Contents

Cover
Introduction
Contents
I. Outline
- 1. System Configuration
  - 1.1 General Configuration
  - 1.2 Outline of Release System
  - 1.3 Outline of Functions
  - 1.4 Keyboard Specifications
  - 1.5 Screen Specifications
- 2. Software Configuration
  - 2.1 Outline Software Configuration Diagram
  - 2.2 Custom Release Related CNC System Software
  - 2.3 Custom Software
  - 2.4 Task Configuration
- 3. Development Procedure
  - 3.1 Development Flow
  - 3.2 Outline of Development Procedure
- 4. Memory Specifications
  - 4.1 Custom Memory Specifications
  - 4.2 Configuration of Custom ROM Area
- 5. List of Custom Release Library Functions
  - 5.1 Screen Display Function I/F
    - 5.1.1 Custom Screen Control Functions
    - 5.1.2 Display Request Functions
    - 5.1.3 Graphic Display Functions
    - 5.1.4 Screen Display Auxiliary Functions
  - 5.2 DDB I/F
    - 5.2.1 CNC Data Read/Write Functions
  - 5.3 Machine Control I/F
    - 5.3.1 PLC Device Access
    - 5.3.2 PLC Device High-speed Access
  - 5.4 File Release I/F
    - 5.4.1 File Data Input/Output Functions
  - 5.5 General Functions
    - 5.5.1 Data Conversion Functions
II. Programming
- 1. Before Starting Programming
  - 1.1 Preparation for Development
  - 1.2 Installation of Compiler
- 2. Designing the Specifications
  - 2.1 General Design Procedures
  - 2.2 Determining the Screen Specifications
  - 2.3 Determining the Data Specifications
  - 2.4 Designing the Specifications of Common Functions
  - 2.5 Mechanism for Displaying Screen
- 3. Creation of M_OPE Data
  - 3.1 Creation of Entry Table
  - 3.2 Creation of the Global Variables
  - 3.3 Selective Function Table mseltb [ ]
  - 3.4 Screen Decision Table menublk [ ]
  - 3.5 Common Variables
    - 3.5.1 OCB Table (pcoptb.ocb.xxxx)
    - 3.5.2 Setting Area Buffer (pcoptb.settei.xxxx)
    - 3.5.3 Setting Area Control Information (pcoptb.kcbtblr.xxxx)
- 4. Creation of M_OPE Functions
  - 4.1 Power-on-time Initialize Function mopeini ()
  - 4.2 F0 Key Screen Initialize Function mf0ini ()
  - 4.3 Key Input Pre-process Function mkeyin ()
  - 4.4 Selective Functions ms___()
  - 4.5 Screen Functions mf___()
  - 4.6 Key Input Post-process Function mkeycal ()
  - 4.7 Always Called Function malway ()
  - 4.8 Creation of the PLC Functions
  - 4.9 Flow of Each Function
  - 4.10 Selective Function Sample Program
- 5. Debugging
  - 5.1 Loading Modules into the APLC Cassette
  - 5.2 Releasing the CNC Screen
  - 5.3 When APLC is not Executed
  - 5.4 Measures during System Failure (System Down)
- 6. Precautions for Programming
  - 6.1 Storage Class and Storage Area
  - 6.2 Word Boundary
III. Sample Programs
- 1. Development Procedure
- 2. Determining of Screen Specifications and Screen Transition
  - 2.1 Determining the Screen Specifications
  - 2.2 Determining the Screen Transition
  - 2.3 Defining the Global Data
- 3. Creation of the Setting Area Data
- 4. Creation of M_OPE Selective Function Address Table and M_OPE Selective Functions
  - 4.1 Creation of M_OPE Selective Function Address Table
  - 4.2 Creation of M_OPE Selective Functions
- 5. Creation of Screen Decision Table and M_OPE Screen Functions
  - 5.1 Creation of Screen Decision Table
  - 5.2 Creation of M_OPE Screen Functions
- 6. Creation of M_OPE Power-on-time Initialize Function and M_OPE F0 Key Initialize Function
  - 6.1 Creation of M_OPE Power-on-time Initialize Function
  - 6.2 Creation of M_OPE F0 Key Initialize Function
- 7. Creation of M_OPE Key Input Pre-process Functions and M_OPE Key Input Post-process Functions
  - 7.1 Creation of M_OPE Key Input Pre-process Function
  - 7.2 Creation of M_OPE Key Input Post-process Function
- 8. Creation of M_OPE Always Called Functions
Appendix 1 Changes for MELDAS500 Series Custom Release (APLC) System
Appendix 2 Precautions for Using SRAM Cassette
- 2.1 Custom Memory Specifications
- 2.2 Configuration of Custom RAM Area
- 2.3 Changing between ROM and RAM Operation
- 2.4 Precautions
Revision history

Mitsubishi Electric CNC Meldas 60 Series APLC Programming Manual

Mitsubishi Electric CNC Meldas 60 Series APLC manual cover

Pages 120

Year 2003

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of 120

Mitsubishi Electric CNC Meldas 60 Series APLC Specification

The Mitsubishi Electric CNC Meldas 60 Series APLC is a sophisticated computer numerical control system designed for precision machining applications. It integrates advanced technology to enhance productivity, efficiency, and accuracy in industrial operations. This series is equipped with high-speed processors that enable quick data processing and real-time control, ensuring optimal performance in complex machining tasks. The Meldas 60 Series features a user-friendly interface with a large color LCD screen, providing clear visualization and easy navigation through various functions and settings. The system supports multi-axis control, allowing for intricate machining processes to be executed with precision. Enhanced connectivity options facilitate seamless integration with other machinery and systems, promoting streamlined operations. The series incorporates advanced diagnostic tools and self-diagnostic capabilities, which aid in maintenance and troubleshooting, minimizing downtime. The Meldas 60 Series is engineered with robust construction to withstand harsh industrial environments, ensuring reliability and longevity. It also offers comprehensive programming features, including support for G-code and custom macros, catering to diverse machining requirements. The series emphasizes safety and includes features such as emergency stop functions and protective enclosures. Additionally, energy-efficient components are utilized to reduce power consumption, aligning with sustainable manufacturing practices. Overall, the Mitsubishi Electric CNC Meldas 60 Series APLC is a versatile and reliable solution for modern manufacturing needs, delivering high performance and adaptability in demanding machining environments.

Mitsubishi Electric CNC Meldas 60 Series APLC F.A.Q.

How can I back up the parameters on the Mitsubishi Electric CNC Meldas 60 Series APLC?

To back up parameters, access the system's data management section, use the memory card or USB option to export the parameters, and follow the on-screen instructions to complete the backup process.

What steps should I take if the Meldas 60 Series APLC displays an alarm code?

Refer to the alarm code list in the user manual to identify the issue. Follow the suggested troubleshooting steps, which may include checking connections, resetting the system, or consulting technical support if necessary.

How do I perform regular maintenance on the Meldas 60 Series APLC to ensure optimal performance?

Regular maintenance includes cleaning filters, checking cable connections, inspecting for wear and tear, and ensuring all software updates are installed. Keep a log of maintenance activities for future reference.

What is the procedure to reset the Meldas 60 Series APLC to factory settings?

To reset to factory settings, access the settings menu, select the 'Factory Reset' option, and confirm the action. Ensure all important data is backed up before performing this reset.

How can I troubleshoot communication errors between the Meldas 60 Series APLC and other machines?

Check all cable connections and network settings. Ensure that the baud rate and protocol settings match on both devices. Update firmware and consult the user manual for specific troubleshooting steps.

What should I do if the spindle does not start on the Meldas 60 Series APLC?

Verify that the emergency stop is not activated, check spindle drive connections, ensure the spindle is not overloaded, and consult the machine's diagnostic interface for error codes.

How can I update the software on the Meldas 60 Series APLC?

Download the latest software update from the Mitsubishi Electric website, transfer it to a USB drive, and insert it into the control unit. Follow the on-screen instructions to complete the update process.

What are the common motor issues with the Meldas 60 Series APLC, and how can they be fixed?

Common motor issues include overheating, unusual noises, and vibration. Ensure proper ventilation, check alignment and lubrication, and inspect for mechanical obstructions. Consult the manual for specific motor diagnostics.

How do I calibrate the tool offsets on the Meldas 60 Series APLC?

Access the tool calibration menu, select the tool to be calibrated, and use a calibration block or gauge. Follow the prompts to adjust offsets and save the new settings.

What preventive measures can be taken to avoid overheating in the Meldas 60 Series APLC?

Ensure adequate ventilation around the unit, regularly clean air filters, check cooling fans for proper operation, and avoid running the machine at maximum capacity for extended periods.