The FR-E720-2.2K inverter is a high-performance product in the FR-E700 series by Mitsubishi Electric. Designed to meet the high-precision and high-reliability requirements for motor control in industrial automation, this electric frequency converter with a rated power of 2.2kW supports a three-phase power supply voltage range of 380-480V. Offering extensive speed and torque control capabilities, it excels in industrial applications such as belt drive, fan and pump control, and machine tool processing. This solid-state frequency converter vs VFD comparison reveals that, while both control motor speed, the FR-E720-2.2K offers enhanced precision and efficiency compared to typical VFDs.
As a frequency converter vs VFD alternative, the FR-E720-2.2K brings superior flexibility and control precision. It ensures stable motor operation, minimizing maintenance and maximizing energy efficiency, a key advantage of solid-state frequency converters. Unlike traditional VFDs, this electric frequency converter incorporates advanced features such as sensorless vector control and energy optimization, offering a competitive edge in motor control applications. Thus, when comparing frequency converter vs VFD, the FR-E720-2.2K is an ideal choice for high-performance, energy-efficient motor control.
Product Details
Product Specifications
Rated Power: 2.2kW, suitable for driving medium-power motors
Power Supply Voltage: Three-phase 380-480V, adaptable to different national and regional power grid standards
Control Modes: Offers V/F control, sensorless vector control, and other modes to meet various application needs, including as a solid state frequency converter
Communication Interface: Equipped with a standard RS485 interface, supporting the Modbus-RTU protocol for easy communication with PLCs, PCs, and other devices
Protection Functions: Features overload, overheat, overvoltage, and undervoltage protection to ensure safe operation of the equipment
Product Features
High-Precision Control: The electric frequency converter uses sensorless vector control technology, ensuring precise speed and torque regulation even without external sensors.
Energy Efficient: As a solid state frequency converter, it optimizes energy use and reduces operational costs, making it ideal for continuous operation in industrial applications.
User-Friendly Design: Equipped with an integrated digital dial and a four-digit LED display, operators can easily adjust settings, monitor real-time current values, and receive alerts.
Simple Wiring: The FR-E720-2.2K uses integrated spring clamps for quick and secure connections of control and power lines, making installation easy and reliable
Applications
Belt Drive Systems: Perfect for controlling the start, stop, and speed regulation of conveyor belts in logistics, packaging, food processing, and similar industries.
Fan and Pump Control: The electric frequency converter is applied in HVAC, water treatment, and chemical processing systems to regulate the speed of fans and pumps, achieving energy savings and reducing mechanical wear.
Machine Tool Processing: The FR-E720-2.2K provides high-precision motor speed control for machines like lathes and drills, ensuring improved processing accuracy and higher-quality products.
General Industrial Use: Whether in textile production or other high-demand sectors, the solid state frequency converter ensures continuous and stable motor operation across complex industrial systems.
Usage Instructions
Installation and Wiring: Install the inverter in a dust-free, non-corrosive, and low-electromagnetic-interference environment to ensure optimal performance. Follow the provided wiring diagram carefully for proper connection of power, signal, and motor lines.
Parameter Settings: Set parameters based on your application requirements. For applications that demand high precision, select the sensorless vector control mode for enhanced control as a solid state frequency converter.
Maintenance and Inspection: Regularly inspect the inverter for any physical damage, dust accumulation on heat sinks, and check the cooling fan’s operation. Periodically review the inverter's settings to ensure they align with your system’s needs.
Common Questions (FAQ)
How to Perform Motor Auto-Tuning on the Inverter?
Methods: Auto-tuning is performed by inputting the motor’s nameplate parameters, including power, rated voltage, and rated current.
Process: During the auto-tuning, the inverter injects current into the motor, ensuring optimal control settings. Ensure that the inverter is properly connected before starting the tuning process.
Result: After completing auto-tuning, the inverter automatically adjusts the motor control parameters for maximum performance and efficiency.
How to Configure the Communication Interface of the FR-E720-2.2K Inverter?
Supported Interface: RS485 with Modbus-RTU protocol.
Connection: Use shielded cables for the communication lines and ensure proper grounding to reduce electromagnetic interference.
Parameter Setup: Set the communication address, baud rate, data bits, and stop bits according to the connected device’s requirements.
How to Select the Power Range for the Inverter?
Matching Power: Choose an inverter with a power rating equal to or slightly higher than the motor’s rated power to handle load fluctuations.
Safety Margin: Select an inverter with a higher power rating for applications with high starting torque or heavy loads to ensure long-term reliability.
What Cooling Method Does the FR-E720-2.2K Use?
Cooling Type: Forced air cooling with an internal fan.
Installation Tip: Ensure the inverter is installed in a well-ventilated area to facilitate proper cooling. Avoid placing the unit in enclosed or poorly ventilated spaces.
Maintenance: Regularly clean the fan and heat sink to maintain optimal cooling and prevent overheating.
How to Minimize Electromagnetic Interference (EMI) with the FR-E720-2.2K?
EMC Filter: The inverter is equipped with an integrated EMC filter to suppress electromagnetic interference.
Wiring Recommendations: Keep signal cables away from power cables and use shielded cables for signal connections. Proper grounding is essential to reduce EMI.
Grounding: Ensure the device is properly grounded according to national and local electrical safety standards.
What Protection Functions Are Included in the FR-E720-2.2K Inverter?
Overload Protection: The inverter will reduce frequency or stop operation if the motor load exceeds the rated value, protecting both the motor and the inverter.
Overheat Protection: An internal temperature sensor will stop the inverter if the temperature exceeds the safe threshold, preventing heat damage.
Additional Protections: The inverter also includes short-circuit protection, phase-loss protection, and overvoltage/undervoltage protection, ensuring safe and reliable operation.
How to Maintain the FR-E720-2.2K Inverter?
Inspection: Regularly check the inverter for any visible damage or wear, such as cracks or loose screws.
Cleaning: Periodically clean the cooling fan and heat sink to ensure proper airflow and prevent overheating.
Wiring Check: Inspect the power and signal lines to ensure they are securely connected and free from damage.
What Are the Installation Considerations for the FR-E720-2.2K?
Environmental Conditions: Install the inverter in a dust-free, non-corrosive, low-electromagnetic-interference environment to ensure optimal performance.
Cooling: Ensure proper ventilation around the inverter, and install it vertically to facilitate efficient cooling.
Power Cable: Use a power cable that meets the required specifications and ensure the correct phase sequence when connecting the inverter.
How to Select the Control Mode for the FR-E720-2.2K Inverter?
Control Mode: For high-precision speed and torque control, select the sensorless vector control mode. For general constant-speed control, use the V/F control mode.
Application Suitability: Choose the appropriate mode based on your application’s specific needs to achieve optimal performance.
How to Set the Frequency Command Channel of the FR-E720-2.2K Inverter?
Frequency Command: Frequency can be set via the inverter panel, external analog signals, or digital signals.
Signal Stability: Ensure the stability and accuracy of the signal source to maintain reliable frequency control.
Parameter Setup: Adjust the inverter settings to match the selected frequency command method for optimal operation.
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.
010-64225983
+8613811814778
info@zhongpingtech.com
Building 26, Liyuan Community, Chaoyang District, Beijing, China
