Mitsubishi Q62DA, Q68DAI, Q64DA, Q68DAV, GX Configurator-DA User Manual

...

Digital-Analog Converter

Digital-Analog Converter Module User's Manual

Module

Mitsubishi Programmable Logic Controller

Q62DA Q64DA Q68DAV Q68DAI

GX Configurator-DA

(SW0D5C-QDAU-E)

A - 1 A - 1

• SAFETY PRECAUTIONS •

(Always read these instructions before using this equipment.)

Before using this product, please read this manual and the relevant manuals introduced in this manual carefully and pay full attention to safety to handle the product correctly. The instructions given in this manual are concerned with this product. For the safety instructions of the PLC system, please read the user's manual of the CPU module to use. In this manual, the safety instructions are ranked as "DANGER" and "CAUTION".

DANGER

CAUTION

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.

Note that the !CAUTION level may lead to a serious consequence according to the circumstances. Always follow the instructions of both levels because they are important to personal safety.

Please save this manual to make it accessible when required and always forward it to the end user.

[DESIGN PRECAUTION]

DANGER

•

Do not write data into the "system area" of the buffer memory of intelligent function modules.

Also, do not use any "prohibited to use" signals as an output signal to an inte lligent function module from the PLC CPU. Writing data into the "system area" or outputting a signal for "prohibited to use" may cause a PLC system malfunction.

CAUTION

•

Do not bunch the control wires or communication cables with the main circuit or power wires, or

install them close to each other. They should be installed 100mm(3.9inch) or more from each other. Not doing so could result in noise that may cause malfunction.

A - 2 A - 2

[INSTALLATION PRECAUTIONS]

CAUTION

•

Use the PLC in an environment that meets the general specifications contained in the user's

manual of the CPU module to use. Using this PLC in an environment outside the range of the general specificat ions may cause electric shock, fire, malfunction, and damage to or deterioration of the product.

•

When installing the module, securely insert the module fixing tabs into the mounting holes of the

base unit while pressing the installation lever located at the bott om of the module downward. Improper installation may result in malfunction, breakdown or the module coming loose and dropping. Securely fix the module with screws if it is subject to vibration during use.

•

Tighten the screws within the range of specified torque.

If the screws are loose, it may cause the module to fallout, short circuits, or malfunction. If the screws are tightened too much, it may cause damage to the screw and/or the module, resulting in fallout, short circuits or malfunction.

•

Switch all phases of the external power supply off when mounting or removing the module.

Not doing so may cause damage to the module.

•

Do not directly touch the conductive area or electronic components of the module.

Doing so may cause malfunction or failure in the module.

[WIRING PRECAUTIONS]

CAUTION

•

Always ground the FG terminal for the PLC.

There is a risk of electric shock or malfunction.

•

When turning on the power and operating the module after wiring is completed, always attach

the terminal cover that comes with the product. There is a risk of electric shock if the terminal cover is not attached.

•

Tighten the terminal screws within the range of specified torque.

If the terminal screws are loose, it may result in short circuits or malfunction. If the terminal screws are tightened too much, it may cause damage to the screw and/or the module, resulting in short circuits or malfunction.

•

Be careful not to let foreign matter such as sawdust or wire chips get inside the module.

They may cause fires, failure or malfunction.

•

The top surface of the module is covered with protective film to prevent foreign objects such as

cable offcuts from entering the module when wiring. Do not remove this film until the wiring is complete. Before operating the system, be sure to remove the film to provide adequate ventilation.

A - 3 A - 3

[STARTING AND MAINTENANCE PRECAUTIONS]

CAUTION

•

Do not disassemble or modify the modules.

Doing so could cause failure, malfunction injury or fire.

•

Switch all phases of the external power supply off when mounting or removing the module.

Not doing so may cause failure or malfunction of the module.

•

Do not touch the connector while the power is on.

Doing so may cause malfunction.

•

Switch all phases of the external power supply off when cleaning or retightening the terminal

screws and module installation screws. Not doing so may cause failure or malfunction of the module. If the screws are loose, it may cause the module to fallout, short circuits, or malfunction. If the screws are tightened too much, it may cause damages to the screws and/or the module, resulting in the module falling out, short circuits or malfunction.

[DISPOSAL PRECAUTIONS]

CAUTION

•

When disposing of this product, treat it as industrial waste.

A - 4 A - 4

REVISIONS

The manual number is given on the bottom left of the back cover.

Print Date Manual Number Revision

Dec., 1999 SH (NA)-080054-A

First printing

Oct., 2000 SH (NA)-080054-B Add the contents of the function version B.

Correction

About the Generic Terms and Abbreviations, Section 2.1, Section 3.1.3,

3.3.1, 3.4, Section 4.3, Section 5.2.1, 5.2.2, 5.3.3, 6.5.1

Partial addition

Section 1.1, Section 3.1.1, 3.1.2, 3.2.1, 3.2.2, 3.3.1, 3.3.2, 3.4.3, Section

4.5, Section 5.6.1, Section 7.2.3, 7.2.4 Addition

Section 1.2, Section2.2, Section 3.2.3, App-1, 1.1, 1.2, 1.3

Dec., 2000 SH (NA)-080054-C

Addition of Models

Q68DAV, Q68DAI

Correction

Section 3.2, 3.2.1, 3.2.2, 3.2.3, 3.3.1, 3.3.2, 3.4.1, 3.4.2, 3.4.3, 3.4.4,

3.4.6, 3.4.7, Section 4.5, Section 7.2.3, App-1.3

Partial addition

About the Generic Terms and Abbreviations, Product Structure, Chapter 1, Section 1.1, Section 2.1, Section 3.1.1, 3.1.4, Section 4.1, 4.3, Section 7.1, App-2

Jun., 2001 SH (NA)-080054-D Standardize the name from software package (GPP function) to Product

name (GX Developer). Standardize the name from utility package (QDAU) to Product name (GX Configurator-DA).

Correction

Conformation to the EMC Directive and Low Voltage Instruction, About the Generic Terms and Abbreviations, Product Structure, Section 2.1,

2.2, Section 4.6, Section 5.2, 5.2.1, 5.2.2, 5.3.3, Appendix 1.2

Japanese Manual Version SH-080027-F

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.

 1999 MITSUBISHI ELECTRIC CORPORATION

A - 5 A - 5

INTRODUCTION

Thank you for purchasing the MELSEC-Q series PLC. Before using the equipment, please read this manual carefully to develop full familiarity with the functions and performance of the Q series PLC you have purchased, so as to ensure correct use. Please forward a copy of this manual to the end user.

CONTENTS

SAFETY PRECAUTIONS..............................................................................................................................A- 1

REVISIONS....................................................................................................................................................A- 4

Conformation to the EMC Directive and Low Voltage Instruction ................................................................A- 8

About the Generic Terms and Abbreviations ................................................................................................A- 8

Product Structure ...........................................................................................................................................A- 9

1 OVERVIEW 1- 1 to 1- 2

1.1 Features ..................................................................................................................................................1- 1

1.2 Functions Added by Function Version B................................................................................................1- 2

2 SYSTEM CONFIGURATION 2- 1 to 2- 4

2.1 Applicable Systems.................................................................................................................................2- 1

2.2 How to Check the Function Version and Software Version...................................................................2- 3

3 SPECIFICATIONS 3- 1 to 3-20

3.1 Performance Specifications....................................................................................................................3- 1

3.1.1 Performance specifications list ........................................................................................................3- 1

3.1.2 I/O conversion characteristics..........................................................................................................3- 2

3.1.3 Accuracy...........................................................................................................................................3- 9

3.1.4 Conversion speed ............................................................................................................................3- 9

3.2 D/A Conversion Module Function...........................................................................................................3-10

3.2.1 Synchronous output function ...........................................................................................................3-10

3.2.2 Analog output HOLD/CLEAR function............................................................................................. 3-11

3.2.3 Analog output test during PLC CPU STOP..................................................................................... 3-12

3.3 I/O Signals for the PLC CPU ..................................................................................................................3-13

3.3.1 List of I/O signals..............................................................................................................................3-13

3.3.2 Details of I/O signals ........................................................................................................................3-14

3.4 Buffer Memory......................................................................................................................................... 3-17

3.4.1 Buffer memory assignment..............................................................................................................3-17

3.4.2 D/A conversion enable/disable (buffer memory address 0: Un\G0)...............................................3-18

3.4.3 CH

digital values (buffer memory addresses 1 to 8: Un\G1 to Un\G8)......................................3-18

3.4.4 CH

set value check codes (buffer memory addresses 11 to 18: Un\G11 to Un\G18)...............3-19

3.4.5 Error codes (buffer memory address 19: Un\G19) .........................................................................3-19

3.4.6 Setting range (buffer memory address 20 and 21: Un\G20 and Un\G21) .....................................3-20

3.4.7 Offset/gain setting mode and offset/gain specification

(buffer memory addresses 22 and 23: Un\G22 and Un\G23)........................................................3-20

3.4.8 Setting value specification (buffer memory address 24: Un\G24)..................................................3-20

A - 6 A - 6

4 SETUP AND PROCEDURES BEFORE OPERATION 4- 1 to 4-13

4.1 Handling Precautions..............................................................................................................................4- 1

4.2 Setup and Procedures before Operation ...............................................................................................4- 2

4.3 Part Identification Nomenclature ............................................................................................................4- 3

4.4 Wiring.......................................................................................................................................................4- 5

4.4.1 Wiring precautions............................................................................................................................4- 5

4.4.2 External wiring..................................................................................................................................4- 6

4.5 Switch Setting for Intelligent Function module.......................................................................................4- 8

4.6 Offset/Gain Settings................................................................................................................................ 4-11

5 UTILITY PACKAGE (GX Configurator-DA) 5- 1 to 5-18

5.1 Utility Package Functions........................................................................................................................5- 1

5.2 Installing and Uninstalling the Utility Package........................................................................................5- 2

5.2.1 User precautions ..............................................................................................................................5- 2

5.2.2 Operating environment.....................................................................................................................5- 4

5.3 Explanation of Utility Package Operation...............................................................................................5- 5

5.3.1 How to perform common utility package operations.......................................................................5- 5

5.3.2 Operation overview ..........................................................................................................................5- 8

5.3.3 Starting the intelligent function module utility .................................................................................. 5-10

5.4 Initial Setting............................................................................................................................................ 5-12

5.5 Automatic Refresh Settings....................................................................................................................5-13

5.6 Monitor/Test ............................................................................................................................................ 5-15

5.6.1 Monitor/test screen...........................................................................................................................5-15

5.6.2 Offset/gain setting operation............................................................................................................5-18

6 PROGRAMMING 6- 1 to 6- 5

6.1 Programming Example Using the Utility Package.................................................................................6- 2

6.1.1 Operating the utility package ...........................................................................................................6- 2

6.1.2 Programming example.....................................................................................................................6- 3

6.2 Programming Example without Using the Utility Package ....................................................................6- 4

7 TROUBLESHOOTING 7- 1 to 7- 5

7.1 Error Code List........................................................................................................................................7- 1

7.2 Troubleshooting ......................................................................................................................................7- 2

7.2.1 When the "RUN" LED is flashing or turned off................................................................................7- 2

7.2.2 When the "ERROR" LED is on or flashing......................................................................................7- 2

7.2.3 When an analog output value is not output.....................................................................................7- 3

7.2.4 Checking the D/A conversion module status using GX Developer system monitor......................7- 4

A - 7 A - 7

APPENDIX App- 1 to App- 4

Appendix 1 Function upgrade for the D/A conversion module.................................................................App- 1

Appendix 1.1 A comparison of functions of the D/A conversion module..............................................App- 1

Appendix 1.2 Combinations of functions of the function version B D/A conversion module

and the GX Configurator-DA software version...............................................................App- 1

Appendix 1.3 Precautions when replacing the function version A module with function version B ....App- 2

Appendix 2. External Dimension Diagram ................................................................................................App- 3

INDEX Index- 1 to Index- 2

A - 8 A - 8

Conformation to the EMC Directive and Low Voltage Instruction

For details on making Mitsubishi PLC conform to the EMC directive and low voltage instruction when installin g it in your produc t, ple as e see Chapter 3, "EM C Direc ti ve and Low Voltage Instruction" of the User's Manual (Hardware) of the CPU module to use.

The CE logo is printed on the rating plate on the main body of the PLC that conforms to the EMC directive and low voltage instruction.

By making this product conform to the EMC directive and low voltage instruction, it is not necessary to make those steps individually.

About the Generic Terms and Abbreviations

Unless otherwise specified, this manual uses the following generic terms and abbreviations.

Abbreviation/general terms Description of the abbreviation/general terms D/A conversion module Generic term for Q62DA, Q64DA, Q68DAV Q68DAI DOS/V personal computer IBM PC/AT® or compatible computer with DOS/V.

GX Developer

Generic product name of the product types SWnD5C-GPPW-E, SWnD5C-GPPW-EA, SWnD5C-GPPW-EV and SWnD5C-GPPW-EVA. "n" in the model name is 4 or greater.

GX Configurator-DA

Generic term for digital-analog conversion module setting and monitor tool GX Configurator-DA (SW0D5C-QDAU-E)

QCPU (Q mode)

Generic term for Q00JCPU, Q00CPU, Q01CPU, Q02CPU, Q02HCPU, Q06HCPU, Q12HCPU and Q25HCPU

Personal computer Generic term for DOS/V personal computer

A - 9 A - 9

Product Structure

The product structure of this product is given in the table below.

Manual Name

Product name Quantity

Q62DA Q62DA Model Digital-Analog Conversion module 1 Q64DA Q64DA Model Digital-Analog Conversion module 1

Q68DAV Model Digital-Analog Conversion module 1

Q68DAV

FG terminal L-Shaped metal fitting 1 Q68DAI Model Digital-Analog Conversion module 1

Q68DAI

FG terminal L-Shaped metal fitting 1 SW0D5C-QDAU-E GX Configurator-DA Version 1(1-license product) (CD-ROM) 1 SW0D5C-QDAU-EA GX Configurator-DA Version 1(Multiple-license product) (CD-ROM) 1

1 - 1 1 - 1

MELSEC-Q

1 OVERVIEW

This User's Manual describes the specifications, handling and programming methods for the Q62DA type digital-analog conversion module (hereinafter referred to as the Q62DA), the Q64DA type digital-analog conversion module (hereinafter referred to as the Q64DA), the Q68DAV type digital-analog conversion module (hereinafter referred to as the Q68DAV) and the Q68DAI type digital-analog conversion module (hereinafter referred to as the Q68DAI) which are used in conjunction with MELSECQ series CPU module (hereinafter referred to as the PLC CPU). In this manual, the Q62DA, Q64DA, Q68DAV and Q68DAI are collectively referred to as the D/A (Digital-Analog) conversion modules.

1.1 Features (1) Available models

• Q62DA

........

2 channels: Voltage or current output can be selected for each

channel.

• Q64DA

........

4 channels: Voltage or current output can be selected for each

channel.

• Q68DAV

........8 channels: All of which are voltage output.

• Q68DAI

........

8 channels: All of which are current output.

(2) High-speed conversion processing

Conversion processing is performed at a speed of 80 s/channel.

(3) High degree of accuracy

The conversion accuracy is ± 0.1% (When the ambient temperature is 25 ± 5 °C).

(4) Changing the resolution mode

The resolution mode can be changed according to the application, and digitalvalue resolution settings of 1/4000, 1/12000 or 1/16000 can be selected.

(5) Changing the output range

The output range

can easily be changed using GX Developer

1 The output range refers to the type of offset/gain settings. The most

frequently used range is set as the default but the user can also specify their own offset/gai n set tin g s.

(6) Synchronous output function

This function sets a constant time (120 s) until the analog value is output after the digital value is written from the PLC CPU. Highly accurate analog control can be achieved by combining this function with a constant cycle execution type program for the PLC CPU or the constant scan function

2 The constant scan function executes the sequence program within a fixed

time interval.

(7) Analog output HOLD/CLEAR function

This function i s se t to ei th e r re tai n o r cl ea r th e an al og out pu t valu e wh en th e CP U module is in the STOP status or when a stop error occurs.

1 - 2 1 - 2

MELSEC-Q

1 OVERVIEW

(8) Easy settings using the utility package

A utility package is sold separately (GX Configurator-DA). The utility package is not a required item. However, it can be used to set initial settings and automatic refresh settings on screen, reduce sequence programs, and check settings and operating status.

1.2 Functions Added by Function Version B

The functions added by the function version B D/A conversion module are listed below.

Item Function overview Reference section

Multiple PLC system compatibility

Compatible with a Multiple PLC system. Section 2.1

Analog output test during PLC CPU STOP

When the CH. output enable/disable flag is forced ON during PLC CPU STOP, the D/A converted value is output.

Section 3.2.3

Resolution mode

The resolution mode can be changed according to the application, and a resolution setting can be selected from 1/4000, 1/12000 and 1/16000.

Section 3.2

High resolution mode status flag (X8)

This turns ON when in high resolution mode. Section 3.3

POINT

(1) See Appendix 1.1 for a comparison of functions of the function version. (2) See Section 2.2 on how to check the function version.

2 - 1 2 - 1

MELSEC-Q

2 SYSTEM CONFIGURATION

2.1 Applicable Systems

This section describes the system configuration for the D/A conversion module.

(1) Applicable module and the number o f modules that can be installed

The following are the CPU module and network module (for remote I/O stations) in which the D/A conversion module can be installed and the number of modules that can be installed.

Applicable module

Number of modules that

can be installed

Remarks

Q02CPU Q02HCPU Q06HCPU Q12HCPU Q25HCPU

Maxi mum 64

Can be installed in Q mode only (

)

Q00JCPU Max imum 16

CPU module

Q00CPU

Q01CPU

Maxi mum 24

(

)

Network module

QJ72LP25-25

QJ72BR15

QJ72LP25G

QJ71LP25GE

Maxi mum 64

MELSECNET/H Remote I/O station (

)

1 See User's Manual (Function Explanation, Program Fundamentals) for the CPU module to use. 2 See Q Corresponding MELSECNET/H Network System Reference Manual (Remote I/O

network).

(2) Base unit in which the conversion module can be installed

The D/A conversion module can be installed in any I/O slot ( 3) of the base unit. However, a power shortage may occur depending on the combination with other installed modules and the number of modules used, so always take into consideration the power supply capacity when installing modules.

3 Limited to the range of the number of I/O points in the CPU module and network module (for

remote I/O stations) .

(3) Compatibility with a multiple PLC system

First read the QCPU (Q mode) user's manual (Function Explanation, Program Fundamentals) if the D/A conversion module is used with a multiple PLC system. (a) Compatible D/A conversion module

Use a D/A conversion module with function version B or higher if using the module in a multiple PLC system.

(b) Intelligent function module parameters

Perform PLC write of the intelligent function module parameters to the control PLC of the D/A conversion module only.

2 - 2 2 - 2

MELSEC-Q

2 SYSTEM CONFIGURATION

(4) Software packages supported

Correspondence between systems which use D/A conversion modules and software packages are as shown below. The GX Developer is necessary when using a D/A conversion module.

Software Version

GX Developer

GX Configurator-DA

If installed in the Q02/Q02H/Q06H/ Q12H/Q25HCPU

Version 4 or later

SW0D5C-QDAU-E 00A

or later

If installed in the Q00J/Q00/Q01CPU

Version 7 or later

Version 1.10L or later

(cannot be used with the

SW0D5C-QDAU-E

60G or earlier versions).

If installed in a multiple PLC system Version 6 or later

SW0D5C-QDAU-E 20C

or later If installed in a MELSECNET/H remote I/O station

Version 6 or later

SW0D5C-QDAU-E 50F

or later

4 It is not compatible with the high resolution mode in SW0D5C-QDAU-E 10B or earlier versions.

See Appendix 1.2 for details.

2 - 3 2 - 3

MELSEC-Q

2 SYSTEM CONFIGURATION

2.2 How to Check the Function Version and Softw are Ver si on

This section describes how to check the function version of the D/A conversion module and the GX Configuration-DA software version.

(1) How to check the function version of the D/A conv ersi on modul e

(a) To check the version using the "SERIAL column of the rating plate" located

on the side of the module

Function version

(b) To check the version using the GX Developer

See Section 7.2.4 of this manual.

(2) How to check the GX Configuration-DA softwar e versi on

The GX Configuration-DA software version can be checked in GX Developer's "Product information" screen.

[Startup procedure]

GX Developer "Help" Product information

Software version

(In the case of GX Developer Version 7)

2 - 4 2 - 4

MELSEC-Q

2 SYSTEM CONFIGURATION

REMARK

The version indication for the GX Configurator-DA has been changed as shown below from the SW0D5C-QDAU-E 60G upgrade product.

Previous product Upgrade and subsequent versions

SW0D5C-QDAU-E 60G

GX Configurator-DA Version 1.10L

3 - 1 3 - 1

MELSEC-Q

3 SPECIFICATIONS

3.1 Performance Specifications

3.1.1 Performance specifications list Table 3.1 Performance specifications list

Model name

Item

Q62DA Q64DA Q68DAV Q68DAI

Number of analog output points 2 points (2 channels) 4 points (4 channels) 8 points (8 channels) Digital input

16-bit signed binary (normal resolution mode: -4096 to 4095,

high resolution mode : -1 228 8 to 122 87 , - 1638 4 to 1638 3)

Voltage

–10 to 10 V DC (External load resistance value: 1 k

to 1M )

—

Analog output

Current

0 to 20 mA DC

(External load resistanc e value: 0

to 600 )

—

0 to 20 mA DC

(External load resistance

value: 0

to 600 )

Normal resolution mode High resolu tion mode

Analog output range

Digital input value

Maximum resolution

Digital input value

Maximum

resolution 0 to 5V 1.25 mV 0.416 mV 1 to 5V

0 to 4000

1.0 mV

0 to 12000

0.333 mV

-10 to 10V 2.5 mV -16000 to 16000 0.625 mV

Voltage

User range

setting

-4000 to 4000

0.75 mV -12000 to 12000 0.333 mV

0 to 20 mA 5 A1.66 A 4 to 20 mA

0 to 4000

4 A

0 to 12000

1.33

Current

User range

setting

-4000 to 4000 1.5

A -12000 to 12000 0.83 A

I/O characteristics, Maximum resolution

Ambient temperature 25 ± 5 °C

Within ± 0.1 % (Voltage: ±10 mV, Current: ± 20

Accuracy (Accuracy in respect to maximum analog output value)

Ambient temperature 0 to 55 °C

Within ± 0.3 % (Voltage: ± 30 mV, Current: ± 60

Conversion spe ed

s/channel

Voltage ± 12 V —

Absolute maximum output

Current 21 mA — 21 mA

Output short circuit protection Available

Insulation method

Between the I/O terminal and PLC power supply :

Between output cha nne ls :

Between ext e rnal supply power and ana log output :

Photo coupler ins u la t ion No insula t io n

No insula t io n Number of occupied points 16 points Connected terminals 18-points terminal block Applicable wire size 0.3 to 0.75 mm

Applicable solde rless terminal

R 1.25-3

(A solderles s te r minal w ith s le ev e ca nn ot b e used)

FG terminal: R1.25- 3, 1.2 5-YS3, R AV1. 25 - 3, V1.25- YS3 A Other terminals th an F G: R1 .25- 3 ( A so ld erles s ter mina l

with sleeve cannot be used)

24 V DC + 20 %, – 15 %

Ripple, spike 50 0 mV P- P or l es s

Inrush current: 1.9 A,

within 300

Inrush current: 3.1 A,

within 300 s

Inrush current: 3.3 A,

within 70 s

Inrush current: 3.1 A,

within 75 s

External supp ly powe r

0.12 A0.18 A0.19 A0.28 A

Internal current consumption (5 V DC)

0.33 A0.34 A0.39 A0.38 A

Weight

0.19 kg 0.18 kg

REMARK

See the user's manual for the CPU module being used for the general specifications for the D/A conversion module.

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MELSEC-Q

3 SPECIFICATIONS

3.1.2 I/O conversion characteristics

I/O conversion cha ra cte ri st i cs are u sed fo r co nve rti ng th e di gi ta l value written fro m the PLC CPU to an analog output value (voltage or current output), and represented by inclined straight lines when offset and gain values are included.

Offset value

The offset value becomes the analog output value (voltage or current) when the digital input value set from the PLC CPU is 0.

Gain value

The gain value denotes the analog output value (voltage or current) when the digital input value set from the PLC CPU is 4000 (in normal resolution mode), 12000 (when 1 to 5V, 0 to 5V, 4 to 20 mA, 0 to 20 mA or the user range setting is

selected in high resol u tio n mode) ,

16000 (when -10 to 10V is selected in high resolution mode).

3 - 3 3 - 3

MELSEC-Q

3 SPECIFICATIONS

(1) Voltage output characteristic

(a) Voltage output characteristic in normal resolution mode

Figure 3.1 shows a graph of the voltage output characteristic in normal resolution mode.

Analog output value (V)

Digital input value

4095

40002000-2000-4000-4096

-10

-5

Analog output pratical range

Number

Output value range setting

Offset value Gain value Digital input value

Maximum resolution

1) 1 to 5 V 1 V 5 V 1.0 mV

2) 0 to 5 V 0 V 5 V

0 to 4000

1.25 mV

3) –10 to 10 V 0 V 10 V –4000 to 4000 2.5 mV —

User range setting

1 1

–4000 to 4000 0.75 mV

Figure 3.1 Voltage output characteristic in nor mal r esol ution mode

3 - 4 3 - 4

MELSEC-Q

3 SPECIFICATIONS

(b) Voltage output characteristic in high resolution mode

Figure 3.2 shows a graph of the voltage output characteristic in high resolution mode.

Analog output value (V)

Digital input value

16383160008000-8000-16000-16384

-10

-5

Analog output practical range

12000

12287

Number

Output value range setting

Offset value Gain value Digital input value

Maximum resolution

1) 1 to 5 V 1 V 5 V 0.333 mV

2) 0 to 5 V 0 V 5 V

0 to 12000

0.416 mV

3) –10 to 10 V 0 V 10 V –16000 to 16000 0.625 mV —

User range setting

1 1

–12000 to 12000 0.333 mV

Figure 3.2 Voltage output characteristic in hig h r esoluti on mode

3 - 5 3 - 5

MELSEC-Q

3 SPECIFICATIONS

POINT

(1) Set within the digi ta l in p ut rang e an d an al og ou tpu t rang e fo r each out pu t

range. If these ranges are exceeded, the maximum resolution and accuracy may not fall within the performance specifications. (Avoid using the dotted line area shown in Figures 3.1 and 3.2.)

(2) Set the offset/gain values for the user setting range

1 within a range in which

the following conditions are satisfied. (a) Setting range is from –10 to 10 V. (b) { (Gain value) – (Offset value ) } > A

Normal resolution mode High resolution mode

3.0 V 4.0 V

3 - 6 3 - 6

MELSEC-Q

3 SPECIFICATIONS

(2) Current output characteristic

(a) Current output characteristic in normal resolution mode

Figure 3.3 shows a graph of the current output characteristic in normal resolution mode.

Analog output practical range

5 4

0 2000 4095

Digital input value

4000

Analog output value (mA)

Number

Output value range setting

Offset value Gain value Digital input value

Maximum resolution

1) 4 to 20 mA 4 mA 20 mA

2) 0 to 20 mA 0 mA 20 mA

0 to 4000

—

User range setting

1 1

–4000 to 4000

1.5

Figure 3.3 Current output characteristic in nor mal r esoluti on mode

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(b) Current output characteristic in high resolution mode

Figure 3.4 shows a graph of the current output characteristic in high resolution mode.

5 4

0 6000 12287

Digital input vaule

12000

Analog output practical range

Analog output value (mA)

Number

Output value range setting

Offset value Gain value Digital input value

Maximum resolution

1) 4 to 20 mA 4 mA 20 mA

1.66

2) 0 to 20 mA 0 mA 20 mA

0 to 12000

1.33

—

User range setting

1 1

–12000 to 12000

0.83

Figure 3.4 Current output characteristic in hig h r esoluti on mode

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POINT

(1) Set within the digi ta l in p ut rang e an d an al og ou tpu t rang e fo r each out pu t

range.

If these ranges are exceeded, the maximum resolution and accuracy may not

fall within the performance specifications. (Avoid using the dotted line area

shown in Figures 3.3 and 3.4.)

(2) Set the offset/gain values for the user setting range

1 within a range in which

the following conditions are satisfied. (a) Setting range is from 0 to 20 mA (b) { (Gain value) – (Offset value ) } > A

Normal resolution mode High resolution mode

6.0 mA 10.0 mA

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3.1.3 Accuracy

Accuracy is represented with respect to the maximum analog output value. Accuracy does not change and remains within the range listed in the performance specification even if the output characteristic is changed by changing offset/gain settings, output range and resolution mode. Figure 3.5 show s t he ra ng e o f fl u ctu at ion in accu r a cy wh en a -1 0 to 10V r ange is selected and in normal resolution mode. Accuracy for the analog output is within ± 0.1% (± 10 mV) when the ambient temperature is 25 ± 5 °C and within ± 0.3% (± 30 mV) when the ambient temperature is 0 to 55°C.

–10

–4000 0 +4000

Digital input value

Fluctuation range

Analog output value (V)

Figure 3.5 Accuracy

3.1.4 Conversion speed

The conversion speed per channel for the Q62DA, Q64DA, Q68DAV and Q68DAI is "80

s the number of conversion enabled channels".

By setting the unused channels to D/A conversion disabled in buffer memory address 0 (Un\G0), the conversion speed can be increased.

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3.2 D/A Conversion Module Function

Table 3.2 shows the function of the D/A conversion modules.

Table 3.2 Function list

Item Function Reference section

D/A conversion enable/disable function

(1) Specifies whether to enable or disable the D/A conversion for each channel. (2) By disabling the D/A conversion for the channels that are not used, the

conversion speed can be shortened.

Section 3.4.2

D/A output enable/disable function

(1) Specifies whether to output the D/A converted value or the offset value for

each channel.

(2) The conversion speed stays constant regardless of w hether D/A output is

enabled or disabled.

Section 3.3.1

Synchronous output function

(1) An analog output synchronized with the PLC CPU can be obtained. Section 3.2.1

Analog output HOLD/CLEAR function

(1) The output analog value can be retained when the PLC CPU module is

placed in the STOP status or when an error occurs.

Section 3.2.2

Analog output test during PLC CPU STOP

(1) When the CH. output enable/disable flag is forced ON during PLC CPU

STOP, the D/A converted analog value is output.

Section 3.2.3

Resolution mode

(1) The resolution mode can be changed according to the application, and a

resolution setting can be selected from 1/4000, 1/12000 and 1/16 000. (2) The resolution mode setting is applicable to all channel s. (3) See Section 3.1.1 for the digital input values and maximum resolution in

normal resolution mode and high resolution mode.

Section 3.1.1

Section 4.5

3.2.1 Synchronous output function

An analog output that is synchronized with the PLC CPU can be obtained. The analog output will be updated a fter the syn chronou s output requ est (YD) i s set to ON and the time specified a s "PLC CPU p rocessi ng time + 120

s" has elapsed. However, the ana log outp ut will b e fi xed t o CH1, an d oth e r ch ann el s ( CH2 t o CH8) cannot be used.

Digital write from the PLC CPU

Synchronous output request (YD)

Analog output value

Always constant

Write command

DELTA YD

T0 K1 D0 K1H0

Digital value wri te

Outputs synchronous output request as a pulse

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Mitsubishi Q62DA, Q68DAI, Q64DA, Q68DAV, GX Configurator-DA User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual