The FujiElectric FRN75G1S-4C VSD motor frequency drive is a high-performance inverter from Fuji Electric's G1S series, designed for 75kW three-phase asynchronous motors with a 380V supply. Utilizing advanced vector control technology, this frequency drive ensures precise speed and torque control, making it ideal for industrial automation, general machinery, fans, and pumps.
Product Specifications
Rated Power: 75kW
Supply Voltage: Three-phase 380-480V
Control Method: Voltage vector control, providing high starting torque at low speeds
Frequency Range: 0-400Hz
Protection Features: Overload, overheat, overvoltage, undervoltage, short circuit, phase loss, etc.
Communication Interface: Standard RS485 interface with Modbus protocol support
Environmental Adaptability: Operating temperature range of -10°C to +50°C
Product Features
High-Performance Vector Control: Advanced vector control algorithms deliver up to 200% starting torque at 0.3Hz, even at low speeds, ideal for high-precision control needs.
Rapid Response: Capable of 600 forward/reverse response cycles per second (frequency response of 600Hz), suitable for applications requiring rapid start-stop and frequent direction changes.
User-Friendly Design: Equipped with bilingual (Chinese and English) operation panels for intuitive parameter setting and monitoring.
Superior Cooling Performance: Forced air cooling ensures stable operation in high-temperature environments.
Flexible Configuration: Optional accessories such as braking units and DC reactors can be selected based on specific needs.
Applications
Industrial Automation: Suitable for CNC machines, metal processing centers, and other equipment requiring high precision in speed control and fast torque response.
General Machinery: Used in wire drawing machines, mixers, extruders, and winding machinery.
Fans and Pumps: In HVAC, water treatment, and chemical industries, it regulates the speed of fans and pumps to achieve energy savings.
Conveyors and Hoists: In logistics, packaging, and food processing industries, it controls the start, stop, and speed regulation of conveyor belts.
Instructions for Use
Installation and Wiring
Installation Environment: Choose a well-ventilated, dust-free, and non-corrosive gas environment. Avoid high temperatures, high humidity, and strong electromagnetic interference.
Wiring Requirements: Follow the manual strictly to ensure correct connections of power, signal, and motor cables. Pay attention to the specifications and phase sequence of the power cables.
Grounding Protection: Ensure proper grounding of the VSD motor and frequency drive to comply with electrical safety standards.
Parameter Settings
Basic Parameters: Set VSD motor parameters, control methods, frequency range, etc., according to actual needs.
Advanced Functions: Configure features such as PID control and multi-speed control based on application scenarios.
Maintenance and Inspection
Regular Inspection: Check the appearance, heat sinks, fans, and other components. Clean dust to ensure good heat dissipation.
Parameter Verification: Regularly verify parameter settings to ensure they match actual requirements.
Fault Diagnosis: Troubleshoot and resolve issues based on fault codes.
Precautions
Environmental Conditions: Avoid using in high-temperature, high-humidity, and strong electromagnetic interference environments.
Power Requirements: Ensure stable supply voltage to prevent damage from voltage fluctuations.
Safe Operation: Avoid contact with live parts during operation and disconnect power during maintenance.
Frequently Asked Questions (FAQ)
1. How to Perform Motor Auto-Tuning on the FujiElectric FRN75G1S-4C VSD Motor Frequency Drive?
Importance: Motor auto-tuning is a critical step to ensure compatibility between the VSD motor and frequency drive, enhancing control accuracy and system stability.
Precautions: During auto-tuning, the frequency drive injects current into the motor. Ensure the motor is properly connected and is in a stationary state.
Effect: After auto-tuning, the FujiElectric inverter automatically adjusts control parameters based on motor characteristics to achieve optimal performance.
2. How to Configure the Communication Interface of the Frequency Drive?
Interface Type: Supports RS485 interface with Modbus protocol communication.
Connection Requirements: Use shielded cables for communication lines and ensure proper grounding of the shielding layer.
Parameter Settings: Configure communication address, baud rate, and other parameters according to the protocol requirements.
3. What is the Cooling Method of the FujiElectric FRN75G1S-4C Frequency Drive?
Cooling Method: Forced air cooling.
Installation Requirements: Ensure sufficient space around the inverter for proper air circulation.
Maintenance: Regularly clean dust from fans and heat sinks.
4. How to Avoid Electromagnetic Interference with the Frequency Drive?
Built-in Filters: The frequency drive includes an EMC filter that complies with electromagnetic compatibility standards.
Wiring Precautions: Avoid placing signal cables close to power cables and use shielded cables.
Grounding Measures: Ensure proper grounding of the VSD motor and the entire system.
5. What Protection Features Does the Frequency Drive Offer?
Overload Protection: Automatically reduces frequency or shuts down when the load exceeds the rated value.
Overheat Protection: Equipped with internal temperature sensors that shut down the frequency drive when the temperature exceeds the set limit.
Overvoltage and Undervoltage Protection: Automatically shuts down in case of abnormal supply voltage.
6. How to Perform Regular Maintenance on the FujiElectric FRN75G1S-4C VSD Motor Frequency Drive?
Appearance Inspection: Check for any damage or abnormalities.
Cooling System Maintenance: Clean dust from fans and heat sinks.
Electrical Connection Check: Ensure power and signal cables are securely connected.
7. How to Set the Frequency Reference Channel on the Frequency Drive?
Setting Methods: Frequency can be set via the panel, external analog signals, or digital signals.
Signal Source Requirements: Ensure the signal source is stable and has strong anti-interference capabilities.
Parameter Configuration: Set the signal input range and corresponding frequency according to the chosen method.
8. What Should Be Noted During the Installation of the Frequency Drive?
Installation Location: Choose a well-ventilated, dust-free, and non-corrosive gas environment.
Installation Method: Install vertically for better heat dissipation.
Power Connection: Ensure the power cable specifications meet requirements and pay attention to phase sequence and grounding.
9. How to Select the Control Mode of the Frequency Drive?
Application Requirements: Choose between V/F control and vector control based on needs.
Mode Characteristics: Vector control is suitable for high-precision applications, while V/F control is for general constant-speed control.
Parameter Settings: Adjust parameters according to the selected mode.
10. What Are the Common Faults of the Frequency Drive?
Overload Fault: May be caused by excessive load or motor failure.
Overheat Fault: Check if the cooling system is functioning properly.
Communication Fault: Check communication lines and parameter settings.
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
