Contents

SAFETY PRECAUTIONS
CONDITIONS OF USE FOR THE PRODUCT
INTRODUCTION
COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES
RELEVANT MANUALS
CONTENTS
MANUAL PAGE ORGANIZATION
TERM
PACKING LIST
CHAPTER 1 CC-LINK IE FIELD NETWORK
- 1.1 CC-Link IE Field Network
- 1.2 Master/Local Modules
CHAPTER 2 PART NAMES
CHAPTER 3 SPECIFICATIONS
- 3.1 General Specifications
- 3.2 Performance Specifications
- 3.3 Function List
- 3.4 List of I/O Signals
- 3.5 List of Buffer Memory Addresses
CHAPTER 4 PROCEDURES BEFORE OPERATION
CHAPTER 5 SYSTEM CONFIGURATION
- 5.1 Overall System Configuration
- 5.2 CC-Link IE Field Network Configuration
  - 5.2.1 Single network system
  - 5.2.2 Multi-network system
  - 5.2.3 Precautions
- 5.3 Network Components
  - 5.3.1 Cables
  - 5.3.2 Hubs
- 5.4 Applicable Systems
CHAPTER 6 INSTALLATION AND WIRING
- 6.1 Installation
- 6.2 Tests Before Wiring
  - 6.2.1 Hardware test
  - 6.2.2 Self-loopback test
- 6.3 Wiring
- 6.4 Tests After Wiring
  - 6.4.1 Loop test
  - 6.4.2 Cable test
  - 6.4.3 Communication test
CHAPTER 7 PARAMETER SETTING
- 7.1 Parameter List
- 7.2 Network Settings
- 7.3 Network Configuration Settings
- 7.4 Network Operation Settings
- 7.5 Refresh Parameters
- 7.6 Interrupt Settings
- 7.7 Routing Parameters
CHAPTER 8 FUNCTIONS
- 8.1 Cyclic Transmission
  - 8.1.1 Data flow and link device assignment
  - 8.1.2 Link refresh
  - 8.1.3 Direct access to link devices
  - 8.1.4 Assurance of cyclic data integrity
  - 8.1.5 Scan synchronization specification
  - 8.1.6 Input and output status settings in case of failure
  - 8.1.7 Output status setting for CPU module STOP
  - 8.1.8 Cyclic transmission stop and restart
- 8.2 Transient Transmission
  - 8.2.1 Communications within the same network
  - 8.2.2 Communications with different networks
- 8.3 IP Packet Transfer Function
  - 8.3.1 System configuration of the IP packet transfer function
  - 8.3.2 How to set the IP packet transfer function
  - 8.3.3 IP communication test
  - 8.3.4 Accessible range
  - 8.3.5 Relay using CC-Link IE Controller Network
  - 8.3.6 Precautions
  - 8.3.7 Example of communications using the IP packet transfer function
  - 8.3.8 Communication speed
- 8.4 Reserved Station Specification and Temporary Cancel of Reserved Station Setting
- 8.5 Error Invalid Station and Temporary Error Invalid Station Setting Function
- 8.6 Interrupt Request to the CPU Module
- 8.7 Loopback Function
- 8.8 Submaster Function
  - 8.8.1 Cyclic transmission of when the submaster function is used
  - 8.8.2 Transient transmission of when the submaster function is used
  - 8.8.3 Example of communications using the submaster function
  - 8.8.4 Programming for when the submaster function is used
  - 8.8.5 Switch from the master station to the submaster station
  - 8.8.6 Changes in the parameters when the submaster station is used
  - 8.8.7 Precautions
CHAPTER 9 CC-LINK IE FIELD DIAGNOSTICS
- 9.1 Diagnostic Items
- 9.2 Starting Diagnostics
- 9.3 Diagnostic Window
- 9.4 Link Start/Stop
- 9.5 Network Event History
- 9.6 Disabling/Enabling Reserved Station Setting
- 9.7 Setting/Canceling Temporary Error Invalid Station
- 9.8 Remote Operation
CHAPTER 10 DEDICATED INSTRUCTIONS
- 10.1 List of Dedicated Instructions
- 10.2 Precautions for Dedicated Instructions
  - 10.2.1 Precautions for dedicated instructions (common)
  - 10.2.2 Precautions for link dedicated instructions
  - 10.2.3 Precautions for CC-Link dedicated instructions
- 10.3 How to Read Detailed Page on Dedicated Instructions
- 10.4 JP/GP.READ (Reading Data from the Programmable Controller on Another Station)
- 10.5 JP/GP.SREAD (Reading Data from the Programmable Controller on Another Station)
- 10.6 JP/GP.WRITE (Writing Data to the Programmable Controller on Another Station)
- 10.7 JP/GP.SWRITE (Writing Data to the Programmable Controller on Another Station)
- 10.8 JP/GP.SEND (Sending Data to the Programmable Controller on Another Station)
- 10.9 JP/GP.RECV (Receiving Data from the Programmable Controller on Another Station)
- 10.10 Z.RECVS (Receiving Data from the Programmable Controller on Another Station)
- 10.11 JP/GP.REQ (Remote RUN/STOP)
- 10.12 JP/GP.REQ (Reading/Writing Clock Data)
- 10.13 ZP.REMFR (Reading Data from the Intelligent Device Station/Remote Device Station)
- 10.14 ZP.REMTO (Writing Data to the Intelligent Device Station/Remote Device Station)
- 10.15 JP/GP.RIRD (Reading Data from the Target Station)
- 10.16 JP/GP.RIWT (Writing Data to the Target Station)
- 10.17 GP.CCPASET (Setting Parameters)
  - 10.17.1 Procedure for setting parameters using the CCPASET instruction
  - 10.17.2 Instruction details
- 10.18 Z/ZP.UINI (Own Station (Local Station) Number Setting)
  - 10.18.1 Procedure for setting a station number using the UINI instruction
  - 10.18.2 Instruction details
CHAPTER 11 PROGRAMMING
- 11.1 Precautions for Programming
- 11.2 Example of Communications Between the Master Station and a Head Module
  - 11.2.1 System configuration example
  - 11.2.2 Setting in the master station
  - 11.2.3 Setting in the head module
  - 11.2.4 Checking the network status
  - 11.2.5 Program example
- 11.3 Example of Communications Between the Master Station and Local Stations
  - 11.3.1 System configuration example
  - 11.3.2 Setting in the master station
  - 11.3.3 Setting in local stations
  - 11.3.4 Checking the network status
  - 11.3.5 Program example
- 11.4 Using Link Special Relay (SB) and Link Special Register (SW)
CHAPTER 12 TROUBLESHOOTING
- 12.1 Before Troubleshooting
- 12.2 Troubleshooting Procedure
- 12.3 Checking the LEDs
- 12.4 Monitoring on Display Unit
- 12.5 Troubleshooting by Symptom
  - 12.5.1 Cyclic transmission cannot be performed
  - 12.5.2 Transient transmission cannot be performed
  - 12.5.3 Station is disconnected from the network
  - 12.5.4 Station is repeatedly disconnected and reconnected
  - 12.5.5 Communication is unstable
  - 12.5.6 IP communications cannot be performed using the IP packet transfer function
- 12.6 Error Code List
- 12.7 Checking the Master/Local Module Status by System Monitor
APPENDICES
- Appendix 1 Details of I/O Signals
  - Appendix 1.1 Module failure (X0)
  - Appendix 1.2 Own station data link status (X1)
  - Appendix 1.3 Other stations data link status (X3)
  - Appendix 1.4 Module ready (XF)
- Appendix 2 Details of Buffer Memory Addresses
  - Appendix 2.1 Link device area (Un\G0 to Un\G18975)
  - Appendix 2.2 RX offset/size information (Un\G19456 to Un\G19697)
  - Appendix 2.3 RY offset/size information (Un\G19712 to Un\G19953)
  - Appendix 2.4 RWw offset/size information (Un\G19968 to Un\G20209)
  - Appendix 2.5 RWr offset/size information (Un\G20224 to Un\G20465)
  - Appendix 2.6 Own station information (Un\G20512 to Un\G20536)
  - Appendix 2.7 Other station information (Un\G20544 to Un\G24415)
  - Appendix 2.8 Receive Error Detection Function (Un\G29968 to Un\G30472)
- Appendix 3 Link Special Relay (SB) List
- Appendix 4 Link Special Register (SW) List
- Appendix 5 Processing Time
  - Appendix 5.1 Link refresh time
  - Appendix 5.2 Link scan time
  - Appendix 5.3 Cyclic transmission delay time
  - Appendix 5.4 Master station switching time
  - Appendix 5.5 Transmission delay time of dedicated instructions
- Appendix 6 Differences in Cyclic Transmission Modes
- Appendix 7 New and Improved Functions
- Appendix 8 Comparison of CC-Link and CC-Link IE Field Network
- Appendix 9 Precautions for When Connecting the MELSEC iQ-R Series Module
- Appendix 10 Checking the Serial No., Function Version, and MAC Address
- Appendix 11 External Dimension Diagram
INDEX
REVISIONS
WARRANTY
TRADEMARKS

Mitsubishi Electric LJ71GF11 T2 User's Manual

Mitsubishi Electric LJ71GF11 T2 manual cover

Pages 532

Year 2011

Language(s)

of 532

Mitsubishi Electric LJ71GF11 T2 Specification

The Mitsubishi Electric LJ71GF11-T2 is a sophisticated communication module designed for seamless integration within Mitsubishi's automation systems. It serves as an interface unit that facilitates high-speed data exchange between programmable logic controllers (PLCs) and other network devices in an industrial setting. This module supports CC-Link IE Field Network, a high-performance industrial network that enables efficient control and data management across multiple devices. The LJ71GF11-T2 is characterized by its robust performance and reliability, ensuring minimal downtime and maximum productivity.

The module operates with a power supply of 24V DC, ensuring low power consumption while maintaining optimal performance. It is equipped to handle a variety of communication protocols, which enhances its versatility in diverse industrial applications. With a compact design, the LJ71GF11-T2 provides easy installation and integration into existing systems, ensuring a streamlined setup process. It features an Ethernet interface that supports gigabit communication, allowing for rapid data transmission which is crucial in time-sensitive industrial processes.

This module is designed to withstand harsh industrial environments, offering high durability and a long service life. It supports advanced diagnostic functions, enabling efficient troubleshooting and maintenance, which helps in reducing operational costs. The LJ71GF11-T2 is compatible with Mitsubishi’s iQ-R series, providing enhanced functionality and scalability for complex automation tasks. With its cutting-edge technology and robust design, the Mitsubishi Electric LJ71GF11-T2 is an ideal choice for industries seeking reliable and efficient network communication solutions in their automation systems.

Mitsubishi Electric LJ71GF11 T2 F.A.Q.

How do I configure the IP address for the Mitsubishi Electric LJ71GF11-T2 module?

To configure the IP address, use the GX Works2 software to access the module parameters. Navigate to the Ethernet port settings and input the desired IP address, subnet mask, and gateway. Ensure that these settings are consistent with your network configuration.

What are the LED indicators on the LJ71GF11-T2 module and what do they signify?

The LED indicators on the LJ71GF11-T2 module include POWER, LNK, SD, and RD. POWER indicates module power status, LNK shows network connection status, SD indicates data send status, and RD represents data receive status.

How can I troubleshoot connectivity issues with the LJ71GF11-T2 module?

First, verify the network cable connections and check the LED indicators for LNK status. Use a network scanner to ensure the IP address is not conflicting. Check the module's network settings and compare them with your network configuration. Update the firmware if necessary.

Can the LJ71GF11-T2 module be used with other Mitsubishi PLC models?

Yes, the LJ71GF11-T2 module is compatible with various Mitsubishi PLC models that support Ethernet communication. Consult the specific PLC model's manual for compatibility and setup instructions.

What is the maximum data transmission speed of the LJ71GF11-T2 module?

The LJ71GF11-T2 module supports up to 1 Gbps data transmission speed, depending on the network configuration and connected devices.

How often should I perform maintenance on the LJ71GF11-T2 module?

Regular maintenance should be conducted every 6 to 12 months. This includes inspecting the module for dust and debris, checking all connections, and verifying firmware updates.

What should I do if the LJ71GF11-T2 module fails to power on?

Check the power supply to ensure it is functioning correctly. Verify the wiring and connections to the module. If the issue persists, replace the module's power supply or consult Mitsubishi Electric support.

How can I update the firmware on the LJ71GF11-T2 module?

To update the firmware, download the latest version from the Mitsubishi Electric website. Use the GX Works2 software to connect to the module and follow the on-screen instructions to complete the update process.

What protocols does the LJ71GF11-T2 module support?

The LJ71GF11-T2 module supports various protocols, including TCP/IP, UDP/IP, and MELSOFT connection. Check the manual for a comprehensive list of supported protocols.

Is it possible to use the LJ71GF11-T2 module for remote diagnostics?

Yes, the LJ71GF11-T2 module can be configured for remote diagnostics using Ethernet-based communication tools. Ensure proper network security measures are in place to protect the system.