This VFD converter is under the Omron RX2 series. It is a high-performance variable frequency converter, designed for the drive control of medium and small power motors. This frequency drive converter offers precise vector control capabilities, enabling rapid response and high-precision speed and torque control, with a rated power of 0.75kW and an input voltage of three-phase 200÷240VAC. It is widely used in various industrial automation scenarios.

Product Specifications
Rated Power: 0.75kW
Input Voltage: Three-phase 200÷240VAC
Control Method: Vector Control
Frequency Range: 0-400Hz
Communication Interface: Standard RS485 interface, supporting Modbus protocol
Protection Functions: Overload, overheat, overvoltage, undervoltage, and other protection features
Installation Method: Wall-mounted with an IP20 protection rating
Product Features
Precision Vector Control: Using advanced vector control technology, this variable frequency converter achieves high-precision speed and torque control without sensors, ensuring stable motor operation under various loads and meeting high-precision control requirements.
Comprehensive Protection Functions: With multiple protection features such as overload, overheat, overvoltage, and undervoltage protection, it ensures timely protection of equipment under abnormal conditions and extends the service life of the device.
Significant Energy Savings: By optimizing the motor's operating state, it effectively reduces energy consumption, especially in variable-speed applications like fans and pumps, where energy-saving effects are particularly remarkable.
User-Friendly Operation: Equipped with an intuitive digital operator, users can easily set parameters and monitor operations through a simple menu, quickly completing commissioning and routine tasks.
Powerful Communication Capabilities: The standard RS485 interface supports the Modbus protocol, allowing seamless connection with PLCs, HMIs, and other devices for centralized control and remote monitoring.
High Reliability: The compact design and high protection rating (IP20) of the frequency drive converter enable stable operation in harsh industrial environments, reducing failures caused by environmental factors.
Applications
Fan and Pump Control: Used in HVAC, water treatment, and other fields to adjust the speed of fans and pumps, achieving energy savings and cost reduction.
Conveyor Belt Drive: In logistics and packaging industries, it controls the start, stop, and speed adjustment of conveyor belts to improve production efficiency.
Machine Tool Applications: Such as lathes and drilling machines, precise motor speed control enhances machining accuracy and product quality.
Installation and Wiring
Installation Environment: Choose a well-ventilated, dust-free, and non-corrosive gas environment.
Wiring Requirements: Follow the wiring diagram in the product manual strictly to ensure correct connections of power, signal, and motor cables.
Grounding Protection: Ensure proper grounding of the device in accordance with national and local electrical safety standards.
Parameter Settings
Basic Parameter Settings: Including motor parameters, control methods, and frequency ranges, set according to the actual application needs.
Advanced Function Configuration: Such as PID control and multi-speed control, configure based on specific application scenarios.
Maintenance and Inspection
Regular Inspection: Check the inverter's appearance for damage, dust accumulation on heat sinks, and proper fan operation.
Parameter Verification: Regularly verify the inverter's parameter settings to ensure they match the actual application requirements.
Fault Diagnosis: When a fault occurs, promptly check the fault code and follow the troubleshooting guide in the manual to identify and resolve the issue.
Frequently Asked Questions (FAQs)
How to Choose the Control Mode of the OMRON 3G3RX2-A2004 frequency drive converter?
Application-Based Selection: This variable frequency converter offers multiple control modes. For applications requiring high-precision speed or torque control, vector control mode is recommended. For general constant-speed control, V/F control mode is suitable.
Control Mode Features: Vector control mode provides high-precision speed and torque control, ideal for high-precision applications. V/F control mode is simple and easy to use for general constant-speed control.
Parameter Settings: After selecting the control mode, configure the parameters according to the specific application needs. For example, in vector control mode, set the motor's nameplate parameters, including power, rated voltage, and rated current, to ensure optimal matching between the inverter and the motor.
How to Set the Frequency Setting Channel of this Omron variable frequency converter?
Frequency Setting Methods: The VFD converter supports various frequency setting methods, including panel setting, external analog signal setting, and digital signal setting. Choose the appropriate method based on the application.
Signal Source Requirements: Ensure the stability and accuracy of the signal source. For external analog signal frequency setting, ensure signal stability and interference resistance. For digital signal setting, ensure the signal's logic level meets the inverter's requirements.
Parameter Configuration: Configure the parameters according to the selected frequency setting method. For example, for external analog signal setting, set the input range of the signal and the corresponding frequency range. For digital signal setting, configure the digital input terminal functions and frequency setting values.
How to Perform Motor Self-Tuning with this product?
Importance of Motor Self-Tuning: Motor self-tuning is a crucial step to ensure the matching between the frequency inverter and the motor, enhancing control precision and system stability. Through self-tuning, the inverter can automatically identify motor parameters for more precise control.
Precautions During Self-Tuning: Before self-tuning, ensure the motor and inverter are correctly connected and the inverter is ready. The motor must be stationary to avoid damage during the process. Follow the operation manual to correctly set the self-tuning parameters.
Post-Tuning Effects: After self-tuning, the frequency inverter will automatically adjust control parameters based on the actual motor parameters to achieve optimal performance. This improves system response speed and control precision, meeting high-precision control requirements.
How to Configure the Communication Interface of the OMRON VFD converter?
Communication Interface Type: This Omron RX2 series product comes with a standard RS485 interface, supporting the Modbus protocol, enabling easy communication with PLCs, HMIs, and other devices.
Communication Line Connection: Ensure correct connection of the communication lines. Use shielded cables with proper grounding of the shielding layer to reduce electromagnetic interference. Ensure the communication line length meets protocol requirements to avoid signal attenuation.
Communication Parameter Settings: Set the communication address, baud rate, data bits, stop bits, etc., according to the protocol requirements. Ensure consistency with the upper-level device's communication parameters for a reliable connection. Refer to the inverter's manual for detailed parameter settings.
What is the Cooling Method of this Frequency Inverter?
Cooling Method: This Omron inverter uses forced air cooling with an internal cooling fan. This method effectively reduces the inverter's temperature, ensuring stable operation in high-temperature environments.
Installation Requirements: Ensure sufficient space around the inverter for airflow. Avoid installing it in enclosed or poorly ventilated areas. Ensure the fan's intake and exhaust ports are unobstructed for good air circulation.
Maintenance: Regularly clean the fan and heat sink to prevent overheating due to poor cooling. Check the fan's operation and replace it if damaged to avoid failures caused by inadequate cooling.
How to Avoid Electromagnetic Interference with this inverter?
Built-in Filter: The OMRON 3G3RX2-A2004 inverter has an integrated EMC filter, complying with electromagnetic compatibility standards to effectively suppress electromagnetic interference. No additional filters are needed for general industrial environments.
Wiring Precautions: Avoid placing signal lines close to power lines to reduce electromagnetic interference. Use shielded cables for signal connections with proper grounding of the shielding layer. For power lines, armored cables or conduit installation is recommended to enhance interference resistance.
Grounding Measures: Proper grounding is essential to reduce electromagnetic interference. Ensure the device is grounded according to national and local electrical safety standards, with a grounding resistance less than 4Ω for reliable grounding.
What Protection Functions Does this Omron RX2 Series Inverter Offer?
Overload Protection: When the motor load exceeds the rated value, the inverter automatically reduces frequency or stops to protect the motor and inverter. This prevents motor damage from overload, extending the device's lifespan.
Overheat Protection: The inverter has an internal temperature sensor that automatically shuts down when the temperature exceeds the set value, preventing damage from overheating and ensuring safe operation.
Overvoltage and Undervoltage Protection: The inverter automatically stops when the power voltage is too high or too low, protecting the device. This Omron RX2 series product also features short-circuit and phase-loss protection to ensure system safety. These functions prevent device damage from power anomalies, enhancing system reliability.
How to Perform Regular Maintenance on the OMRON 3G3RX2-A2004 Inverter?
Appearance Inspection: Regularly check the inverter's appearance for damage or abnormalities, such as cracks in the housing or loose screws. Timely detection and handling of these issues can prevent failures.
Cooling System Maintenance: Clean the fan and heat sink to ensure proper cooling system operation. Check the fan's operation and replace it if necessary. Regular maintenance of the cooling system prevents overheating due to poor cooling.
Electrical Connection Check: Ensure secure connections of power and signal lines and check the motor's operating condition. Regular inspection of electrical connections prevents failures caused by poor contact.
What Precautions Should Be Taken When Installing the Inverter?
Installation Location: Choose an environment with good ventilation, free from dust and corrosive gases. Avoid installing the inverter in high-temperature, high-humidity, or areas with strong electromagnetic interference. A good installation environment extends the device's lifespan and improves reliability.
Installation Method: Ensure vertical installation for proper cooling. Use appropriate fixing methods to avoid vibration effects. Ensure the installation location is convenient for operation and maintenance.
Power Connection: Ensure the power cable specifications meet requirements and pay attention to the correct phase sequence. Ensure proper grounding according to national and local electrical safety standards. Correct power connection prevents device damage from power anomalies.
What is the Frequency Range of the Inverter?
Frequency Range: The OMRON 3G3RX2-A2004 inverter has an output frequency range of 0-400Hz. Users can set the motor's operating frequency within this range according to application needs.
Application Scenarios: The wide frequency range allows the inverter to meet various application needs. For example, in fan and pump applications, frequency adjustment enables energy savings; in conveyor belt drives, frequency adjustment controls the conveyor speed.
Precautions: When setting the frequency, pay attention to the motor's rated frequency and speed to avoid motor damage from excessive or insufficient frequency settings. Adjust the frequency range reasonably based on the actual load to ensure safe device 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.