Contents

This section is specifically about safety matters
SAFETY INSTRUCTIONS
CONTENTS
1. PRE-OPERATION INSTRUCTIONS
- 1.1 Unpacking and Product Confirmation
- 1.2 Packing Confirmation
- 1.3 Instruction Manual Note
- 1.4 Structure
- 1.5 Inverter Option (FR-A5NC) Specifications
- 1.6 CC-Link Ver. 1.10
2. INSTALLATION
- 2.1 Pre-Installation Instructions
- 2.2 Station Number and Transmission Baud Rate Setting
  - 2.2.1 Station number setting
  - 2.2.2 Setting of the transmission baud rate setting switch
- 2.3 Installation Procedure
3. Wiring
- 3.1 System Configuration Example
- 3.2 Connection Cable
- 3.3 Connection Diagram
- 3.4 Connection of Several Inverters
4. INVERTER SETTING
- 4.1 Parameter List
- 4.2 Operation Mode
  - 4.2.1 Operation mode indication
  - 4.2.2 Operation mode switching
- 4.3 Operation and Speed Command Source
  - 4.3.1 FR-A500(L)/F500(L) series
  - 4.3.2 FR-V500 series
- 4.4 Operation at Communication Error Occurrence
  - 4.4.1 Operation selection at communication error occurrence
  - 4.4.2 Alarm and measures
- 4.5 Inverter reset
5. FUNCTION OVERVIEW
- 5.1 Function Block Diagram
- 5.2 Function Overview
  - 5.2.1 Output from the inverter to the PLC
  - 5.2.2 Input to the inverter from the PLC.
- 5.3 Device No.
6. COMMUNICATION SPECIFICATIONSA500(L)/F500(L) series
- 6.1 I/O Signal List
  - 6.1.1 Output signals (master unit to inverter (FR-A5NC))
  - 6.1.2 Input signals (inverter (FR-A5NC) to master unit)
- 6.2 Remote Register Assignment
  - 6.2.1 Remote registers (master unit to inverter (FR-A5NC))
  - 6.2.2 Remote registers (inverter (FR-A5NC) to master unit)
- 6.3 Instruction Codes
- 6.4 Code Definitions
  - 6.4.1 Reply Code
  - 6.4.2 Monitor codes
  - 6.4.3 Error code
7. COMMUNICATION SPECIFICATIONS V500 series
- 7.1 I/O Signal List
  - 7.1.1 Output signals (master unit to inverter (FR-A5NC))
  - 7.1.2 Input signals (inverter (FR-A5NC) to master unit)
- 7.2 Remote Register Assignment
  - 7.2.1 Remote registers (master unit to inverter (FR-A5NC))
  - 7.2.2 Remote registers (inverter (FR-A5NC) to master unit)
- 7.3 Instruction Codes
- 7.4 Code Definitions
  - 7.4.1 Reply Code
  - 7.4.2 Monitor codes
  - 7.4.3 Error code
- 7.5 Torque command from communication (Torque control)
8. PROGRAMMING EXAMPLES
- 8.1 Program Example for Reading the Inverter Status
- 8.2 Program Example for Setting the Operation Mode
- 8.3 Program Example for Setting the Operation Commands
- 8.4 Program Example for Monitoring the Output Frequency
- 8.5 Parameter Reading Program Example
- 8.6 Parameter Writing Program Example
- 8.7 Running Frequency (Running Speed) Setting Program Example
- 8.8 Alarm Definition Reading Program Example
- 8.9 Program Example for Resetting the Inverter at Inverter Error
- 8.10 Instructions
9. HOW TO CHECK FOR ERROR USING THE LEDS
- 9.1 When One Inverter Is Connected
- 9.2 When Two or More Inverters Are Connected
- 9.3 Communication Stops During Operation
REVISIONS

Mitsubishi Electric FR A5NC Instructions Manual

Mitsubishi Electric FR A5NC manual cover

Pages 104

Year 2003

Language(s)

of 104

Mitsubishi Electric FR A5NC Specification

The Mitsubishi Electric FR A5NC is a sophisticated network communication option designed to enhance the functionality of the FR-A500 series inverters. This unit facilitates seamless communication with various automation systems, improving operational efficiency and integration. It supports various industrial network protocols, enabling the inverter to connect with different control systems and providing flexibility in network design. The FR A5NC is engineered to ensure robust data transmission and reliable performance, catering to the demands of modern industrial environments.

The module features advanced diagnostic capabilities, allowing for real-time monitoring and troubleshooting, which enhances system uptime and reduces maintenance costs. It also supports high-speed communication, ensuring that data is transmitted and received promptly, which is critical for applications requiring precise control and synchronization. The device is compatible with a range of Mitsubishi Electric software tools, aiding in the streamlined configuration and management of the network.

Installation of the FR A5NC is straightforward, with user-friendly interfaces and comprehensive documentation to guide setup. The compact design of the module allows for easy integration into existing systems without requiring significant modifications. Built with durability in mind, it is equipped to withstand harsh industrial conditions, ensuring long-term reliability. Additionally, the module is designed to be energy-efficient, contributing to overall operational cost savings. Overall, the Mitsubishi Electric FR A5NC stands as a versatile and reliable solution for enhancing network communication in industrial settings.

Mitsubishi Electric FR A5NC F.A.Q.

How do I perform a factory reset on the Mitsubishi Electric FR A5NC inverter?

To perform a factory reset, access the inverter's parameter setting mode, navigate to parameter 79 (Pr. 79) and set it to the value 1. This will reset all parameters to their default factory settings. Ensure that you have recorded all necessary parameters before performing a reset.

What is the procedure to troubleshoot an overcurrent fault on the FR A5NC?

First, check the motor and wiring connections for any short circuits or ground faults. Verify that the motor is not overloaded and that the inverter is properly sized for the application. Inspect the inverter's settings and adjust the current limit parameters if necessary. Reset the fault and restart the inverter to see if the issue persists.

How can I extend the lifespan of the FR A5NC inverter?

Regularly inspect and clean the inverter's cooling fans and heat sinks to prevent overheating. Ensure that the inverter is installed in a well-ventilated area. Regularly check and tighten electrical connections and keep the inverter firmware updated to the latest version.

What maintenance tasks should be performed on the FR A5NC inverter?

Regular maintenance should include cleaning dust and debris from the inverter's cooling components, checking for loose connections, inspecting the condition of the capacitors, and verifying that the inverter operates within specified temperature ranges.

How do I update the firmware on the FR A5NC inverter?

Connect your computer to the inverter using the appropriate communication cable. Use the Mitsubishi Electric FR Configurator software to upload the latest firmware version to the inverter. Follow the on-screen instructions to complete the update process.

What should I do if the inverter displays an 'E.OC1' error code?

The 'E.OC1' error code indicates an overcurrent during acceleration. Check the motor and load for mechanical binding or excessive load. Ensure that the acceleration time is set appropriately and that the motor is not drawing more current than its rated capacity.

Can I use the FR A5NC inverter with a single-phase power supply?

The FR A5NC inverter is designed for three-phase power supply. It is not recommended to use it with single-phase power without consulting Mitsubishi Electric for possible solutions or alternative models suited for single-phase applications.

How do I configure the PID control function on the FR A5NC inverter?

Access the parameter settings and configure the PID control parameters (Pr. 128 to Pr. 133). Set the desired setpoint, feedback source, and tuning parameters for proportional, integral, and derivative control to achieve optimal performance.

What is the recommended ambient temperature range for operating the FR A5NC inverter?

The recommended ambient temperature range for operating the FR A5NC inverter is -10°C to +50°C. Avoid exposing the inverter to direct sunlight or extreme temperature variations to ensure reliable performance.

How can I monitor the performance of the FR A5NC inverter remotely?

The FR A5NC inverter can be monitored remotely by using communication options such as RS-485 or Ethernet, along with compatible software like Mitsubishi Electric's FR Configurator. Set up the network settings to access real-time data and performance metrics.