The FUJI FRN18.5LM1S-4C VFD drive is a high-performance variable frequency drive designed for precise motor control. Utilizing advanced servo motor technology, ensures smooth operation, efficient power conversion, and superior speed regulation for industrial automation and motion control applications. It is designed for 18.5kW motors with a rated capacity of 29kVA and a rated voltage of three-phase 400V. This VFD drive is specifically tailored for elevator use, boasting high-performance overload capabilities and rapid current response speed to meet the high-precision control requirements of elevator operations.
Product Specifications
Applicable Motor Power: 18.5kW
Rated Capacity: 29kVA
Rated Voltage: Three-phase 400V
Rated Current: 37A
Control Method: Sensorless vector control for high-precision speed and torque control
Speed Range: 0.5-400Hz
Protection Features: Overload, overheat, overvoltage and undervoltage protection, etc.
Communication Interface: Standard RS485 interface with support for Modbus-RTU protocol
Environmental Adaptability: Operating temperature ranges from -10°C to +50°C
Product Features
High Overload Capability: 200% overload for up to 10 seconds
Fast Response: Current response speed is five times faster than the original UD series
Precision Control: Sensorless vector control technology ensures stable servo motor operation under varying loads
User-Friendly: Equipped with a digital dial and a four-digit LED display for easy operation
Reliable Design: Uses high-performance heat-resistant capacitors and cooling fans to extend the inverter's lifespan
Applications
The FRN18.5LM1S-4C VFD drive is primarily used in elevator control systems, including:
Passenger Elevators: Provides a smooth and comfortable ride, meeting the vertical transportation needs of high-rise buildings
Freight Elevators: Used in logistics and warehousing for stable and safe vertical transportation of goods
Escalators: Controls the start, stop, and speed regulation of escalators in shopping malls, subway stations, and other venues
Installation and Wiring
Ensure the installation environment is well-ventilated, free of dust and corrosive gases, and free from strong electromagnetic interference to enhance the performance of the variable frequency drive. Proper ventilation also helps maintain the longevity of the VFD drive. Follow the wiring diagram in the manual to connect the power, signal, and motor lines correctly.
Ensure proper grounding of the equipment in accordance with electrical safety standards.
Parameter Settings
Set servo motor parameters, control methods, and frequency ranges based on actual application needs.
For high-precision control applications, select sensorless vector control mode.
Configure advanced functions such as PID control and multi-speed control.
Maintenance and Inspection
Regularly inspect the VFD drive's appearance, heat sinks, and fans, and clean off dust.
Verify parameter settings to ensure they match application requirements.
Troubleshoot and address issues based on fault codes when problems occur.
Precautions
Environmental Conditions: Avoid using in high-temperature, high-humidity, or strong electromagnetic interference environments.
Power Requirements: Ensure stable power supply voltage to avoid voltage fluctuations.
Safety Operations: Avoid contact with live parts during operation and disconnect power before maintenance.
Frequently Asked Questions (FAQ)
How to perform motor auto-tuning for the FRN18.5LM1S-4C inverter?
Importance of Auto-Tuning: Motor auto-tuning is a crucial step to ensure the compatibility between the inverter and the motor, enhancing control precision and system stability. When performing auto-tuning, first set the motor's nameplate parameters, such as power, rated voltage, and rated current.
Precautions During Auto-Tuning: During auto-tuning, the inverter injects current into the motor. Therefore, ensure the motor is correctly connected to the inverter and the inverter is in a ready state. Also, ensure the motor is stationary to prevent damage during auto-tuning.
Post-Auto-Tuning Effects: After auto-tuning, the inverter automatically adjusts control parameters based on the actual motor parameters, achieving optimal performance, improving system response speed and control precision, and meeting high-precision control requirements.
How to configure the communication interface of the FRN18.5LM1S-4C inverter?
Communication Interface Type: The FRN18.5LM1S-4C variable frequency drive supports the RS485 communication interface with built-in Modbus-RTU protocol, allowing seamless integration with industrial VFD drive networks
Communication Line Connection: When configuring the communication interface, ensure the communication lines are correctly connected. Use shielded cables and ensure the shielding is properly grounded to minimize electromagnetic interference.
Communication Parameter Settings: Set the inverter's communication address, baud rate, data bits, stop bits, etc., according to the communication protocol requirements. Ensure these parameters match those of the upper-level computer for reliable communication.
How to select the power range of the FRN18.5LM1S-4C inverter?
Select Based on Load Requirements: When choosing the inverter's power range, determine it based on the actual load conditions of the motor. If the load is light, select an inverter that matches the motor's rated power; if the load is heavy or there is a significant starting torque requirement, choose an inverter with a higher power rating.
Consider Safety Margin: When selecting the power range, also consider the system's safety margin. It is generally recommended to choose an inverter with a power rating slightly higher than the motor's rated power to handle load fluctuations and unexpected situations.
Overload Capability: The FRN18.5LM1S-4C inverter has a certain overload capability, allowing it to withstand loads exceeding its rated power for short periods. However, long-term overload can affect the inverter's lifespan and performance, so avoid long-term overload operation when selecting the power range.
What is the cooling method of the FRN18.5LM1S-4C inverter?
Cooling Method: The FRN18.5LM1S-4C variable frequency drive uses forced air cooling with an internal cooling fan to prevent overheating and ensure reliable operation of the servo motor.
Installation Requirements: When installing the inverter, ensure there is sufficient space around it for air circulation. Avoid installing it in enclosed or poorly ventilated environments to ensure effective cooling.
Maintenance and Care: Regularly clean the fans and heat sinks to prevent overheating due to poor cooling. Also, check the fan's operation to ensure it is working properly.
How to avoid electromagnetic interference with the FRN18.5LM1S-4C inverter?
Built-in Filters: The inverter is equipped with an EMC filter that meets relevant electromagnetic compatibility standards, effectively suppressing electromagnetic interference.
Wiring Precautions: When wiring, avoid placing signal lines close to power lines to reduce electromagnetic interference. Use shielded cables for signal lines and ensure the shielding is properly grounded.
Grounding Measures: Proper grounding is crucial for reducing electromagnetic interference. Ensure the equipment is properly grounded and complies with national and local electrical safety regulations.
What protection features does the FRN18.5LM1S-4C inverter have?
Overload Protection: When the motor load exceeds the rated value, the inverter automatically reduces the frequency or stops to protect the motor and the inverter.
Overheat Protection: The inverter has an internal temperature sensor that automatically shuts down the system when the temperature exceeds the set value to prevent damage from overheating.
Overvoltage and Undervoltage Protection: The inverter automatically shuts down when the power supply voltage is too high or too low to protect the equipment. Additionally, it features short-circuit and phase-loss protection to ensure safe system operation.
How to perform regular maintenance on the FRN18.5LM1S-4C inverter?
Visual Inspection: Regularly check the inverter's appearance for any damage or abnormalities, such as cracks in the casing or loose screws.
Cooling System Maintenance: Clean the fans and heat sinks to ensure the cooling system works properly. Check the fan's operation and replace it if there are any issues.
Electrical Connection Check: Ensure the power and signal lines are securely connected and make sure the motor operates normally. Address any abnormalities promptly.
What should be considered when installing the FRN18.5LM1S-4C inverter?
Installation Location: Choose a well-ventilated, dust-free, and non-corrosive gas environment for installation. Avoid installing the inverter in high-temperature, high-humidity, or strong electromagnetic interference areas.
Installation Method: Ensure the inverter is installed vertically for effective cooling. Use appropriate fixing methods to prevent vibration from affecting the equipment.
Power Connection: When connecting the power supply, ensure the power cable meets the required specifications and pay attention to the correct phase sequence. Ensure proper grounding of the equipment.
How to select the control mode of the FRN18.5LM1S-4C inverter?
Select Based on Application Needs: For applications requiring high-precision speed control, choose sensorless vector control mode; for general constant-speed control applications, select V/F control mode.
Control Mode Characteristics: Sensorless vector control mode enables high-precision speed and torque control, suitable for applications with high control precision requirements. V/F control mode is simple and easy to use, suitable for general constant-speed control.
Parameter Settings: After selecting the control mode, set the parameters according to specific application needs to achieve the best control effect.
How to set the frequency setting channel of the FRN18.5LM1S-4C inverter?
Frequency Setting Methods: Frequency can be set through the inverter panel, external analog signals, or digital signals. Users can choose the appropriate frequency setting method based on actual application needs.
Signal Source Requirements: When setting the frequency setting channel, ensure the stability and accuracy of the signal source. For example, when using external analog signals for frequency setting, ensure the signal's stability and interference resistance.
Parameter Configuration: Configure the parameters according to the selected frequency setting method. For example, for external analog signal settings, set the input range of the signal and the corresponding frequency range to ensure seamless integration with the variable frequency drive 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
