Contents

SAFETY INSTRUCTIONS
REVISIONS
INTRODUCTION
CONTENTS
Using This Manual
Compliance with the EMC and Low Voltage Directives
Generic Terms and Abbreviations
Component List
SECTION 1 PRODUCT SPECIFICATIONS AND HANDLING
- CHAPTER 1 PRODUCT OUTLINE
  - 1.1 Positioning control
    - 1.1.1 Features of QD70
    - 1.1.2 Mechanism of positioning control
    - 1.1.3 Outline design of positioning control system
    - 1.1.4 Communicating signals between QD70 and each module
  - 1.2 Positioning control
    - 1.2.1 Outline of starting
    - 1.2.2 Outline of stopping
- CHAPTER 2 SYSTEM CONFIGURATION
  - 2.1 General image of system
  - 2.2 Component list
  - 2.3 Applicable systems
  - 2.4 About Use of the QD70 with the Q12PRH/Q25PRHCPU
  - 2.5 About Use of the QD70 on the MELSECNET/H Remote I/O Station
  - 2.6 How to Check the Function Version/Serial No./Software Version
- CHAPTER 3 SPECIFICATIONS AND FUNCTIONS
  - 3.1 Performance specifications
  - 3.2 List of functions
  - 3.3 Specifications of input/output signal with Programmable Controller CPU
    - 3.3.1 List of input/output signals with programmable controller CPU
    - 3.3.2 Details of input signal (QD70 -> Programmable controller CPU)
    - 3.3.3 Details of output signals (Programmable controller CPU -> QD70)
  - 3.4 Specifications of input/output interfaces with external device
    - 3.4.1 Electrical specifications of input/output signals
    - 3.4.2 Signal layout for external device connection connector
    - 3.4.3 List of input/output signal details
    - 3.4.4 Input/output interface internal circuit
- CHAPTER 4 DATA USED FOR POSITIONING CONTROL
  - 4.1 Type of data
    - 4.1.1 Parameters and data required for control
    - 4.1.2 Setting items for parameters
    - 4.1.3 Setting items for OPR data
    - 4.1.4 Setting items for JOG data
    - 4.1.5 Setting items for positioning data
    - 4.1.6 Type and roles of monitor data
    - 4.1.7 Type and roles of control data
  - 4.2 List of parameters
  - 4.3 List of OPR data
  - 4.4 List of JOG data
  - 4.5 List of positioning data
  - 4.6 List of monitor data
    - 4.6.1 Axis monitor data
    - 4.6.2 Module information monitor data
  - 4.7 List of control data
    - 4.7.1 Axis control data
- CHAPTER 5 SETUP AND PROCEDURES BEFORE OPERATION
  - 5.1 Handling precautions
  - 5.2 Procedures before operation
  - 5.3 Part identification nomenclature
  - 5.4 Wiring
    - 5.4.1 Wiring precautions
  - 5.5 Confirming the wiring
    - 5.5.1 Confirmation items at completion of wiring
  - 5.6 Switch setting for intelligent function module
  - 5.7 Simple reciprocating operation
- CHAPTER 6 UTILITY PACKAGE (GX Configurator-PT)
  - 6.1 Utility package functions
  - 6.2 Installing and Uninstalling the Utility Package
    - 6.2.1 Handling precautions
    - 6.2.2 Operating environment
  - 6.3 Utility Package Operation
    - 6.3.1 Common utility package operations
    - 6.3.2 Operation overview
    - 6.3.3 Starting the Intelligent function module utility
  - 6.4 Initial setting
  - 6.5 Auto refresh setting
  - 6.6 Monitoring/Test
    - 6.6.1 Monitoring/Test screen
- CHAPTER 7 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
  - 7.1 Precautions for creating program
  - 7.2 List of devices used
  - 7.3 Creating a program
    - 7.3.1 General configuration of program
    - 7.3.2 Positioning control operation program
  - 7.4 Positioning control program examples
  - 7.5 Program details
    - 7.5.1 Initialization program
    - 7.5.2 Start method setting program
    - 7.5.3 Start program
    - 7.5.4 Sub program
SECTION 2 CONTROL DETAILS AND SETTING
- CHAPTER 8 OPR CONTROL
  - 8.1 Outline of OPR control
    - 8.1.1 Two types of OPR control
  - 8.2 Machine OPR control
    - 8.2.1 Outline of the machine OPR operation
    - 8.2.2 Machine OPR method
    - 8.2.3 OPR method (1): Near-point dog method
    - 8.2.4 OPR method (2): Stopper 1
    - 8.2.5 OPR method (3): Stopper 2
    - 8.2.6 OPR method (4): Stopper 3
    - 8.2.7 OPR method (5): Count 1
    - 8.2.8 OPR method (6): Count 2
  - 8.3 Fast OPR control
    - 8.3.1 Outline of the fast OPR control operation
- CHAPTER 9 POSITIONING CONTROL
  - 9.1 Outline of positioning controls
    - 9.1.1 Data required for positioning control
    - 9.1.2 Operation patterns of positioning controls
    - 9.1.3 Designating the positioning address
    - 9.1.4 Confirming the current value
  - 9.2 Setting the positioning data
    - 9.2.1 Relation between each control and positioning data
    - 9.2.2 1-axis linear control
    - 9.2.3 Speed-position switching control
    - 9.2.4 Current value changing
  - 9.3 Multiple axes simultaneous start control
- CHAPTER 10 JOG OPERATION
  - 10.1 Outline of JOG operation
  - 10.2 JOG operation execution procedure
  - 10.3 JOG operation example
- CHAPTER 11 SUB FUNCTIONS
  - 11.1 Outline of sub functions
  - 11.2 Speed limit function
  - 11.3 Speed change function
  - 11.4 Software stroke limit function
  - 11.5 Acceleration/deceleration processing function
  - 11.6 Restart function
- CHAPTER 12 COMMON FUNCTIONS
  - 12.1 Outline of common functions
  - 12.2 External I/O signal switching function
  - 12.3 External I/O signal monitor function
- CHAPTER 13 TROUBLESHOOTING
  - 13.1 Error and warning details
  - 13.2 List of errors
  - 13.3 List of warnings
  - 13.4 Error check by LED indication
  - 13.5 Confirming the error definitions using system monitor of GX Developer
APPENDIX
- Appendix 1 External dimension drawing
- Appendix 2 Operation timing and processing time in each control
- Appendix 3 Connection examples with servo amplifiers manufactured by MITSUBISHI Electric Corporation
  - Appendix 3.1 Connection example of QD70P[ ] and MR-H[ ]A
  - Appendix 3.2 Connection example of QD70P[ ] and MR-J2/J2S-[ ]A
  - Appendix 3.3 Connection example of QD70P[ ] and MR-C[ ]A
- Appendix 4 Connection examples with stepping motors manufactured by ORIENTALMOTOR Co., Ltd.
  - Appendix 4.1 Connection example of QD70P[ ] and VEXTA UPD
- Appendix 5 Connection examples with servo amplifiers manufactured by Matsushita Electric Industrial Co., Ltd.
  - Appendix 5.1 Connection example of QD70P[ ] and MINAS-A series
- Appendix 6 Connection examples with servo amplifiers manufactured by SANYO DENKI Co., Ltd.
  - Appendix 6.1 Connection example of QD70P[ ] and PZ series
- Appendix 7 Connection examples with servo amplifiers manufactured by YASKAWA Electric Corporation
  - Appendix 7.1 Connection example of QD70P[ ] and -II series
- Appendix 8 Comparisons with type QD75 positioning module
- Appendix 9 List of buffer memory addresses
INDEX
WARRANTY

Mitsubishi Electric MELSEC Q Type QD70 User's Manual

Mitsubishi Electric MELSEC Q Type QD70 manual cover

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Mitsubishi Electric MELSEC Q Type QD70 Specification

The Mitsubishi Electric MELSEC Q Type QD70 is a versatile and advanced positioning module designed for the MELSEC-Q Series PLCs, offering precision control for a variety of industrial automation applications. This module is engineered to handle complex motion control tasks with high accuracy, making it ideal for manufacturing environments requiring precise position and speed control. The QD70 supports multiple control axes, enabling synchronized operations across different machinery components. It is equipped with interfaces for both incremental and absolute encoders, providing flexibility in feedback options to suit diverse application needs.

The module features a high-speed pulse output capability, allowing it to deliver rapid response times essential for high-performance motion control. Its advanced control algorithms support a range of motion profiles, including point-to-point positioning, speed control, and linear interpolation, ensuring smooth and efficient operation. The QD70 integrates seamlessly with the MELSEC-Q PLC system, leveraging the high-speed bus to minimize communication delays and enhance overall system performance.

In terms of connectivity, the QD70 offers multiple I/O options, facilitating easy integration with other automation components. Comprehensive diagnostic and monitoring functions are embedded within the module, enabling real-time status updates and troubleshooting. This ensures minimal downtime and maximizes operational efficiency. The module is programmed using Mitsubishi's intuitive GX Works software, which provides a user-friendly interface for parameter setting and programming, allowing for rapid deployment and easy adjustments.

Designed with robustness in mind, the QD70 can operate in harsh industrial environments, maintaining reliability and precision under varying conditions. Overall, the Mitsubishi Electric MELSEC Q Type QD70 positioning module exemplifies a blend of performance, flexibility, and ease of use, making it a critical component for enhancing the capabilities of industrial automation systems.

Mitsubishi Electric MELSEC Q Type QD70 F.A.Q.

How do I configure the MELSEC Q Type QD70 module for basic operation?

To configure the QD70 module, begin by connecting it to the Q series base unit. Use GX Developer or GX Works2 software to define the module parameters, including setting the communication protocol and I/O address assignments. Ensure to download the configuration to the PLC and perform a test run to verify the setup.

What are the steps to troubleshoot a communication error with the QD70 module?

Check the physical connections and ensure the cables are securely connected. Verify the configuration settings in the software, ensuring they match the network requirements. Inspect the error codes displayed on the PLC for specific diagnostics and consult the manual for guidance on resolving the codes.

How can I update the firmware of the MELSEC QD70 module?

Obtain the latest firmware version from the Mitsubishi Electric support website. Connect the QD70 module to a PC with the appropriate software. Follow the provided instructions to upload the firmware, ensuring not to interrupt the process to avoid data corruption.

What preventive maintenance should be performed on the QD70 module?

Regularly check for dust accumulation and clean the module using compressed air. Inspect the module connections for signs of wear or corrosion. Periodically verify the firmware version and update if necessary to ensure optimal performance and security compliance.

How do I integrate the QD70 module with other devices in an automation system?

Ensure the QD70 module is compatible with the devices you wish to integrate. Use the appropriate communication protocol settings, such as Profibus or Modbus, in the configuration software. Test the communication with each device to confirm successful integration.

What should I do if the QD70 module does not power on?

Check the power supply to the base unit and ensure it meets the required specifications. Verify that the module is properly seated in the base unit. Inspect for blown fuses or tripped breakers and replace or reset as needed.

Can I use the QD70 module in a high-temperature environment?

The QD70 module is designed to operate within a specific temperature range, typically between 0°C to 55°C. For high-temperature environments, consider using additional cooling measures or relocating the module to a temperature-controlled area.

How do I back up the configuration of the QD70 module?

Use the GX Developer or GX Works2 software to access the module's configuration. Navigate to the backup function and save the configuration to a secure location, such as a network drive or external storage device, to prevent data loss in case of a system failure.

What are common reasons for input/output errors on the QD70 module?

Common causes include incorrect wiring, misconfigured I/O settings, or faulty components. Inspect the wiring for damage, verify the software configuration, and replace any malfunctioning parts to resolve the issue.

How can I optimize the performance of my QD70 module in an existing system?

Regularly update the firmware to benefit from performance improvements. Optimize the I/O configuration to minimize latency and ensure that the module is operating within its specified electrical and environmental conditions.