Contents

SAFETY PRECAUTIONS
CONDITIONS OF USE FOR THE PRODUCT
INTRODUCTION
COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES
CONTENTS
MANUAL PAGE ORGANIZATION
TERM
PACKING LIST
CHAPTER 1 FEATURES
- 1.1 CC-Link
- 1.2 Master/Local Modules
CHAPTER 2 PART NAMES
CHAPTER 3 SPECIFICATIONS
- 3.1 General Specifications
- 3.2 Performance Specifications
  - 3.2.1 Maximum number of connected modules
  - 3.2.2 Maximum overall cable distance (CC-Link Ver.1.10)
  - 3.2.3 Maximum overall cable distance (CC-Link Ver.1.00)
  - 3.2.4 CC-Link dedicated cables
- 3.3 List of Functions
- 3.4 List of I/O Signals
- 3.5 List of Buffer Memory Areas
- 3.6 Assignment and Modes
  - 3.6.1 Assignment
  - 3.6.2 Modes
  - 3.6.3 Remote net Ver.1 mode
  - 3.6.4 Remote net Ver.2 mode
  - 3.6.5 Remote net additional mode
  - 3.6.6 Remote I/O net mode
CHAPTER 4 PROCEDURE BEFORE THE OPERATION
- 4.1 Operation Example
CHAPTER 5 SYSTEM CONFIGURATION
- 5.1 CC-Link System Configuration
- 5.2 Configuration of the System Where a Master/Local Module is Mounted
  - 5.2.1 Connectable modules and the number of connectable modules
  - 5.2.2 Applicable programming tools
- 5.3 Precautions for the System Configuration
CHAPTER 6 INSTALLATION AND WIRING
- 6.1 Installing the Module
- 6.2 Wiring
  - 6.2.1 Preparation before wiring
  - 6.2.2 Wiring procedure
  - 6.2.3 T-branch connection
- 6.3 Station Number Setting
- 6.4 Transmission Speed Setting
- 6.5 Test After Wiring
  - 6.5.1 Line test
  - 6.5.2 Transmission speed test
CHAPTER 7 PARAMETER SETTINGS
- 7.1 Parameter Setting Method
- 7.2 Parameter Setting List
- 7.3 Parameter Settings for a Master Station
  - 7.3.1 Setting method
  - 7.3.2 Setting details
- 7.4 Parameter Settings for a Local Station and Standby Master Station
  - 7.4.1 Setting method
  - 7.4.2 Setting details
- 7.5 Status Difference Between a Master Station and a Slave Station at an Error
CHAPTER 8 FUNCTIONS
- 8.1 Basic Applications of the Functions
  - 8.1.1 Periodic communications (cyclic transmission)
  - 8.1.2 Non-periodic communications (transient transmission)
- 8.2 Improving the System Reliability
  - 8.2.1 Slave station cut-off and automatic return
  - 8.2.2 Setting of the data link status upon an error in the programmable controller CPU of the master station
  - 8.2.3 Setting of the status of the input data from a data link faulty station
  - 8.2.4 Refreshing/compulsorily clearing a slave station when the switch on a programmable controller CPU is set to STOP
  - 8.2.5 Standby master function
  - 8.2.6 Cyclic data assurance
- 8.3 Useful Applications of the Functions
  - 8.3.1 Remote device station initialization procedure registration function
  - 8.3.2 Event issuance for the interrupt program
  - 8.3.3 Automatic CC-Link startup
  - 8.3.4 Reserved station function
  - 8.3.5 Scan synchronization specification
  - 8.3.6 Error invalid station setting function
  - 8.3.7 Temporary error invalid station setting function
  - 8.3.8 Data link stop/restart
  - 8.3.9 Remote I/O station points setting (remote net Ver.2 mode only)
  - 8.3.10 Master station duplication error canceling function
CHAPTER 9 DEDICATED INSTRUCTIONS
- 9.1 List of Dedicated Instructions, Applicable Devices, and Precautions
- 9.2 G(P).RIRD
  - 9.2.1 Program example
- 9.3 G(P).RIWT
  - 9.3.1 Program example
- 9.4 G(P).RIRCV
  - 9.4.1 Program example
- 9.5 G(P).RISEND
  - 9.5.1 Program example
- 9.6 G(P).RIFR
  - 9.6.1 Program example
- 9.7 G(P).RITO
  - 9.7.1 Program example
- 9.8 G(P).RLPASET
  - 9.8.1 Program example (parameter setting example)
- 9.9 G(P).RDMSG
  - 9.9.1 Program example
CHAPTER 10 PROGRAMMING
- 10.1 Precautions for Programming
- 10.2 Example of Communications Between a Master Station and a Remote Device Station
  - 10.2.1 System configuration
  - 10.2.2 Settings for a master station
  - 10.2.3 Settings for a remote device station
  - 10.2.4 Checking the status of data link
  - 10.2.5 Program example
  - 10.2.6 Program example (when the initial setting is configured only on a program)
- 10.3 Example of Communications Between a Master Station and a Local Station
  - 10.3.1 System configuration
  - 10.3.2 Settings for a master station
  - 10.3.3 Settings for a local station
  - 10.3.4 Checking the status of data link
  - 10.3.5 Program example
  - 10.3.6 Program example (to assure the integrity of cyclic data in each slave station)
CHAPTER 11 TROUBLESHOOTING
- 11.1 Troubleshooting Flowcharts
  - 11.1.1 Troubleshooting using LEDs
  - 11.1.2 Troubleshooting using a programming tool
- 11.2 Lists of Problems
  - 11.2.1 Problems due to disconnection of a slave station
  - 11.2.2 Problems due to cyclic data error
  - 11.2.3 Problems due to transient data error
  - 11.2.4 Problems due to operation error in the master station
- 11.3 Error Codes
  - 11.3.1 How to check error codes
  - 11.3.2 Error code list
- 11.4 CC-Link Diagnostics Using GX Works2
  - 11.4.1 Monitoring the host station/other stations
  - 11.4.2 Executing the line test/obtaining the transmission speed setting
  - 11.4.3 Status logging
  - 11.4.4 Creating a check sheet
  - 11.4.5 Stopping and restarting data link
  - 11.4.6 Setting and canceling a temporary error invalid station
  - 11.4.7 Hardware information
- 11.5 Hardware Test
APPENDICES
- Appendix 1 Description of I/O Signals
- Appendix 2 Buffer Memory Areas
- Appendix 3 Link Special Relays (SBs) and Link Special Registers (SWs)
  - Appendix 3.1 Link special relays (SBs)
  - Appendix 3.2 Link special registers (SWs)
- Appendix 4 Data Link Processing Time
  - Appendix 4.1 Link scan time
  - Appendix 4.2 Transmission delay time
  - Appendix 4.3 Processing time of dedicated instructions
  - Appendix 4.4 Link refresh time
- Appendix 5 Difference from traditional modules
  - Appendix 5.1 Precautions when replacing an A(1S)J61BT11/A(1S)J61QBT11 with a QJ61BT11N
  - Appendix 5.2 Precautions when replacing a QJ61BT11 with a QJ61BT11N
- Appendix 6 Upgrading the Functions of a Master/Local Module
- Appendix 7 When using GX Developer
  - Appendix 7.1 Parameter settings
  - Appendix 7.2 Device test
  - Appendix 7.3 CC-Link diagnostics
- Appendix 8 Setting Sheet
  - Appendix 8.1 Assignment sheet
  - Appendix 8.2 Network parameter setting sheet
  - Appendix 8.3 Station information setting sheet
- Appendix 9 Checking the Function Version and Serial Number
- Appendix 10 CC-Link Versions
- Appendix 11 External Dimension Diagram
INDEX
REVISIONS
WARRANTY

Mitsubishi Electric QJ61BT11N User's Manual

Mitsubishi Electric QJ61BT11N manual cover

Pages 430

Year 2003

Language(s)

of 430

Mitsubishi Electric QJ61BT11N Specification

The Mitsubishi Electric QJ61BT11N is a high-performance CC-Link master/local module designed for seamless integration within industrial automation systems. It is engineered to optimize communication between various control devices, enhancing productivity and system reliability. The module operates within the Q Series PLCs framework, providing robust connectivity and easy scalability for diverse applications. It supports the CC-Link Ver.1.10 protocol, ensuring compatibility with a wide range of devices and facilitating efficient data exchange across the network.

The QJ61BT11N offers a communication speed of up to 10 Mbps, allowing for fast and reliable data transfer. It can connect up to 64 stations in a single network, providing extensive connectivity options for complex systems. Each station can handle multiple I/O points, enabling comprehensive control and monitoring capabilities. The module supports cyclic transmission, which ensures timely and consistent data updates, critical for maintaining system performance and operational integrity.

Installation and setup are streamlined through user-friendly configuration tools, allowing for quick deployment and minimal downtime. The module features diagnostic functions that assist in troubleshooting and maintaining optimal network health, reducing maintenance costs and improving system uptime. It is designed with a robust construction to withstand demanding industrial environments, ensuring long-term durability and reliability.

Incorporating the Mitsubishi Electric QJ61BT11N into an automation system enhances communication efficiency and system integration, supporting advanced industrial applications with precision and reliability. Its compatibility with the Q Series PLCs and adherence to the CC-Link protocol make it a versatile solution for modern manufacturing and processing environments.

Mitsubishi Electric QJ61BT11N F.A.Q.

How do I install the Mitsubishi Electric QJ61BT11N module into a PLC rack?

To install the QJ61BT11N module into a PLC rack, first ensure the power is turned off. Align the module with the slot in the rack and gently slide it into place until it clicks. Secure it with screws if available.

What are the initial steps for setting up the QJ61BT11N module?

After installing the module, connect the communication cables and power on the PLC. Use the GX Works2 software to configure the network settings and ensure the module is recognized by the system.

How can I diagnose communication issues with the QJ61BT11N module?

Check the status LEDs on the module for error indicators. Verify all network connections and configurations in the GX Works2 software. Use diagnostic tools to check for network activity and errors.

What are the recommended maintenance practices for the QJ61BT11N module?

Regularly inspect the module for dust and debris. Ensure all connections are secure and check for any signs of wear or damage. Update the firmware as recommended by Mitsubishi Electric.

How do I update the firmware on the QJ61BT11N module?

Download the latest firmware from the Mitsubishi Electric website. Use the GX Works2 software to connect to the module, and follow the instructions to upload and install the new firmware version.

What should I do if the QJ61BT11N module is not recognized by the system?

Ensure the module is properly seated in the rack and all connections are secure. Check the configuration settings in GX Works2 and verify that the module is listed in the network setup. Restart the system if necessary.

Can the QJ61BT11N module be used in a redundant network configuration?

Yes, the QJ61BT11N module supports redundant network configurations. Ensure that all network settings are correctly configured to support redundancy, and test the system to verify failover capabilities.

How do I reset the QJ61BT11N module to factory settings?

To reset the module, access the GX Works2 software and navigate to the module settings. Follow the instructions for resetting the module to its factory defaults. Ensure you backup any necessary data before proceeding.

What is the maximum communication distance for the QJ61BT11N module?

The maximum communication distance for the QJ61BT11N module depends on the network topology and cable type. Refer to the module's specifications and the relevant network standards for precise distance limits.

How can I improve the reliability of the QJ61BT11N network communication?

Ensure proper grounding and shielding of cables, use quality connectors, and avoid running cables near high interference sources. Regularly inspect and maintain network components to prevent degradation of communication reliability.