The Mitsubishi Inverter FR-E840-1.5K is a high-performance general-purpose inverter from the FR-E800 series, designed for 1.5kW motors. It is widely used in industrial automation, mitsubishi electric inverter mechanical drives, and energy-saving control applications. With multiple control methods, rich functionality, and flexible configuration options, this mitsubishi inverter meets the diverse needs of various industrial scenarios.

Product Specifications
Rated Power: 1.5kW
Rated Current: 4A
Input Voltage: Three-phase 380-480V
Frequency Range: 0.2-590Hz
Control Methods: Supports V/F control, sensorless vector control, and permanent magnet vector control
Communication Interfaces: Built-in USB interface (Mini B type) and Ethernet interface, supporting Modbus/TCP, Ethernet/IP, and other protocols
Protection Rating: IP20
Display: Built-in 4-digit LED display
Dimensions and Weight: 108mm × 128mm × 135mm, weighing approximately 1.4kg
Product Features
Energy Efficiency: Optimized control algorithms automatically adjust motor speed based on load demand, reducing energy consumption.
High-Precision Control: Sensorless vector control technology delivers high-precision speed and torque control.
User-Friendly Panel: Built-in easy-to-use control panel supports multiple parameter settings and real-time monitoring.
Flexible Control Modes: Multiple frequency setting methods are supported, including panel setting, external analog signal setting, and digital signal setting.
Robust Protection: Features overload, overheat, overvoltage, undervoltage, and other protection functions to ensure safe operation under various conditions.
Applications
The FR-E840-1.5K mitsubishi inverter is widely used in the following areas:
Industrial Automation: Optimizes production efficiency by adjusting mitsubishi electric speeds on automated production lines.
Mechanical Equipment: Mitsubishi electric inverter used in conveyors, fans, pumps, and other equipment to achieve energy savings and precise control.
HVAC Systems: Regulates fan speeds to achieve precise temperature control.
Installation and Wiring
Installation Environment: Choose a well-ventilated, dust-free, and non-corrosive gas environment. Avoid high temperatures, humidity, and strong electromagnetic interference.
Wiring Requirements: Follow the wiring diagram in the product manual to ensure correct connections of power, signal, and mitsubishi electric cables.
Grounding Protection: Ensure proper grounding of the equipment to comply with electrical safety standards.
Parameter Settings
Basic Parameter Settings: Including motor parameters, control methods, frequency range, etc., set according to the actual application needs.
Advanced Function Configuration: Such as PID control and multi-speed control, configured based on specific application scenarios.
Maintenance and Inspection
Regular Inspection: Check the inverter’s appearance for damage, dust accumulation on heat sinks, and proper fan operation.
Parameter Verification: Regularly verify the inverter’s parameter settings to ensure they match the application requirements.
Fault Diagnosis: When a fault occurs, promptly check the fault code and follow the troubleshooting guide in the manual to identify and resolve the issue.
Precautions
Environmental Conditions: Avoid using the product in high-temperature, high-humidity, or strong electromagnetic interference environments.
Power Requirements: Ensure stable power supply voltage to prevent damage to the inverter from voltage fluctuations.
Safe Operation: Avoid contact with live parts during operation to ensure operator safety.
Frequently Asked Questions (FAQ)
How to Perform Motor Self-Tuning?
Importance of Motor Self-Tuning: Motor self-tuning is a crucial step to ensure compatibility between the inverter and the mitsubishi electric, enhancing control accuracy and system stability. During self-tuning, you need to set the motor’s nameplate parameters, including power, rated voltage, rated current, etc.
Precautions During Self-Tuning: During the self-tuning process, the inverter injects current into the motor. Ensure the motor is correctly connected to the inverter and that the inverter is in a ready state. Also, make sure the motor is stationary to avoid damage during self-tuning.
Results of Self-Tuning: After completing self-tuning, the inverter automatically adjusts control parameters based on the actual motor parameters to achieve optimal performance. This improves system response speed and control accuracy, meeting high-precision control requirements.
How to Configure the Communication Interface of the Inverter?
Communication Interface Types: The FR-E840-1.5K inverter supports USB and Ethernet interfaces, with built-in protocols such as Modbus/TCP and Ethernet/IP.
Communication Line Connection: Ensure correct connection of the communication lines. Use shielded cables and properly ground the shielding layer to minimize electromagnetic interference.
Communication Parameter Settings: Set the inverter’s communication address, baud rate, data bits, stop bits, etc., according to the protocol requirements. Ensure consistency with the upper-level machine’s communication parameters for reliable connection.
How to Choose the Power Range of the Inverter?
Select Based on Load Requirements: When choosing the inverter’s power range, consider the actual load of the motor. For light loads, select an inverter matching the motor’s rated power. For heavy loads or applications requiring high starting torque, choose an inverter with slightly higher power.
Consider Safety Margin: It is advisable to select an inverter with slightly higher power than the motor’s rated power to accommodate load fluctuations and unexpected situations.
Overload Capability: The FR-E840-1.5K inverter has some overload capacity, but long-term overload can affect its lifespan and performance. Therefore, avoid continuous overloading when selecting the power range.
What is the Cooling Method of the Inverter?
Cooling Method: The FR-E840-1.5K inverter uses forced air cooling.
Installation Requirements: Ensure sufficient space around the inverter for proper airflow. Avoid installing it in enclosed or poorly ventilated areas to maintain effective cooling.
Maintenance: Regularly clean dust from fans and heat sinks to prevent overheating due to poor cooling. Check the fan’s operation to ensure it is working properly.
How to Avoid Electromagnetic Interference with the FR-E840-1.5K Inverter?
Built-in Filter: The inverter is equipped with an EMC filter that meets relevant electromagnetic compatibility standards, effectively suppressing electromagnetic interference.
Wiring Precautions: Avoid placing signal cables close to power cables to reduce electromagnetic interference. Use shielded cables for signal connections and ensure proper grounding of the shielding layer.
Grounding: Proper grounding is essential to minimize electromagnetic interference. Ensure the equipment is grounded according to national and local electrical safety regulations.
What Protection Features Does the FR-E840-1.5K Inverter Offer?
Overload Protection: When the motor load exceeds the rated value, the inverter automatically reduces frequency or stops to protect the motor and inverter.
Overheat Protection: An internal temperature sensor monitors the inverter’s temperature. If it exceeds the set value, the inverter automatically shuts down to prevent damage from overheating.
Overvoltage and Undervoltage Protection: The mitsubishi electric inverter automatically stops when the power supply voltage is too high or too low. It also features short-circuit and phase-loss protection to ensure safe system operation.
How to Perform Regular Maintenance on the Inverter?
Visual Inspection: Regularly check the inverter’s appearance for damage or abnormalities, such as cracks in the casing or loose screws.
Cooling System Maintenance: Clean dust from fans and heat sinks to ensure proper cooling system operation. Inspect fan operation and replace if necessary.
Electrical Connection Check: Verify the secure connection of power and signal cables. Ensure good contact and check the motor’s operating condition to identify and address any issues promptly.
What Precautions Should Be Taken When Installing the Inverter?
Installation Location: Choose a well-ventilated, dust-free, and non-corrosive gas environment. Avoid high-temperature, high-humidity, or strong electromagnetic interference areas.
Installation Orientation: Ensure the inverter is installed vertically to facilitate cooling. Use appropriate fixing methods to prevent vibration-related damage.
Power Connection: Ensure the power cable meets the required specifications and check the correct phase sequence. Proper grounding is also essential.
How to Choose the Control Mode of the FR-E840-1.5K Inverter?
Select Based on Application Needs: For applications requiring high-precision speed control, choose sensorless vector control mode. For general constant-speed control, V/F control mode is suitable.
Control Mode Features: Sensorless vector control mode offers high-precision speed and torque control for applications with high control accuracy requirements. V/F control mode is simple and easy to use for general constant-speed control.
Parameter Settings: After selecting the control mode, configure the parameters according to the specific application needs to achieve the best control performance.
How to Set the Frequency Setting Channel of the Inverter?
Frequency Setting Methods: Frequency can be set through the inverter panel, external analog signals, or digital signals. Choose the appropriate method based on your application needs.
Signal Source Requirements: Ensure the stability and accuracy of the signal source. For example, when using external analog signals for frequency setting, ensure signal stability and interference resistance.
Parameter Configuration: Configure the parameters according to the selected frequency setting method. For example, for external analog signal setting, configure the input signal range and corresponding frequency range.
Advantages
High Efficiency and Energy Saving
Optimizes motor control to reduce energy consumption and improve system efficiency.
Compact Design
Small size saves installation space, making it suitable for applications with limited space.
Easy Operation
Features a user-friendly interface, simplifying parameter setting and debugging, and reducing operational difficulty.
High Reliability
Utilizes high-quality components and advanced technology to ensure stable operation in harsh environments.
Multifunctional Protection
Equipped with various protection functions such as overcurrent, overvoltage, and overheating to safeguard the equipment and motor.
Wide Applicability
Suitable for various equipment including fans, pumps, and conveyors, meeting diverse industrial needs. It can also be used in klima Mitsubishi .
Communication Capabilities
Supports multiple communication protocols, facilitating system integration and remote monitoring.
Materials
Housing
Typically made of high-strength plastic or metal, providing excellent protection and heat dissipation.
Circuit Board
Uses high-quality PCB to ensure circuit stability and durability.
Electronic Components
Employs high-reliability components such as capacitors, resistors, and semiconductors to ensure long-term stable operation.
Heat Dissipation Materials
Utilizes efficient heat sinks or fans to ensure effective heat dissipation and prevent overheating.
Connectors
Uses durable connectors and terminals to ensure reliable electrical connections.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a one-stop integrated service provider of intelligent manufacturing, belongs to the Gong Doctor Group, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1). Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3). At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.