Mitsubishi Electric MELSEC-Q64DA Manuel utilisateur

MELSEC-Q Digital-Analog Converter Module FB Library Reference Manual

Applicable modules:

Q64DA, Q64DAN

Reference Manual Revision History...............................................................................................................................2

1. Overview ............................................................................................................................................................3

1.1. Overview of the FB Library .............................................................................................................................3

1.2. Function of the FB Library...............................................................................................................................3

1.3. System Configuration Example ......................................................................................................................4

1.4. Relevant Manuals ...........................................................................................................................................4

1.5. Note.................................................................................................................................................................4

2. Details of the FB Library.....................................................................................................................................5

2.1. M+Q64DA_WriteDAVal (DAconversion data write) .......................................................................................5

2.2. M+Q64DA_WriteAllDAVal (DA conversion data write (All CHs))....................................................................9

2.3. M+Q64DA_SetDAConversion (DAconversion enable/disable setting).......................................................13

2.4. M+Q64DA_SetDAOutput (DA output enable/disable setting)......................................................................17

2.5. M+Q64DA_RequestSetting (Operating condition setting request operation)..............................................21

2.6. M+Q64DA_SetOffsetVal (Offset setting) ......................................................................................................25

2.7. M+Q64DA_SetGainVal (Gain setting)..........................................................................................................30

2.8. M+Q64DA_ErrorOperation (Error operation) ...............................................................................................35

Appendix 1. FB LibraryApplication Examples.........................................................................................................39

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Reference Manual Revision History

Reference Manual Number Date Description

FBM-M042-A 2010/12/10 First edition

FBM-M042-B 2015/03/27 1)Added applicable GX Works2 Version.

•This FB is able to install on GX Works2 of all language versions.

2) Added the following "FB Version Upgrade History".

•M+Q64DA_SetOffsetVal

•M+Q64DA_SetGainVal

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1. Overview

1.1. Overview of the FB Library

This FB Library is for using the MELSEC-Q Digital-Analog Converter Module.

1.2. Function of the FB Library

Item Description

M+Q64DA_WriteDAVal Writes DA conversion data of a specified channel.

M+Q64DA_WriteAllDAVal Writes DA conversion data of all channels.

M+Q64DA_SetDAConversion Sets the DA conversion enable/disable setting of a specified channel

or all channels.

M+Q64DA_SetDAOutput Sets the DA output e

nable/disable setting of a specified channel or all

channels.

M+Q64DA_RequestSetting Enables settings of each function.

M+Q64DA_SetOffsetVal Performs offset setting of a specified channel.

M+Q64DA_SetGainVal Performs gain setting of a specified channel.

M+Q64DA_ErrorOperation Monitors error codes and performs error reset.

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1.3. System Configuration Example

CPU module (QCPU)

D/A converter module (Q64DA)

Power supply module

Input module (QX40)

Output module (QY40)

1.4. Relevant Manuals

•Digital-Analog Converter Module User's Manual

•QCPU User's Manual (Hardware Design, Maintenance and Inspection)

•GX Works2 Version 1 Operating Manual (Common)

•GX Works2 Version 1 Operating Manual (Simple Project, Function Block)

1.5. Note

Please make sure to read user's manuals for the corresponding products before using the products.

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2. Details of the FB Library

2.1. M+Q64DA_WriteDAVal (DA conversion data write)

FB Name

M+Q64DA_WriteDAVal

Function Overview

Item Description

Function overview Writes DAconversion data of a specified channel.

Symbol

Execution command B : FB_EN FB_ENO : B Execution status

Module start XY address W : i_Start_IO_No FB_OK : B Completed without error

Channel No. W : i_CH FB_ERROR : B Error flag

Digital value W : i_DA_Value ERROR_ID : W Error code

M+Q64DA_WriteDAVal

Applicable hardware

and software

Digital-analog

converter module

Q64DA, Q64DAN

CPU module

Series Model

MELSEC-Q Series* High performance model

Universal model

* Not applicable for QCPU (A mode)

Engineering software GX Works2 *1

Language Software version

Japanese version Version1.86Q or later

English version Version1.24A or later

Chinese (Simplified) version Version1.49B or later

Chinese (Traditional) version Version1.49B or later

Korean version Version1.49B or later

*1 For software versions applicable to the modules used, refer to

"Relevant Manuals".

Programming

language

Ladder

Number of steps 181 steps (for MELSEC-Q series universal model CPU)

* The number of steps of the FB in a program depends on the CPU model that is used and

input and output definition.

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Item Description

Function description 1) By turning ON FB_EN (Execution command), DA conversion data is written to the

specified channel.

2) The DA conversion data to be written depends on the resolution mode setting.

3) When the input value is invalid, the FB_ERROR output turns ON, processing is

interrupted, and the error code is stored in ERROR_ID (Error code).

Refer to the error code explanation section for details.

Compiling method Macro type

Restrictions and

precautions

1) The FB does not include error recovery processing. Program the error recovery

processing separately in accordance with the required system operation.

2) The FB cannot be used in an interrupt program.

3) Please ensure that the FB_EN signal is capable of being turned OFF by the program. Do

not use this FB in programs that are only executed once such as a subroutine,

FOR-NEXT loop, etc. because it is impossible to turn OFF.

4) When two or more of these FBs are used, precaution must be taken to avoid repetition of

the target channel.

5) This FB uses index registers Z7, Z8 and Z9. Please do not use these index registers in

an interrupt program.

6) Every input must be provided with a value for proper FB operation.

7) If the auto refresh is set using GX Configurator-DA or the configuration function of GX

Works 2, using this FB is unnecessary.

8) T

he output range, synchronous output mode, resolution mode, and operation mode must

be configured to match devices and systems connected to the Q64DAmodule.

Configure these settings by making the GX Works2 switch setting according to the

application.

For details on how to use the intelligent function module switch setting, refer to GX

Works2 Operating Manual (Common).

FB operation type Real-time execution

Application example Refer to "Appendix 1. FB LibraryApplication Examples".

Timing chart [When operation completes without error] [When an error occurs]

Refreshing

stop

FB_EN

(Execution command)

FB_ENO

(Execution status)

FB_OK

(Completed without error)

FB_ERROR(Error flag)

ERROR_ID(Error code) 0

CH digital input value

(Un\ G1 to 4)

Refreshing

stop Refreshing

FB_EN

(Execution command)

FB_ENO

(Execution status)

FB_OK

(Completed without error)

FB_ERROR (Error flag)

ERROR_ID (Error code) 010(Decimal) 0

CH digital input value

(Un\ G1 to 4) Refreshing stop

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Item Description

Relevant manual •Digital-Analog Converter Module User's Manual

•QCPU User's Manual (Hardware Design, Maintenance and Inspection)

•GX Works2 Version 1 Operating Manual (Common)

•GX Works2 Version 1 Operating Manual (Simple Project, Function Block)

Error codes

Error code list

Error code Description

10 (Decimal) The specified target channel is not valid. The target channel is not within the range of the

number of channels of the mounted module. Please try again after confirming the setting.

Labels

Input labels

Name (Comment) Label name Data

type

Setting range Description

Execution

command

FB_EN Bit ON, OFF ON: The FB is activated.

OFF: The FB is not activated.

Module start XY

address

i_Start_IO_No Word Depends on the I/O point

range. For details, refer to

the CPU user's manual.

Specify the starting XY

address (in hexadecimal)

where the Q64DA module is

mounted. (For example, enter

H10 for X10.)

Channel No. i_CH Word 1~4 Specify the channel number.

Digital value i_DA_Value Word Depends on the output

range setting and resolution

setting of the specified

channel.

For details on the setting

range of the digital value, refer

to the relevant manual.

Output labels

Name (Comment) Label name Data

type

Initial

value

Description

Execution status FB_ENO Bit OFF ON: Execution command is ON

OFF: Execution command is OFF.

Completed without

error

FB_OK Bit OFF When ON, it indicates that DAconversion value is

being written.

Error flag FB_ERROR Bit OFF When ON, it indicates that an error has occurred.

Error code ERROR_ID Word 0 FB error code output.

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FB Version Upgrade History

Version Date Description

1.00A 2010/12/10 First edition

Note

This chapter includes information related to the M+Q64DA_WriteDAVal function block.

It does not include information on restrictions of use such as combination with digital-analog converter modules or

programmable controller CPUs.

Before using any Mitsubishi products, please read all the relevant manuals.

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2.2. M+Q64DA_WriteAllDAVal (DA conversion data write (All CHs))

FB Name

M+Q64DA_WriteAllDAVal

Function Overview

Item Description

Function overview Writes DAconversion data of all channels.

Symbol

Execution command B : FB_EN FB_ENO : B Execution status

Module start XY address

W : i_Start_IO_No FB_OK : B Completed without error

Channel 1 digital value W : i_DA_ValueCH1 FB_ERROR : B Error flag

Channel 2 digital value W : i_DA_ValueCH2 ERROR_ID : W Error code

Channel 3 digital value W : i_DA_ValueCH3

Channel 4 digital value W : i_DA_ValueCH4

M+Q64DA_WriteAllDAVal

Applicable hardware

and software

Digital-analog

converter module

Q64DA, Q64DAN

CPU module

Series Model

MELSEC-Q Series* High performance model

Universal model

* Not applicable for QCPU (A mode)

Engineering software GX Works2 *1

Language Software version

Japanese version Version1.86Q or later

English version Version1.24A or later

Chinese (Simplified) version Version1.49B or later

Chinese (Traditional) version Version1.49B or later

Korean version Version1.49B or later

*1 For software versions applicable to the modules used, refer to

"Relevant Manuals".

Programming

language

Ladder

Number of steps 177 steps (for MELSEC-Q series universal model CPU)

* The number of steps of the FB in a program depends on the CPU model that is used and

input and output definition.

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Item Description

Function description 1) By turning ON FB_EN (Execution command), DAconversion data is written to the all

channels.

2) The DAconversion data to be written to the all channels depends on the resolution mode

setting.

Compiling method Macro type

Restrictions and

precautions

1) The FB does not include error recovery processing. Program the error recovery

processing separately in accordance with the required system operation.

2) The FB cannot be used in an interrupt program.

3) Please ensure that the FB_EN signal is capable of being turned OFF by the program. Do

not use this FB in programs that are only executed once such as a subroutine,

FOR-NEXT loop, etc. because it is impossible to turn OFF.

4) When two or more of these FBs are used, precaution must be taken to avoid repetition of

the target channel.

5) This FB uses index registers Z8 and Z9. Please do not use these index registers in an

interrupt program.

6) Every input must be provided with a value for proper FB operation.

7) If the auto refresh is set using GX Configurator-DA or the configuration function of GX

Works 2, using this FB is unnecessary.

8) The output range, synchronous output mode, resolution mode, and operation mode must

be configured to match devices and systems connected to the Q64DAmodule.

Configure these settings by making the GX Works2 switch setting according to the

application.

For details on how to use the intelligent function module switch setting, refer to GX

Works2 Operating Manual (Common).

FB operation type Real-time execution

Application example Refer to "Appendix 1. FB LibraryApplication Examples".

Timing chart

Refreshing

stop

FB_EN

(Execution command)

FB_ENO

(Execution status)

FB_OK

(Completed without error)

FB_ERROR(Error flag)

ERROR_ID(Error code) 0

CH digital input value

(Un\ G1 to 4)

Refreshing

stop Refreshing

Relevant manual •Digital-Analog Converter Module User's Manual

•QCPU User's Manual (Hardware Design, Maintenance and Inspection)

•GX Works2 Version 1 Operating Manual (Common)

•GX Works2 Version 1 Operating Manual (Simple Project, Function Block)

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