The Fuji Inverter FRN3.7E1S-4C is a high-performance compact VFD designed for driving and controlling 3.7kW VFD motors. It achieves precise control of motor speed and torque by adjusting the power supply frequency and voltage. Equipped with multiple protection features such as overload, overheat, and overvoltage protection, it ensures stable operation under various conditions. Its compact VFD design also makes it ideal for applications with limited installation space.
Product Specifications
Rated Capacity: 6.8KVA
Rated Current: 9.0A
Motor Power: 3.7kW
Input Voltage: Three-phase AC380V, 50Hz/60Hz
Control Method: Supports vector control and V/F control
Speed Control Accuracy: ±0.005%
Communication Interface: Standard RS485 interface, supports Modbus protocol
Product Features
High-Performance Control: Utilizes vector control technology to achieve high-precision speed and torque control, making it ideal for applications requiring high-performance VFD motors.
Significant Energy Savings: Optimized control algorithms reduce energy consumption, enhancing the efficiency.
Compact Design: Small footprint saves installation space, allowing the compact VFD to fit seamlessly into tight spaces.
Integrated Functions: Built-in auto-tuning, pulse train input, positioning control, and more, ensuring versatile functionality for your VFDS applications.
User-Friendly: Supports multi-language operation panels for ease of use by users in different regions, making the compact VFD accessible to a global audience.
Applications
Industrial Automation: Suitable for applications requiring high-precision speed control, such as CNC machines and metal processing centers, where VFD motors play a crucial role.
HVAC: Can be used to control air conditioning equipment for energy-efficient operation, leveraging the efficiency of compact VFD technology.
General Machinery: Drives for fans, pumps, conveyors, and other equipment, where the compact VFD ensures reliable and efficient performance.
Installation and Usage
Installation Environment: Install in a well-ventilated, dust-free, and non-corrosive gas environment to ensure optimal performance.
Wiring Requirements: Follow the wiring diagram in the product manual to ensure correct connections of power, signal, and motor lines.
Parameter Settings: Set basic parameters such as motor parameters, control mode, and frequency range based on application needs to optimize the performance.
Maintenance: Regularly inspect the cooling system and electrical connections, and clean dust from fans and heat sinks to maintain the longevity.
Precautions
Environmental Conditions: Avoid using in high-temperature, high-humidity, or strong electromagnetic interference environments to protect it.
Power Supply Requirements: Ensure stable power supply voltage to prevent damage to the VFDS.
Safety Operations: Avoid contact with live parts during operation to ensure operator safety when working.
FAQs
How to Perform Motor Autotuning on the FRN3.7E1S-4C Inverter?
Importance of Motor Autotuning: Autotuning is crucial for matching the VFDS with the motor, enhancing control accuracy and system stability. During autotuning, set the motor's nameplate parameters, including power, rated voltage, and rated current.
Precautions During Autotuning: Ensure the motor is correctly connected to the compact VFD and that the inverter is in a ready state. The motor must be stationary to avoid damage during autotuning.
Results After Autotuning: Once completed, the compact VFD will automatically adjust control parameters based on the motor's actual parameters, optimizing performance. This improves system response and control accuracy, meeting high-precision control needs.
How to Configure the Communication Interface?
Communication Interface Type: The FRN3.7E1S-4C inverter comes with a standard RS485 interface, supporting the Modbus protocol, ensuring seamless communication with it.
Communication Line Connection: Ensure proper connection of communication lines using shielded cables with good grounding of the shielding layer to minimize electromagnetic interference for it.
Communication Parameter Settings: Set the inverter's communication address, baud rate, data bits, and stop bits according to the protocol requirements. Ensure consistency with the upper-level computer's communication parameters for reliable connection.
How to Select the Power Range?
Select Based on Load Requirements: Choose the inverter's power range based on the actual load of the VFD motor. For light loads, select an inverter matching the motor's rated power. For heavy loads or high starting torque requirements, choose a higher-power compact VFD.
Consider Safety Factor: It is advisable to select a compact VFD slightly larger than the motor's rated power to handle load fluctuations and unexpected situations.
Overload Capability: It can handle short-term overloads above its rated power, but long-term overloading can affect its lifespan and performance. Avoid long-term overloading when selecting the power range.
What is the Cooling Method of the FRN3.7E1S-4C Inverter?
Cooling Method: The FRN3.7E1S-4C compact VFD uses air cooling.
Installation Requirements: Ensure sufficient space around the compact VFD for air circulation. Avoid installing it in enclosed or poorly ventilated areas to maintain cooling efficiency.
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 FRN3.7E1S-4C Inverter?
Built-in Filters: The compact VFD includes an EMC filter to meet electromagnetic compatibility standards, effectively suppressing electromagnetic interference.
Wiring Precautions: Avoid placing signal lines close to power lines to reduce electromagnetic interference. Use shielded cables for signal connections and ensure proper grounding of the shielding layer for it.
Grounding Measures: Proper grounding is essential to minimize electromagnetic interference. Ensure the equipment is well-grounded and complies with national and local electrical safety regulations.
What Protection Functions Does the FRN3.7E1S-4C Inverter Offer?
Overload Protection: The compact VFD automatically reduces frequency or stops operation when the motor load exceeds the rated value to protect the motor and inverter.
Overheat Protection: An internal temperature sensor automatically shuts down the compact VFD when the temperature exceeds the set value to prevent damage from overheating.
Overvoltage and Undervoltage Protection: The compact VFD 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 operation.
How to Perform Regular Maintenance on the FRN3.7E1S-4C Inverter?
Visual Inspection: Regularly check the compact VFD's exterior for damage or abnormalities, such as cracks in the housing or loose screws.
Cooling System Maintenance: Clean dust from fans and heat sinks to ensure proper cooling system operation. Inspect the fan's operation and replace it if necessary.
Electrical Connection Check: Ensure power and signal lines are securely connected and make sure the VFD motor is operating normally, addressing any issues promptly.
What Precautions Should Be Taken When Installing it?
Installation Location: Install in a well-ventilated, dust-free, and non-corrosive gas environment. Avoid high-temperature, high-humidity, or strong electromagnetic interference areas.
Installation Method: Install the compact VFD vertically to facilitate cooling. Use appropriate fastening methods to prevent vibration damage.
Power Connection: Ensure the power cable meets the required specifications and check the phase sequence. Proper grounding is also essential.
How to Choose the Control Mode?
Select Based on Application Needs: For high-precision speed control, choose vector control mode. For general constant-speed control, select the V/F control mode.
Control Mode Features: Vector control mode provides high-precision speed and torque control for demanding applications. V/F control mode is simpler and suitable for general constant-speed control.
Parameter Settings: After selecting the control mode, adjust parameters according to specific application needs to achieve optimal control.
How to Set the Frequency Setting Channel?
Frequency Setting Methods: Frequency can be set via the inverter panel, external analog signals, or digital signals. Choose the appropriate method based on application needs.
Signal Source Requirements: Ensure the stability and accuracy of the signal source. For example, when using external analog signals, ensure signal stability and interference resistance.
Parameter Configuration: Configure parameters according to the chosen frequency setting method. For example, when using external analog signals, set the input range and corresponding frequency range.
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
