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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

B

Side

A

Side

B

JAPANESE

ENGLISH

JY997D33601B

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.

IIndicates 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

FX

3G

/FX

3U

/FX

3U C

Series User's Manual 
- Analog Control 
Edition

JY997D16701

MODEL CODE: 

09R619

Describes specifications for 

analog control and 

programming method for 

FX

3G

/FX

3U

/FX

3UC

 Series 

PLC.

FX

3G

 Series 

User’s Manual 
- Hardware Edition

JY997D31301

MODEL CODE: 

09R521

Explains FX

3G

 Series PLC

specifications for I/O, wiring,

installation, and maintenance.

1. Outline

The FX

3G

-1DA-BD board (hereinafter called 1DA-BD) is an expansion board for

adding one additional analog output point.

1.1 Incorporated Items

1.2 External Dimensions, Part Names

1.2.1

Terminal Layout

Product

Analog output expansion board FX

3G

-1DA-BD

Included items

M3

×

8 tapping screws for installation: 2 pcs.

Side cover
Installation Manual (This manual)

14.1

15.1

Unit: mm(inches)

35(1.38")

51.2(2.02")

[4]

[3]

[5]

[7]

Connector cover is 
removed

MASS(Weight): 20g(0.05lbs)

[6]

[1]

[1]Terminal block mounting screws
[2]POW LED: Lit while power is properly supplied from main unit
[3]Mounting holes(2-

φ

3.2)

[4]Connector cover
[5]Main unit connector
[6]Terminal block to connect analog output
[7]Memory casette/Display module connector

(0.6")

(0.56")

[2]

V+

I+

VI

-

5 poles

2. Installation

For installation/uninstallation details, refer to the following manuals:

→ 

Refer to the FX

3G

 Series User's Manual - Hardware Edition.

 

The following section describes the installation method for the FX

3G

 Series PLC

(FX

3G

-40M

…

. In this example).

Turn off the power to the PLC before installation.
For more details on installation and removal, refer to the PLC main unit manual.

→ 

Refer to the FX

3G

 Series User's Manual - Hardware Edition

2.1 Installation Method

1) Remove the top cover (A in the right

figure) or top cover (S) (A’ in the right
figure).
In a 14/24-point type main unit, only the
top cover (A in the right figure) is
provided.

2) Attach the accessory side cover (B in

the right figure).
Attachment of the side cover (B in the
right figure) is not necessary when
installing the FX

3G

-2AD-BD to only

under the top cover (S) of a 40/60-point
type main unit. 

3) Make sure the expansion board is in

parallel with the main unit and attach it
to the optional equipment connector.

4) Fix the expansion board to the main

unit using the provided M3 tapping
screws. (2 places) 
Tightening torque : 0.3 to 0.6 N

m

INSTALLATION 
PRECAUTIONS

Make sure to cut off all phases of the power supply externally before attempting
installation or wiring work.
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, Cl

2

, H

2

S, SO

2

, or NO

2

), flammable gas, vibration or

impacts, or exposed 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.

When drilling screw holes or wiring, make sure cutting or wire debris does 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 expansion board securely to their designated connectors.
Loose connections may cause malfunctions.

4)

3)

3)

4)

B

A

1)

1)

2)

A'

3. Wiring

 

3.1 Applicable Cable and Terminal Tightening Torque

3.1.1

Terminal block (European type)

1) Wire size

Wiring to analog device should use 20-22 AWG wire.

2) Applicable cable

3) Termination of cable end

Strip the coating of strand wire and twist the cable core before connecting it,
or strip the coating of single wire before connecting it.
An alternative connection is to use a ferrule with insulating sleeve.

When using a stick terminal with insulating sleeve, choose a wire with proper
cable sheath referring to the above outside dimensions, or otherwise, the
wire cannot be inserted easily.
The tightening torque must be 0.22 to 0.25N

m.

WIRING 
PRECAUTIONS

Make sure to cut off all phases of the power supply externally before
attempting installation or wiring work.
Failure to do so may cause electric shock or damage to the product.

WIRING 
PRECAUTIONS

Make sure to cut off all phases of the power supply externally before
attempting installation or wiring work.
Failure to do so may cause electric shock or damage to the product.

Make sure to observe the following precautions in order to prevent any
damage to the machinery or accidents due to abnormal data written to the
PLC under the influence of noise:

1) Do not bundle the main circuit line together with or lay it close to the main

circuit, high-voltage line or load line.
Otherwise, noise disturbance and/or surge induction are likely to take
place. As a guideline, lay the control line at least 100mm (3.94") or more
away from the main circuit or high-voltage lines.

2) Ground the shield wire or shield of the shielded cable at one point on the

PLC. However, do not use common grounding with heavy electrical
systems.

Make sure to properly wire to the European terminal board in accordance
with the following precautions.
Failure to do so may cause electric shock, a short-circuit, wire breakage, or
damage to the product.

- The disposal size of the cable end should be 9mm (0.35").
- Tightening torque should be between 0.22 and 0.25N

m.

- Twist the end of strand wire and make sure that there are no loose wires.
- Do not solder-plate the electric wire ends.
- Do not connect more than the specified number of wires or electric wires 

of unspecified size.

- Affix the electric wires so that neither the terminal block nor the connected 

parts are directly stressed.

Make sure to properly wire to the FX

3G 

Series PLC in accordance with the

following precautions.
Failure to do so may cause electric shock, a short-circuit, wire breakage, or
damage to the product.

- The disposal size of the cable end should follow the dimensions described 

in this manual.

- Tightening torque should follow the specifications in this manual.

Type

Wire size

Single-wire

0.3mm

2

 to 0.5mm

2

 (AWG22 to 20)

2-wire

2 pieces of 0.3mm

2

 (AWG22)

Manufacturer

Model

Pressure bonding tool

Phoenix Contact Co., Ltd.

AI 0.5-8WH

CRIMPFOX ZA 3

(or CRIMPFOX UD 6)

9mm

(0.35")

- Strand wire/single wire

8mm

(0.31")

Contact area

(Crimping area)

14mm(0.55")

2.6mm(0.1")

Insulation sleeve

- Stick terminal with insulating sleeve

4) Tool

For tightening the terminal, use a 
commercially available small 
screwdriver having a straight form that is 
not widened toward the end as shown 
right.

Caution:

If the diameter of screwdriver grip is too 
small, tightening torque will not be able 
to be achieved. Use the following recommended screwdriver or an
appropriate replacement (grip diameter: approximately 25mm (0.98")).

3.2 Wiring of Analog Output

→ 

For the terminal configuration, refer to Subsection 1.2.1

*1 Use 2-core shielded twisted pair cable for the analog output lines, and

separate the analog output lines from other power lines or inductive lines.

*2 The grounding resistance should be 100

Ω

 or less.

3.3 Grounding

Grounding should be performed as stated below.

The grounding resistance should be 100

Ω

 or less.

Independent grounding should be performed for best results.
When independent grounding is not performed, perform "shared
grounding" of the following figure.

→ 

For details, refer to the FX

3G

 Series User's

Manual - Hardware Edition.

The grounding wire size should be AWG 22-20 (0.3-0.5 mm

2

).

The grounding point should be close to the PLC, and all grounding wire
should be as short as possible.

Manufacturer

Model

Phoenix Contact Co., Ltd.

SZS 0.4

×

2.5

With
straight tip

2.5mm

(0.1")

0.4mm
(0.02")

Using voltage

output

1DA-BD

VI-

Terminal

block

V+
I+

Grounding

Using current

output

1DA-BD

VI-

Terminal

block

V+
I+

Grounding

PLC

PLC

PLC

Other

equipment

Shared grounding

Good condition

Common grounding

Not allowed

Independent grounding

Best condition

Other

equipment

Other

equipment

4. Specifications

4.1 Applicable PLC

The version number can be checked by monitoring D8001 as the last three digits
indicate it.

The number of connectable expansion boards varies depending on the main unit as
follows:
FX

3G

-14M

…

, 24M

…

 Main units : 1 unit

FX

3G

-40M

…

, 60M

…

 

Main units : 2 units

Never stack up two or more expansion boards.

For details on the system configuration, refer to the following manual.

→ 

Refer to the FX

3G

/FX

3U

/FX

3UC

 Series User's Manual - Analog Control Edition

4.2 General Specifications

The general specifications are equivalent to the PLC main unit. 
For general specifications, refer to the following manuals.

→ 

Refer to the FX

3G

 Series User's Manual - Hardware Edition

4.3 Performance Specifications

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 impacts. 
Failure to do so may cause failures in the product. After transportation, verify the
operations of the product.

Model name

Applicability

FX

3G

 Series PLC

Ver. 1.10 or later

Item

Specifications

Voltage output

Current output

Analog output 
range

0 to 10V DC

(External load resistance: 

2k

Ω

 to 1M

Ω

)

4 to 20mA DC

(External load resistance:

 500

Ω

 or less)

Digital input

12 bits, binary

11 bits, binary

Resolution

2.5mV(10V/4000)

8

μ

A(16mA/2000)

Total accuracy

• ±

0.5%(

±

50mV) for full scale

of 10V(when ambient
temperature is 25

°

C

±

5

°

C)

• ±

1.0% (

±

100mV) for full

scale of 10V 
(when ambient temperature
is 0

°

C to 55

°

C)

Shipment adjustment is carried
out by external load resistance
2k

Ω

.

If external load resistance
becomes larger than 2k

Ω

, the

output voltage will increase
slightly.
When the load is 1M

Ω

, the

output voltage becomes about
2% higher than the correct
value.

Caution:

An area of dead band is located
in the region of 0V.
Therefore the output analog
value may not represent the
digital value accurately.

• ±

0.5%(

±

80

μ

A) for full scale

of 16mA(when ambient
temperature is 25

°

C

±

5

°

C)

• ±

1.0%(

±

160

μ

A) for full

scale of 16mA
(when ambient temperature
is 0

°

C to 55

°

C)

D/A 
conversion 
time

60

μ

s

(The data will be updated at every scan time of the PLC.)

4.4 List of Special Devices

R: Read W: Write

As for the details of the special devices, refer to the following manual.

→ 

Refer to the FX

3G/

FX

3U/

 FX

3UC

 Series User's Manual - Analog Control Edition

output 
characteristics

0 to 4000 are adjusted to 0 to
10V when the external load
resistance is 2k

Ω

.

0 to 2000 are adjusted to 4 to
20mA when the external load
resistance is 250

Ω

.

Insulation 
method

No insulation between the PLC.

Occupied 
points

0 point (This number is not related to the maximum number of
input/output points of the PLC.)

Device number

Description

R/W

BD1

BD2

Special
auxiliary
relay

M8260

M8270

Switches the output mode
OFF: Voltage output ON: Current output

R/W

M8264

M8274

Output Holding Function Cancellation
Setting
OFF: Holds the analog data output just 

before stop of the PLC.

ON: Output the offset data at stop of the
 PLC.

R/W

Special
data
register

D8260

D8270

Output setting data

R/W

D8268

D8278

Error status
b0: Output data setting error
b1: Unused
b2: Unused
b3: Unused
b4: EEPROM error
b15 to b5: Unused

R/W

D8269

D8279

Model code = 4

R

Item

Specifications

Voltage output

Current output

Anal

og output

Digital input

0

4080

10V

4000

Anal

og output

Digital input

0

2040

4mA

20mA

2000

FX

3G

-1DA-BD

INSTALLATION 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 names described in this manual are registered

trademarks or the trademarks of their respective companies.

Effective September 2008
Specifications are subject to change without notice.

©

 2008 Mitsubishi Electric Corporation

Manual Number

JY997D33601

Revision

B

Date

September 2008

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