The Mitsubishi FR-E740-7.5K-CHT is a versatile variable frequency converter, built for industrial automation where reliable motor control is essential. This VFD frequency converter delivers precise speed and torque regulation, ensuring your machinery runs smoothly, efficiently, and with minimal energy loss. With its 7.5kW power rating and ability to work within a 380-480V three-phase voltage range, it’s ideal for a wide variety of industrial settings.
Designed to handle everything from conveyor belts and fans to pumps and machine tools, this industrial frequency converter stands out for its easy integration and advanced control modes, including both VFD frequency converter and flux vector control. Its compact yet powerful design helps optimize your system’s performance, whether it’s controlling large motors or small, intricate machinery.
Product Details
Product Specifications
Rated Power: 7.5kW, perfect for medium-power motors
Power Supply Voltage: Three-phase 380-480V, compatible with global power systems
Rated Current: 17A at 50°C, ensuring steady operation even in warmer environments
Control Modes: Includes V/F control and flux vector control for various applications
Communication Interface: Standard RS485 with Modbus-RTU for seamless integration with PLCs and PCs
Protection Features: Overload, overheat, overvoltage, and undervoltage protection for safe operation
Product Features
High-Precision Control: The industrial frequency converter ensures stable motor operation, even without sensors, thanks to flux vector control technology.
User-Friendly Design: An integrated digital dial and LED display make it easy for operators to adjust settings and monitor performance.
Simple Wiring: Quick and reliable connections are made easy with integrated spring clamps for both control and power lines.
Regenerative Braking Function: In specific applications like fans and pumps, the inverter intelligently adjusts to prevent issues caused by regenerative braking, keeping your equipment running smoothly.
Applications
Conveyor Belt Drives: Control the speed and start/stop operations of conveyor belts across various industries, such as logistics, food processing, and packaging.
Fan and Pump Control: Ideal for HVAC systems, water treatment facilities, and chemical processing, the VFD frequency converter adjusts motor speed to save energy and reduce wear.
Machine Tool Processing: Improve the precision of machines like lathes, drills, and grinders with the industrial frequency converter, delivering fine motor speed control.
Textile Machinery: Provides stable motor control for textile production lines, ensuring consistent speed and tension for high-quality production.
Usage Instructions
Installation and Wiring: For best results, install the inverter in a dust-free, non-corrosive environment. Follow the wiring diagram carefully to ensure proper connections for power, signal, and motor lines.
Parameter Settings: Adjust the inverter’s parameters based on your specific needs. For applications demanding high precision, switch to flux vector control.
Maintenance and Inspection: Regularly inspect the inverter for physical damage, dust accumulation, or any issues with the fan or cooling system. Check the wiring and connections to ensure everything remains in good working order.
Precautions: Ensure the inverter is used in environments with stable temperature, humidity, and minimal electromagnetic interference. Always follow safety precautions to prevent accidents during operation.
Common Questions (FAQ)
How to Set the Frequency Reference Channel?
Methods: Configure frequency using the panel, external analog signals, or digital signals, all of which work seamlessly with the variable frequency converter.
Signal Stability: Ensure the reference signal’s stability and accuracy for reliable control when using the variable frequency converter.
Parameter Setup: Adjust settings to match the reference method. For analog signals, set input range and corresponding frequency range.
How to Configure the Communication Interface?
Supported Interface: RS485 with Modbus-RTU protocol.
Connection: Use shielded cables for the connection and ensure proper grounding to reduce electromagnetic interference.
Parameter Setup: Set address, baud rate, data bits, and stop bits to align with the connected device’s requirements.
How to Choose the Right Inverter Power?
Matching Power: Choose an inverter with power equal to or slightly higher than the motor’s rated power to handle load fluctuations.
Safety Margin: Opt for a safety margin to account for occasional power surges or peak loads, ensuring long-term stability.
What Cooling System Does the FR-E740-7.5K-CHT Use?
Cooling Method: Forced air cooling with an internal cooling fan.
Installation Tip: Ensure adequate ventilation around the inverter for optimal cooling. Avoid placing it in closed or poorly ventilated areas.
Maintenance: Regularly clean the fan and heat sink to prevent overheating and ensure efficient cooling.
How Can I Reduce Electromagnetic Interference?
EMC Filter: The inverter comes with an integrated EMC filter to suppress interference.
Wiring Tips: Keep signal cables away from power lines, use shielded cables for signal connections, and ensure proper grounding of the shielding layer.
Grounding: Make sure the device is well-grounded according to national and local electrical safety standards to minimize electromagnetic interference.
What Protection Functions Are Included?
Overload Protection: The inverter reduces frequency or stops to protect the motor and itself when the motor load exceeds the rated value.
Overheat Protection: An internal temperature sensor stops the inverter when the temperature exceeds the set value, preventing heat damage.
Additional Protections: Short-circuit, phase-loss, overvoltage, and undervoltage protection ensure the safe operation of the system.
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
