Mitsubishi Q62DA User Manual
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Mitsubishi Q62DA User Manual

Mitsubishi Q62DA User Manual

Logic, melsec-1 series
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Digital-Analog Converter
Module
User's Manual
Mitsubishi Programmable
Logic Controller
Q62DA
Q64DA
Q68DAV
Q68DAI
GX Configurator-DA
(SW0D5C-QDAU-E)

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Summary of Contents for Mitsubishi Q62DA

  • Page 1 Digital-Analog Converter Module User's Manual Q62DA Q64DA Q68DAV Mitsubishi Programmable Q68DAI Logic Controller GX Configurator-DA (SW0D5C-QDAU-E)

  • Page 2: Safety Precautions

    • 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.
  • Page 3 [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 specifications may cause electric shock, fire, malfunction, and damage to or deterioration of the product.
  • Page 4 [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. •...

  • Page 5: Revisions

    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.

  • Page 6: Table Of Contents

    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.
  • Page 7 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 ..........................
  • Page 8 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.

  • Page 9: Conformation To The Emc Directive And Low Voltage Instruction

    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 installing it in your product, please see Chapter 3, "EMC Directive and Low Voltage Instruction" of the User's Manual (Hardware) of the CPU module to use.

  • Page 10: Product Structure

    The product structure of this product is given in the table below. Product name Quantity Manual Name Q62DA Q62DA Model Digital-Analog Conversion module Q64DA Q64DA Model Digital-Analog Conversion module Q68DAV Model Digital-Analog Conversion module Q68DAV FG terminal L-Shaped metal fitting...

  • Page 11: Overview

    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.

  • Page 12: Functions Added By Function Version B

    1 OVERVIEW MELSEC-Q (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.

  • Page 13: System Configuration

    2 SYSTEM CONFIGURATION 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 of 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.
  • Page 14 2 SYSTEM CONFIGURATION MELSEC-Q (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 Configurator-DA GX Developer If installed in the Q02/Q02H/Q06H/ SW0D5C-QDAU-E 00A Version 4 or later...

  • Page 15: How To Check The Function Version And Software Version

    2 SYSTEM CONFIGURATION MELSEC-Q 2.2 How to Check the Function Version and Software Version 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 conversion module (a) To check the version using the "SERIAL column of the rating plate"...
  • Page 16 2 SYSTEM CONFIGURATION MELSEC-Q 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 2 - 4 2 - 4...

  • Page 17: Specifications

    3 SPECIFICATIONS MELSEC-Q 3 SPECIFICATIONS 3.1 Performance Specifications 3.1.1 Performance specifications list Table 3.1 Performance specifications list Model name Q62DA Q64DA Q68DAV Q68DAI Item Number of analog output points 2 points (2 channels) 4 points (4 channels) 8 points (8 channels)

  • Page 18: I/O Conversion Characteristics

    3 SPECIFICATIONS MELSEC-Q 3.1.2 I/O conversion characteristics I/O conversion characteristics are used for converting the digital value written from 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.
  • Page 19 3 SPECIFICATIONS MELSEC-Q (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. -4096 -4000 -2000 2000 4000 4095 Digital input value Output value Maximum Number Offset value...
  • Page 20 3 SPECIFICATIONS MELSEC-Q (b) Voltage output characteristic in high resolution mode Figure 3.2 shows a graph of the voltage output characteristic in high resolution mode. -16384 -16000 -8000 8000 12000 16000 16383 12287 Digital input value Output value Maximum Number Offset value Gain value Digital input value...
  • Page 21 3 SPECIFICATIONS MELSEC-Q POINT (1) Set within the digital input range and analog output range for each output 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...
  • Page 22 3 SPECIFICATIONS MELSEC-Q (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. 2000 4000 4095 Digital input value Output value Maximum Number Offset value Gain value Digital input value range setting...
  • Page 23 3 SPECIFICATIONS MELSEC-Q (b) Current output characteristic in high resolution mode Figure 3.4 shows a graph of the current output characteristic in high resolution mode. 6000 12000 12287 Digital input vaule Output value Maximum Number Offset value Gain value Digital input value range setting resolution 4 to 20 mA...
  • Page 24 3 SPECIFICATIONS MELSEC-Q POINT (1) Set within the digital input range and analog output range for each output 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...

  • Page 25: Accuracy

    Digital input value Figure 3.5 Accuracy 3.1.4 Conversion speed The conversion speed per channel for the Q62DA, Q64DA, Q68DAV and Q68DAI is "80 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.

  • Page 26: D/A Conversion Module Function

    3 SPECIFICATIONS MELSEC-Q 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 (1) Specifies whether to enable or disable the D/A conversion for each channel. D/A conversion (2) By disabling the D/A conversion for the channels that are not used, the Section 3.4.2 enable/disable function...

  • Page 27: Analog Output Hold/Clear Function

    0 V/0 mA 0 V/0 mA 0 V/0 mA in Q64DA, Q62DA, Q68DAV or Q68DAI 1 This occurs when program operations are not completed within the scheduled time due to a hardware problem of the D/A conversion module. When a watchdog timer error occurs, module READY (X0) turns OFF and the D/A conversion module RUN LED turns off.

  • Page 28: Analog Output Test During Plc Cpu Stop

    3 SPECIFICATIONS MELSEC-Q 3.2.3 Analog output test during PLC CPU STOP When the PLC CPU stops, an analog output test as shown in Table 3.4 can be performed. The analog output test performs the following operations in GX Developer device testing or GX Configurator-DA selection testing described in Section 5.6.1.

  • Page 29: I/O Signals For The Plc Cpu

    1 These signals cannot be used by the user since they are used by the system. If these are turned ON/OFF by the sequence program, the functioning of the D/A conversion module cannot be guaranteed. 2 For Q62DA, Y3 to Y8 cannot be used. For Q64DA, Y5 to Y8 cannot be used. 3 - 13...

  • Page 30: Details Of I/O Signals

    3 SPECIFICATIONS MELSEC-Q 3.3.2 Details of I/O signals I/O signals for the D/A conversion module are explained in detail below. (1) Input signals Device No. Signal name Description (1) When the PLC CPU is powered on or reset, this signal turns on once the preparation for D/A conversion has been completed, and D/A conversion processing is then performed.
  • Page 31 3 SPECIFICATIONS MELSEC-Q Device No. Signal name Description (1) This is used as an interlock condition for setting the channel change request (YB) to ON/OFF when changing the channel for which the offset/gain settings are to be performed. (2) See Section 4.6 regarding the offset/gain settings. Performed by the D/A conversion module Performed by the sequence program Offset/gain setting mode...
  • Page 32 3 SPECIFICATIONS MELSEC-Q (2) Output signals Device No. Signal name Description (1) Specifies whether to output the D/A converted value or offset value for each channel. output Y1 to Y8 ON: D/A converted value OFF: Offset value enable/disable flag (2) The D/A conversion speed is constant regardless of whether the output enable/disable flag is ON or OFF.

  • Page 33: Buffer Memory

    Gain specification Offset/gain adjustment value specification 1 For Q62DA, buffer memory address for CH3 to CH8 is the system area. For Q64DA, buffer memory address for CH5 to CH8 is the system area. 2 This is the initial value set after the power is turned on or the PLC CPU is reset.

  • Page 34: D/A Conversion Enable/Disable (Buffer Memory Address 0: Un\G0)

    D/A conversion enable/disable setting. (See Section 3.3.2.) (3) By default, all channels are set to D/A conversion disabled. (4) When Q62DA is used, b2 to b7 (CH3 to CH8) become invalid. b15 b14 b13 b12 b11 b10 Un\G0 1: D/A conversion disabled For Q62DA, information for b4 to b15 is fixed at 0.

  • Page 35: Ch Set Value Check Codes (Buffer Memory Addresses 11 To 18: Un\G11 To Un\G18)

    (YF) to ON after rewriting the digital value so that it is within the valid range. (5) For Q62DA, Un\G13 to Un\G18 (CH3 to CH8) become invalid. For Q64DA, Un\G15 to Un\G18 (CH5 to CH8) become invalid.

  • Page 36: Setting Range (Buffer Memory Address 20 And 21: Un\G20 And Un\G21)

    Settings for channels 1 to 4 are stored in Un\G20. Settings for channels 5 to 8 are stored in Un\G21. (2) For Q62DA, b8 to b15 (CH3 and 4 information) for Un\G20 and Un\G21 (information of CH5 to CH8) are invalid.

  • Page 37: Setup And Procedures Before Operation

    4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q 4 SETUP AND PROCEDURES BEFORE OPERATION 4.1 Handling Precautions (1) Do not drop the module case or subject it to heavy impact. (2) Do not remove the PCB of the module from its case. Doing so may cause the module to fail.
  • Page 38 4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q 4.2 Setup and Procedures before Operation Start Module mounting Mount the D/A conversion module in the specified slot. Wiring Wire external devices to the D/A conversion module. Intelligent functional module switch settings Perform settings using GX Developer (see Section 4.5).

  • Page 39: Part Identification Nomenclature

    4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q 4.3 Part Identification Nomenclature The name of each part in the D/A conversion module is listed below. Q62DA Q64DA Q68DAV Q68DAI Q62DA Q64DA Q68DAV Q68DAI ERROR ERROR ERROR ERROR IN 24VDC IN 24VDC...
  • Page 40 4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q Signal name Terminal number Q62DA Q64DA Q68DAV Q68DAI Vacant Vacant Vacant Vacant Vacant Vacant Vacant Vacant Vacant Vacant Vacant Vacant 4 - 4 4 - 4...

  • Page 41: Wiring

    4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q 4.4 Wiring The wiring precautions and examples of module connection are provided below. 4.4.1 Wiring precautions In order to optimize the functions of the D/A conversion module and ensure system reliability, external wiring that is protected from noise is required. Please observe the following precautions for external wiring: (1) Use separate cables for alternating current and the external output signal for the D/A conversion module in order to avoid AC surges and induction effects.

  • Page 42: External Wiring

    4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q 4.4.2 External wiring (1) For Q62DA and Q64DA (a) For voltage output Motor drive module, etc. conversion +15 V +24 V 24 V DC DC/DC Filter converter –15 V 1 Use a twisted two core shielded wire for the power wire.
  • Page 43 4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q (2) For Q68DAV Motor drive module, etc. conversion +15 V +24 V 24 V DC DC/DC Filter converter –15 V 1 Use a twisted two core shielded wire for the power wire. 2 If there is noise or ripples in the external wiring, connect a 0.1 to 0.47 m F25V capacitor between the V+/I+ terminal and COM.

  • Page 44: Switch Setting For Intelligent Function Module

    0 to 5 V Output range setting – 10 to 10 V (CH5 to CH8) User range setting Switch 2 CH8CH7CH6CH5 For Q62DA and Q64DA HOLD/CLEAR function setting : CLEAR 1 to F : HOLD CH4CH3CH2CH1 Switch 3 For Q68DAV and Q68DAI...
  • Page 45 1 to 5 V. • Q68DAI····················0 (2) For Q62DA and Q64DA, leave the switch2 vacant. (3) For Q68DAV and Q68DAI, the switch 3 will set in binary. Setting will be easy if the input format is changed to binary number.
  • Page 46 4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q (2) Operating procedure Start the settings with GX Developer I/O assignment setting screen. (a) I/O assignment setting screen Set the following for the slot in which the D/A conversion module is mounted. The type setting is required; set other items as needed.

  • Page 47: Offset/Gain Settings

    4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q 4.6 Offset/Gain Settings When the user range setting is used, perform the offset and gain settings according to the following procedure. If the utility package is installed, perform the offset/gain settings according to the pocedure described in Section 5.6.2.
  • Page 48 4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q POINT (1) Perform the offset/gain settings in the range that satisfies the conditions specified in Section 3.1.2, (1) and (2). When the setting exceeds this range, the maximum resolution or total accuracy may not be within the range indicated in the performance specification.
  • Page 49 4 SETUP AND PROCEDURES BEFORE OPERATION MELSEC-Q Switch to the channel where offset/gain settings will be performed Channel CH selection selection Channel Offset Gain Offset/gain Write to the channel where selection setting mode offset setting is performed. Offset Gain Offset/gain Write to the channel where setting mode gain setting is performed.

  • Page 50: Utility Package (Gx Configurator-Da)

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5 UTILITY PACKAGE (GX Configurator-DA) 5.1 Utility Package Functions Table 5.1 shows an overview of the utility package functions. Table 5.1 Utility package (GX Configurator-DA) function list Item Description Reference section (1) Sets the D/A conversion enable/disable. (2) The data for which initial setting has been completed is registered in Initial Setting the parameters for the PLC CPU, and automatically written to the...

  • Page 51: Installing And Uninstalling The Utility Package

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.2 Installing and Uninstalling the Utility Package See "Method of installing the MELSOFT Series" attached with the utility package regarding the install and uninstall operation for the utility package. 5.2.1 User precautions The following are precautions when using GX Configurator-DA: (1) Important safety information Since GX Configurator-DA is add-in software for GX Developer, read "Safety Precautions"...
  • Page 52 The number of parameter settings that can be set for one module in the GX Configurator-DA is as shown below. Object Module Initial setting Automatic refresh setting Q62DA 1 (Fixed) 5 (Maximum number of settings) Q64DA 1 (Fixed) 9 (Maximum number of settings)

  • Page 53: Operating Environment

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.2.2 Operating environment The operating environment of the personal computer where the GX Configurator-DA is used is explained. Item Peripheral devices Installation (Add-in) destination Add-in to GX Developer Version4 (English language version) or later ®...

  • Page 54: Explanation Of Utility Package Operation

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.3 Explanation of Utility Package Operation 5.3.1 How to perform common utility package operations (1) Available control keys Special keys that can be used during operation of the utility package and their applications are shown in the table below. Name of key Application Cancels a newly entered value when entering data in a cell.
  • Page 55 5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q (2) Data to be created with the utility package The data and files shown below that are created with the utility package are also processed using GX Developer operation. Figure 5.1 shows which operation processes which data or file.
  • Page 56 5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q <Text file> (a) A text file is created by performing the initial setting or automatic refresh setting, or selecting text file creation in the monitor/test screen. The text files can be utilized to create user documents. GX Developer/ GX Configurator-DA Disk...

  • Page 57: Operation Overview

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.3.2 Operation overview GX Developer screen [Tools] – [Intelligent function utility] – [Start] Intelligent function module parameter setting module select screen See Section 5.3.3 Enter "Start I/O No.", than select "Package name" and "Module model name". Initial setting Auto refresh Automatic refresh setting screen...
  • Page 58 5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q [Online] – [Monitor/test] Select monitor/test module screen Enter "Start I/O No.", than select "Package name" and "Module model name". Monitor/test screen See Section 5.6 5 - 9 5 - 9...

  • Page 59: Starting The Intelligent Function Module Utility

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.3.3 Starting the intelligent function module utility [Purpose of setting] Start the intelligent function module utility from GX Developer, and display the module selection screen for the intelligent function module utility parameter setting. The screens for performing initial setting, automatic refresh setting and monitor/test module selection (selecting the module for which testing/monitoring is to be performed) for D/A conversion module, can be started from this screen.
  • Page 60 5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q (3) Menu bar (a) File items With file operation, the intelligent function module parameters for the project opened by GX Developer can be processed. [Open file] : Reads the parameter file. [Close file] : Closes the parameter file. If revisions were made, a dialog box asking whether to save the file appears.

  • Page 61: Initial Setting

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.4 Initial Setting [Purpose of setting] Set D/A conversion enable/disable with an initial setting parameter. The initial setting parameter eliminates the need to set D/A conversion enable/disable in the sequence program. [Startup procedure] "Start I/O No. " "Package name"...

  • Page 62: Automatic Refresh Settings

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.5 Automatic Refresh Settings [Purpose of setting] Sets the buffer memory for the D/A conversion module to be automatically refreshed. [Startup procedure] "Start I/O No. " "Package name" "Module model name" Auto refresh [Setting screen] [Explanation of items] (1) Contents of the screen display Model side Buffer size...
  • Page 63 5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q (2) Explanation of command buttons A file containing the screen contents is created in text file Make text file format. Confirms the setting data and ends the operation. End setup Cancels the setting data and ends the operation. Cancel POINT The automatic refresh settings are stored in the intelligent function module...

  • Page 64: Monitor/Test

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.6 Monitor/Test 5.6.1 Monitor/test screen [Purpose of setting] Buffer memory monitoring/testing, I/O signals monitoring/testing, operating condition setting, offset/gain settings (see Section 5.6.2) are started from this screen. [Startup procedure] Monitor/test module selection screen "Start I/O No. " "Package name"...
  • Page 65 5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q Operating Offset/gain setting condition setting 5 - 16 5 - 16...
  • Page 66 5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q [Explanation of items] (1) Contents of screen display Setting item : Buffer memory name is displayed. Current value : Current value of the buffer memory is monitored. Setting value : Select or enter the data to be written into the buffer memory during test operation.

  • Page 67: Offset/Gain Setting Operation

    5 UTILITY PACKAGE (GX Configurator-DA) MELSEC-Q 5.6.2 Offset/gain setting operation Perform the offset/gain setting operation in the following sequence. (1) Switch to the offset/gain setting mode Change switch 4 for intelligent function module switch setting to the offset/gain setting mode (see Section 4.5). (2) Switch to the offset/gain setting screen Display the offset/gain setting screen using the operation described in Section 5.6.1.

  • Page 68: Programming

    (2) Program conditions If a digital value writing error occurs while a digital value is being written into the CH1 or CH2 digital value area for Q62DA, read the error code. (a) Contents of initial setting • Analog output enabled channel .......... CH1 and CH2 (b) Devices used by the user •...

  • Page 69: Programming Example Using The Utility Package

    6 PROGRAMMING MELSEC-Q 6.1 Programming Example Using the Utility Package 6.1.1 Operating the utility package (1) Initial setting (see Section 5.4.) Set the D/A conversion enable/disable setting for CH1 and CH2, to Enable. (2) Automatic refresh setting (see Section 5.5.) Set the device to store the Digital value and Set value check code for CH1 and CH2, and the Error code.

  • Page 70: Programming Example

    6 PROGRAMMING MELSEC-Q 6.1.2 Programming example Set analog output to enable CH1 Output enable/disable Enables analog output for CH1 and CH2. CH2 Output enable/disable Digital value write program K500 CH1 Digital Module Write the digital values for CH1 value READY and CH2 in D11 and D12 that have been automatically refreshed.

  • Page 71: Programming Example Without Using The Utility Package

    Digital value write program K500 Module Digital READY value Write the digital values for CH1 K1000 and CH2 into Q62DA. Digital value Digital value Error code display and reset processing FROMP H0 Error code Error Output the error code to Y20 to flag Y2B by BCD code.
  • Page 72 Digital write program K500 CH1 Digital Module Write the digital values for CH1 value READY and CH2 into Q62DA. K1000 CH2 Digital value Error code display and reset processing Output the error code to Y20 to Y2B by BCD code.

  • Page 73: Troubleshooting

    Q68DAV or Q68DAI is used, and how to troubleshoot such errors. 7.1 Error Code List If an error occurs in Q62DA, Q64DA, Q68DAV or Q68DAI while writing to or reading data from the PLC CPU, the applicable error code is written to buffer memory address 19 (Un\G19).

  • Page 74: Troubleshooting

    7 TROUBLESHOOTING MELSEC-Q 7.2 Troubleshooting 7.2.1 When the "RUN" LED is flashing or turned off (1) When flashing Check item Corrective action Reset switch 4 of the intelligent function module setting for Is the mode set to the offset/gain setting mode? GX Developer to the normal mode (see Section 4.5).

  • Page 75: When An Analog Output Value Is Not Output

    Verify that 24VDC voltage is being supplied to the external power supply terminals Is 24VDC external power supply being supplied? (Q62DA, Q64DA: terminal numbers 16, 17 Q68DAV, Q68DAI: terminal numbers 17, 18). Is there any fault with the analog signal lines such as broken...

  • Page 76: Checking The D/A Conversion Module Status Using Gx Developer System Monitor

    7 TROUBLESHOOTING MELSEC-Q 7.2.4 Checking the D/A conversion module status using GX Developer system monitor When the D/A conversion module detail information is selected in GX Developer system monitor, function version, error code, LED ON status and status of the intelligent function module switch setting can be checked.
  • Page 77 7 TROUBLESHOOTING MELSEC-Q (3) H/W information (a) H/W LED information The LED status is displayed. LED name Status RUN LED 0000 : Indicates that LED is unlit. ERROR LED 0001 : Indicates that LED is lit (b) H/W SW information The status of the intelligent function module switch setting is displayed.

  • Page 78: Appendix

    APPENDIX MELSEC-Q APPENDIX Appendix 1 Function upgrade for the D/A conversion module The function version B D/A conversion module contains several functions not included in the earlier product (function version A). This section describes a comparison of functions of the D/A conversion module based on the function additions, combinations with GX Configurator-DA software version and precautions when replacing the module.

  • Page 79: Appendix 1.3 Precautions When Replacing The Function Version A Module With Function Version B

    APPENDIX MELSEC-Q Appendix 1.3 Precautions when replacing the function version A module with function version B (1) Incorporation into an existing system Wiring used for function version A can be incorporated as is in the function version B D/A conversion module. (2) Program utilization A program created for function version A can be used as is with the function version B D/A conversion module.

  • Page 80: Appendix 2. External Dimension Diagram

    APPENDIX MELSEC-Q Appendix 2. External Dimension Diagram (1) Q62DA Q62DA ERROR IN 24VDC (FG) 0-±10V 0-20mA 90 (3.55) 27.4 (1.08) (2) Q64DA Q64DA ERROR IN 24VDC (FG) 0-±10V 0-20mA 90 (3.55) 27.4 (1.08) App - 3 App - 3...
  • Page 81 APPENDIX MELSEC-Q (3) Q68DAV Q68DAV ERROR IN 24VDC 0-± 90 (3.55) 27.4 (1.08) 10.5 (0.41) (0.29) FG terminal L-shaped metal fitting FG terminal screw (M3 screw) (4) Q68DAI Q68DAI ERROR IN 24VDC 0-20mA 27.4 90 (3.55) (1.08) 10.5 (0.41) (0.29) FG terminal L-shaped metal fitting...

  • Page 82: Index

    INDEX Absolute maximum output ......3-1 Gain value ............3-2 Accuracy........... 3-1, 3-9 GX Configurator-DA.........2-2 Analog output ..........3-1 GX Configurator-DA software Version Analog output HOLD/CLEAR function... 3-11, 4-8 ..............2-3, App-1 Analog output test during PLC CPU STOP ... 3-12 GX Developer .......... A-8, 2-2 Buffer memory..........
  • Page 83 Offset value ............. 3-2 Weight ..............3-1 Offset/gain setting mode flag ......3-14 Write to PLC...........5-11 Offset/gain setting mode ....... 3-20 Offset/gain settings..... 4-11, 5-16, 5-18 Operating condition setting completed flag .. 3-14 X/Y monitor/test ..........5-15 Operating condition setting request....3-16 Operating environment........
  • Page 84 1. Gratis Warranty Term and Gratis Warranty Range If any faults or defects (hereinafter "Failure") found to be the responsibility of Mitsubishi occurs during use of the product within the gratis warranty term, the product shall be repaired at no cost via the dealer or Mitsubishi Service Company.
  • Page 85 Microsoft Windows, Microsoft Windows NT are registered trademarks of Microsoft Corporation in the United States and other countries. Pentium is a registered trademark of Intel Corporation in the United States and other countries. Other company and product names herein are either trademarks or registered trademarks of their respective owners.
  • Page 86 CODE SH(NA)-080054-D(0106)MEE HEAD OFFICE : MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100-8310 TELEX : J24532 CABLE MELCO TOKYO NAGOYA WORKS : 1-14 , YADA-MINAMI 5 , HIGASHI-KU, NAGOYA , JAPAN When exported from Japan, this manual does not require application to the Ministry of Economy, Trade and Industry for service transaction permission.

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