Estun EM3A-04ATA221 Servo Motor
The Estun EM3A-04ATA221 servo motor is engineered for high-speed, dynamic applications demanding exceptional precision and rigidity. This compact yet powerful 400W synchronous AC servo motor offers a peak torque of 3.81 Nm and a maximum speed of 6000 rpm, making it an ideal choice for demanding automation tasks. Its low inertia design ensures rapid response times, crucial for beat-to-beat operations. The EM3A-04ATA221 features a 17-bit absolute magnetic encoder for precise feedback, an IP65 protection grade for robust environmental resistance, and an optional 24VDC holding brake for enhanced safety and control.
Product Specifications
| Parameter | Value |
| :--------------------- | :--------------------------------------------- |
| Model | EM3A-04ATA221 |
| Type | Synchronous AC Servo Motor |
| Output Power | 400 W |
| Rated Speed | 3000 rpm |
| Maximum Speed | 6000 rpm |
| Rated Torque | 1.27 Nm |
| Maximum Torque | 3.81 Nm |
| Rated Current | 2.9 A |
| Maximum Current | 9.2 A |
| Motor Inertia (no brake) | 0.244 kg*cm² |
| Motor Inertia (w/ brake) | 0.276 kg*cm² |
| Allowable Radial Load | 245 N |
| Allowable Axial Load | 74 N |
| Optional Brake Voltage | 24 VDC |
| Weight (no brake) | 1.3 kg |
| Weight (w/ brake) | 1.7 kg |
| Flange | 60 mm |
| Encoder Type | 17-bit Absolute Magnetic |
| Protection Grade | IP65 |
Core Features & Market Positioning
The Estun EM3A-04ATA221 servo motor distinguishes itself through its exceptional combination of low inertia and high speed, enabling extremely fast response times essential for high-dynamic performance applications. Its design prioritizes high mechanical rigidity, making it suitable for direct-connected screw applications where precision and stability are paramount. Positioned as a high-performance solution, the EM3A series, including the EM3A-04ATA221, offers a perfect synergy with Estun's ED3L series servo drives, creating a versatile and powerful motion control system. This pairing ensures unparalleled dynamic response and precision positioning, catering to industries that require sophisticated automation. Furthermore, its compact size belies its high torque performance, a key differentiator in space-constrained industrial environments.
Key Application Scenarios
The Estun EM3A-04ATA221 servo motor excels in applications demanding rapid acceleration and deceleration, precise positioning, and high operational speeds. Its suitability extends to robotics, where swift and accurate movements are critical for assembly and manipulation tasks. In semiconductor manufacturing equipment, the motor's precision and reliability are vital for intricate processes. It is also a strong candidate for crystal solidification machines, packaging machinery, and various 3C (Computer, Communication, Consumer electronics) equipment, where high-volume production necessitates efficient and dependable motion control. The motor's robust design and high overload capability further enhance its applicability in challenging industrial settings.
Practical System Integration Guidance
Integrating the Estun EM3A-04ATA221 servo motor into an automated system typically involves pairing it with a compatible Estun servo drive, such as the ED3L series. The wiring configuration should follow the manufacturer's guidelines, ensuring proper connections for power, feedback (encoder), and any optional components like a holding brake. For the EM3A-04ATA221 model, the feedback system is a 17-bit absolute magnetic encoder, requiring specific interface connections to the servo drive. While specific programming examples are drive-dependent, the integration process generally involves configuring drive parameters to match the motor's specifications (e.g., rated current, maximum speed, inertia) to achieve optimal performance. Users should consult the respective servo drive’s manual for detailed setup procedures, including motor tuning and axis configuration, to ensure accurate and stable operation.
Operation and Risk Mitigation
Proper operation of the Estun EM3A-04ATA221 servo motor is crucial for safety and longevity. Always ensure the motor is correctly wired and securely mounted before power-up. The optional 24VDC holding brake provides an added layer of safety, preventing unwanted movement when the motor is de-energized or during emergency stops. While specific fault codes are typically generated by the servo drive, common operational issues can relate to incorrect parameter settings, loose connections, or environmental factors exceeding the IP65 rating. Adhering to the specified operating temperature range and avoiding excessive shock or vibration will mitigate potential risks. Regular inspection of connections and the motor's housing can help prevent premature failures.
Scalability & Long-Term Value
The Estun EM3A-04ATA221 servo motor is part of a broader ecosystem of motion control solutions from Estun, facilitating scalability within automated systems. Its compatibility with Estun servo drives, like the ED3L series, allows for seamless integration and potential upgrades to more advanced drive configurations or multi-axis systems. Estun's focus on developing solutions for industries such as electronics, semiconductor manufacturing, and robotics indicates a commitment to supporting advanced automation and digital transformation initiatives, including potential integration with IIoT platforms for enhanced monitoring and control. This foresight in product development ensures that the EM3A series motors can remain relevant and contribute to the long-term value of manufacturing operations seeking to enhance efficiency and competitiveness.
Frequently Asked Questions (FAQs)
1. What are the primary advantages of the Estun EM3A-04ATA221 servo motor?
The EM3A-04ATA221 offers exceptional high-speed capabilities. Its low inertia ensures rapid response times for dynamic applications. It also provides high torque density for its compact size.
This servo motor is designed for high mechanical rigidity. This is beneficial for applications using direct-connected screws. Its robust construction ensures reliable operation in demanding industrial settings.
The motor features an IP65 protection grade. This provides resistance against dust and water ingress. It also has an optional 24VDC holding brake for enhanced safety and control.
2. What is the maximum speed and torque of the Estun EM3A-04ATA221?
This servo motor can achieve a maximum speed of 6000 RPM. Its rated speed is 3000 RPM. This allows for very fast operational cycles.
The EM3A-04ATA221 delivers a rated torque of 1.27 Nm. It can reach a maximum torque of 3.81 Nm. This high torque output is key for overcoming inertia.
These performance metrics make it suitable for high-dynamic applications. It excels in tasks requiring quick acceleration and deceleration. It ensures precise control even under load.
3. What type of encoder does the Estun EM3A-04ATA221 use?
The EM3A-04ATA221 is equipped with a 17-bit absolute magnetic encoder. This provides very high resolution feedback. It ensures precise position detection without homing.
This 17-bit resolution offers over 131,072 pulses per revolution. This level of precision is critical for intricate automation tasks. It eliminates cumulative positioning errors.
Absolute encoders do not lose their position information when power is lost. This simplifies startup procedures and enhances system reliability. It's ideal for applications requiring immediate operational readiness.
4. What are the key application areas for the Estun EM3A-04ATA221?
This motor is ideal for robotics and automation. It is used in semiconductor manufacturing equipment. It's also suited for crystal solidification machines.
Packaging machinery benefits from its high speed and precision. Various 3C industry equipment also utilize this motor. Its dynamic performance is crucial for these sectors.
Its high mechanical rigidity is important for direct-connected screws. This ensures stable and accurate movements in precision machinery. It supports demanding, high-cycle production environments.
5. Can I use a holding brake with the Estun EM3A-04ATA221?
Yes, an optional 24VDC holding brake is available. This brake provides a secure hold when the motor is powered off. It enhances safety during maintenance or power outages.
The holding brake adds an extra layer of control. It prevents unintended movement of the machinery. This is especially important in vertical axis applications.
The brake's inclusion increases the motor's weight. It also slightly impacts motor inertia. Ensure your drive system can accommodate the brake's power requirements.
6. What are the environmental specifications, like IP rating, for this motor?
The Estun EM3A-04ATA221 features an IP65 protection grade. This means it is dust-tight. It also protects against low-pressure water jets from any direction.
This IP rating makes the motor suitable for challenging environments. It can withstand dusty factory floors or washdown conditions. It enhances durability and operational lifespan.
Always ensure that all cable glands and connectors are properly sealed. This maintains the integrity of the IP65 rating. Avoid prolonged immersion in water.
7. What servo drives are compatible with the Estun EM3A-04ATA221?
The EM3A-04ATA221 is designed to work seamlessly with Estun's ED3L series servo drives. This combination offers optimized performance. It ensures precise motion control capabilities.
The ED3L series drives offer a range of power options. They are versatile and powerful, supporting various automation tasks. Consult the ED3L series documentation for specific model compatibility.
Proper drive selection is crucial for optimal motor performance. Ensure the drive's voltage, current, and control capabilities match the motor's requirements. This guarantees safe and efficient operation.
8. What is the power output and weight of the Estun EM3A-04ATA221?
The Estun EM3A-04ATA221 has an output power rating of 400 Watts. This power level is suitable for many automation tasks. It balances performance with energy efficiency.
Without the optional brake, the motor weighs 1.3 kg. With the holding brake installed, the weight increases to 1.7 kg. This relatively low weight is advantageous for applications with moving masses.
The compact size and power density are key features. They allow for integration into space-constrained systems. This makes it a versatile choice for various machine designs.
9. How does the low inertia design benefit the EM3A-04ATA221?
Low inertia allows the motor to accelerate and decelerate very quickly. This rapid response is critical for high-speed, dynamic applications. It enables precise motion control and high throughput.
This characteristic is especially beneficial in pick-and-place operations. It also improves performance in applications requiring rapid positional changes. This reduces cycle times and increases productivity.
The reduced inertia also contributes to smoother operation. It can minimize vibrations during rapid movements. This leads to increased accuracy and reduced wear on mechanical components.
10. Where can I find technical documentation or datasheets for the Estun EM3A-04ATA221?
Detailed technical specifications and datasheets are typically available from Estun's official website. You can also find this information through authorized Estun distributors.
Look for sections related to servo motors or motion control products. The specific model number, EM3A-04ATA221, will help you locate the correct documentation. This will include dimensions, electrical data, and performance curves.
Always ensure you are downloading the most current version of the documentation. This guarantees that you have the latest technical details and safety information. This is crucial for proper system integration and operation.
