAINTENANCE
PRECAUTIONS

•

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

•

Do not drop the product or exert strong impact to it.
Doing so may cause damage.

DISPOSAL
PRECAUTIONS

•

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

TRANSPORT AND
STORAGE PRECAUTIONS

•

The product is a precision instrument. During transportation, avoid any
i m p a c t s . F a i l u r e t o d o s o m a y c a u s e f a i l u r e s i n t h e p r o d u c t . A f t e r
transportation, verify the operations of the product.

Model name

Applicability

Series PLC

Ver. 2.70 and later

3UC

-32MT-LT(-2) PLC

Ver. 2.70 and later

Item

Specification

5V DC power supply (mA)

20mA
(5V DC power is supplied internally from the main
unit.)

Item

Specification

Analog volume points

8 points

Instruction

VRRD(FNC 85) Volume Read
VRSC(FNC 86) Volume Scale

Digital conversion value

VRRD instruction: 0 to 255
VRSC instruction: 0 to 10

4. Program Example

For details on the VRRD and VRSC instruction, refer to the following manuals.

→

Refer to the FX

/FX

3UC

Series Programming Manual.

1) Example in which the read analog value is used as the set value of an analog

timer. (VRRD instruction)
The analog value of the variable analog potentiometer No.0 is converted into
binary 8-bit data, and the value in the range from 0 to 255 is transferred to D0.
The value of D0 is used as the set value of a timer

When a value larger than 255 is required as the set value of a timer, the read
va lue mul tipl ied by a co nstan t by t he FNC 22 (MUL ) in struc tion c an be set
indirectly as the timer constant.

2) Example in which the scale value is used as a rotary switch. (VRSC instruction)

Either one among auxiliary relays M0 to M10 turns ON in accordance with the
s c a l e v a l u e i n t h e r a n g e f r o m 0 t o 1 0 o f t h e s p e c i f i e d v a r i a b l e a n a l o g
potentiometer.

5. Trimmer Layout Label

The trimmer layout label is adhere it in a position where it can be seen easily for quick
reference (as shown in the figure below).

•

In the case of FX

Series PLC

•

In the case of FX

3UC

-32MT-LT(-2) PLC

X000

X001

Volume
number

Read

destination

FNC 85

VRRD

X000

X001

M10

M0 turns ON when the scale value is "0".

M1 turns ON when the scale value is "1".

M10 turns ON when the scale value is "10".

FNC 86

VRSC

FNC 41

DECO

The FNC41 (DECO)
instruction occupies
auxiliary relays
M0 to M15.

6. Caution On Use

•

Only one analog volume expansion board can be used per main unit.

•

The communication function is not available at ch1 when VRRD or VRSC
instruction is used in the program in FX

/FX

3UC

PLCs.

-8AV-BD

USER’S MANUAL

This manual describes the part names, dimensions, mounting, and
specifications of the product. Before use, read this manual and the manuals of
all relevant products fully to acquire proficiency in handling and operating the
product. Make sure to learn all the product information, safety information, and
precautions.
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 and product name described in this manual are registered
trademarks or the trademarks of their respective companies.

Effective August 2010
Specifications are subject to change without notice.

2010 Mitsubishi Electric Corporation

Manual Number

JY997D40901

Revision

Date

August 2010

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