-1DA-BD Analog Output Expansion Board

User’s Manual

JY992D96401B

This manual contains text, diagrams and explanations which will guide the reader in the correct

installation, safe use and operation of the FX

-1DA-BD Analog Output Expansion Board and should be

read and understood before attempting to install or use the unit. Further information can be found in the

associated manuals list below.

Specifications are subject to change without notice

Guidelines for the Safety of the User and Protection of the

-1DA-BD Analog Output Expansion Board.

This 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 using the product associated with this manual, should be of a competent nature,

trained and qualified to the local and national standards. 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.

c) All operators of the completed equipment should be trained to use that product in a safe and

coordinated manner in compliance to established safety practices.

Note:

The term ‘completed equipment’ refers to a third party constructed device which contains or uses

the product associated with this manual.

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 equipment.

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.

• 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 Manual

Indispensable manual

Manual Name

Manual

Number

Description

Series

Programmable controllers

Hardware Manual

JY992D83901

Describes contents related to hardware of FX

Series PLC, such as specifications, wiring and

installation.

Series

Programmable controllers

Hardware Manual

JY992D89301

Describes contents related to hardware of FX

Series PLC, such as specifications, wiring and

installation.

FX Series of

Programmable controllers

Programming Manual

ΙΙ

JY992D88101

Describes instructions in FX

/FX

2NC

series.

1. Introduction

The FX

-1DA-BD analog output expansion board (hereafter called “1DA” or “expansion board”) is to be

installed in an FX

or FX

series PLC, to increase the analog output by 1 point.

1.1 Features of 1DA

1) Analog output of 1 point can be increased using 1DA. If a 1DA is used, internal mounting in the top of

the PLC means there is no need for a change to the installation area of the PLC.

2) Voltage output (0 ~ 10V) or current output (4 ~ 20mA) for digital to analog conversion can be set by

switching a dedicated special auxiliary relay.

Moreover, the digital value for conversion is stored in a dedicated special data register, as shown in

the table below.

However, the digital to analog conversion characteristics cannot be adjusted.

1.2 External Dimensions and Each Part Name

Dimensions: mm (inches) Accessory: Top cover for board

M3 self-tapping screw

3 (to fix top cover

1, to mount board

a) Terminals to connect analog module

The top face of this terminal block is higher than the top face of the

panel cover of the programmable controller by approximately 7mm

(0.28").

b) Mounting holes (2-

∅

4.0 / 0.16")

c) Connector for PLC

1.3 System Configuration

• Only one expansion board can be used on one FX

and FX

PLC main unit.

Do not try to install two or more expansion board. (They will not function)

• The 1DA cannot be used together with a FX

-EEPROM-8L or FX

-5DM.

1.4 Applicable PLC

2. Specifications

2.1 General Specifications

Same as the programmable controller main unit. (Refer to the programmable controller main unit manual)

2.2 Power Supply Specifications

Power supplied by internal feed of the programmable controller main unit.

Table 1.1: Allocated Device

Device Description

M8114

Switch of output mode

OFF: Voltage output mode (0 ~ 10V)

ON: Current output mode (4 ~ 20mA)

D8114 Digital value for analog output

Table 1.2: Allocation of Terminals

Terminal name Content

• No connection (DO NOT use this terminal)

V+ Voltage output terminal

I+ Current output terminal

VI- Common terminal for analog output

Table 1.3: Applicable Programmable Controller

PLC Type Applicable version

series V2.00 or later

I +V + V I -

3 8 . 5 ( 1 . 5 2 " )

4 3 ( 1 . 6 9 " )

a )

b )

c )

b )

2.3 Performance Specifications

*1 The D/A conversion is started following the END statement and analogue signals will be sent after

10ms. Further analogue signals will be sent after the D/A conversion triggered by the next END

statement. Converting the present value stored in D8114 is dependent on PLC scan time.

Note:

1) When external load resistance is 2k

Ω

, the overall accuracy of voltage output is adjusted

“±1%”

If external load becomes larger than 2k

Ω

, the output voltage will increase slightly. When

the load is 1M

Ω

, the output voltage becomes about 3% higher than the correct value.

2) When using current output, be sure to have an external load resistance of 500

Ω

or less.

If the load is greater than 500

Ω

, the output current will be lower than the correct value.

3. Installation

Caution:

• Cut off all phases of power source before installing / removing or performing wiring work

on the expansion board in order to avoid electric shock or damage of product.

• After the installation and wiring etc. replace the PLCs top cover before power ON.

Note:

• Securely install the expansion board, and fix to the PLC. Defective contact can cause

malfunction.

• The tightening torque for fixing the board or top cover is 0.3 ~

0.6

m. Tighten securely to

avoid malfunction.

Note:

Only one expansion board can be used per main unit of FX

and FX

series PLC. Do not try

to install two or more expansion boards.

Moreover, the 1DA cannot be used with the FX

-EEPROM-8L or FX

-5DM.

The following is a generic explanation of how to install an expansion board

to the PLC.

a) Top cover for expansion board

b) M3 self-tapping screw to mount expansion board

c) M3 self-tapping screw to fix top cover

d) External port for optional equipment

e) Expansion board

Note: Do not remove this screw.

1) Remove the top cover of the main unit and keep.

2) Plug expansion board “e)” into the external port “d)”.

3) Fix expansion board to main unit using M3 self-tapping screws “c)”. (Tightening torque: 0.3 ~ 0.6N

⋅

4) Attach top cover for expansion board “a)” removing section “a)’” to expose connector etc.

5) Secure top cover with M3 self-tapping screw “b)”. (Tightening torque: 0.3 ~ 0.6N

⋅

Table 2.1: Performance Specifications

Item

Specification

Voltage output Current output

Range of analog

output

DC 0 ~ 10V

(External load resistance 2k ~ 1M

Ω

)

DC 4 ~ 20mA

(External load resistance 500

Ω

or less)

Digital output 12bit binary

Resolution 2.5mV (10V /4000) 8µA {(20mA - 4mA) /2000}

Integrated

accuracy

±1% Against the full scale

(0 ~ 10V: ±0.1V)

±1% Against the full scale

(4 ~ 20mA: ±0.16mA)

D/A conversion

time

Approx. 10ms (D/A conversion is started after the END instruction)

Input

characteristics

0 ~ 4000 are adjusted to 0 ~ 10V when

the external load is 2k

Ω

0 ~ 2000 are adjusted to 4 ~ 20mA

when the external load is 250

Ω

Occupied point

0 points (1DA is not subject to the standard maximum number of control points in

the host PLC, as it operates via a data register).

Analog

output

Digital input

0 4000

10V

Digital input

2000

20mA

4mA

Analog

output

e )

d )

c )

a )

a ) '

b )

c )

N o t e )

Mitsubishi FX1N Series - Page 390

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