Mitsubishi FR-F500L FR-F520L-75K-NA Instruction Manual

Mitsubishi FR-F500L FR-F520L-75K-NA Inverter manual cover
Pages 217
Year 2004
Language(s)
English en

Mitsubishi FR-F500L FR-F520L-75K-NA Inverter Specification

The Mitsubishi FR-F500L FR-F520L-75K-NA inverter is a high-performance, variable frequency drive designed to optimize the control of AC motors. It is tailored for industrial applications requiring precise motor speed regulation and energy efficiency. This inverter model supports a power rating of 75 kW, making it suitable for medium to large-scale operations. It operates within a voltage range of 380 to 480V, accommodating a variety of industrial power systems.

The FR-F520L-75K-NA is equipped with advanced vector control technology, enabling superior torque performance and dynamic response. It allows for both open and closed-loop control, providing flexibility in application and integration. The inverter features a robust design with a built-in EMC filter, ensuring compliance with international standards for electromagnetic compatibility and minimizing interference in sensitive environments.

A user-friendly interface is provided through an LCD panel, offering intuitive navigation and easy parameter adjustments. The inverter supports multiple communication protocols, including RS-485 and Modbus, facilitating seamless integration with existing automation systems. It also includes comprehensive protective features such as overcurrent, overvoltage, and thermal overload protection to safeguard both the inverter and connected motor.

Energy efficiency is a key focus of the FR-F520L-75K-NA, with built-in energy-saving functions that reduce power consumption during low-load conditions. The cooling system is designed to enhance thermal management, thereby increasing the reliability and lifespan of the device. Overall, the Mitsubishi FR-F520L-75K-NA inverter combines versatility, efficiency, and reliability, making it an ideal choice for diverse industrial applications demanding precise motor control and energy conservation.

Mitsubishi FR-F500L FR-F520L-75K-NA Inverter F.A.Q.

How do I perform a factory reset on the Mitsubishi FR-F500L inverter?

To perform a factory reset on the Mitsubishi FR-F500L inverter, navigate to the parameter setting mode. Set parameter 79 (Pr. 79) to 1, then power off the inverter and power it back on. This will reset all parameters to factory defaults.

What are the steps to troubleshoot an overvoltage fault in the FR-F520L-75K-NA inverter?

First, check the input voltage to ensure it is within the specified range. Next, inspect the deceleration time settings; decrease deceleration time if necessary. Verify that the braking resistor is functioning correctly. If the problem persists, consult the manual for further diagnostic steps.

How can I extend the lifespan of my Mitsubishi inverter?

Regular maintenance is key. Ensure that the inverter is kept free from dust and debris, operate within specified environmental conditions, and perform periodic inspections of connections and components. Also, avoid frequent overloads and ensure proper cooling to prevent overheating.

What maintenance should be regularly performed on the FR-F500L inverter?

Regular maintenance includes cleaning dust from the cooling fan and heat sinks, checking for loose connections, inspecting wiring for wear and tear, and ensuring that all parameters are correctly set according to the application requirements.

How can I adjust the acceleration and deceleration times on the FR-F520L-75K-NA inverter?

To adjust acceleration time, modify parameter 7 (Pr. 7). For deceleration time, adjust parameter 8 (Pr. 8). Enter the desired time in seconds for each parameter using the inverter's keypad or through a connected PC interface.

What should I do if the inverter is not starting the motor?

Check that the input power supply is connected and within the specified voltage range. Verify that start commands are correctly wired and that the inverter is not in a fault state. Inspect motor connections and parameters to ensure compatibility.

How do I configure the inverter for PID control?

To configure PID control, first enable the PID function by setting parameter 120 (Pr. 120) to 1. Configure the PID setpoint and feedback settings via parameters 121 to 127. Fine-tune the PID gains according to your system requirements.

What are common causes of inverter overheating and how can they be prevented?

Common causes include inadequate ventilation, blocked cooling fans, excessive ambient temperature, and overloading. To prevent overheating, ensure that the inverter is installed in a well-ventilated area, regularly clean the cooling components, and avoid operating beyond rated capacities.

How can I monitor the performance of my Mitsubishi FR-F500L inverter?

Performance can be monitored using the built-in display panel to observe key parameters such as current, voltage, and frequency. Additionally, connect the inverter to a PC using Mitsubishi's monitoring software for detailed data logging and analysis.

What is the procedure to replace the cooling fan in the FR-F520L-75K-NA inverter?

First, disconnect the power supply to the inverter and wait for a few minutes for the capacitors to discharge. Open the inverter cover, locate the cooling fan, and disconnect its power connector. Remove the screws securing the fan, replace it with a new one, and reassemble in reverse order.