Delta ECM-B3H-F21308RS1 Low Inertia Servo Motor

The Delta ECM-B3H-F21308RS1 is a low inertia servo motor engineered for high-performance motion control applications demanding rapid acceleration and precise positioning. This compact motor boasts a nominal output power of 3 kW, a rated speed of 3000 RPM, and a peak torque capability of 57.7 Nm. Its low rotor inertia is a critical advantage, enabling exceptional dynamic response and transient performance, making it ideal for intricate automation tasks. The ECM-B3H-F21308RS1 features a robust construction with a protection rating of IP65, ensuring reliable operation in demanding industrial environments. It operates with a supply voltage of 400V AC, delivering efficient power transfer for demanding tasks.

Product Specifications

| Parameter          | Value                 |

| :----------------- | :-------------------- |

| Model              | ECM-B3H-F21308RS1     |

| Nominal Power      | 3 kW                  |

| Rated Speed        | 3000 RPM              |

| Peak Torque        | 57.7 Nm               |

| Rated Torque       | 19.1 Nm               |

| Rotor Inertia      | 0.00118 kg·m²         |

| Supply Voltage     | 400V AC               |

| Protection Rating  | IP65                  |

| Brake              | Yes                   |

| Encoder Resolution | 24-bit absolute encoder |

| Insulation Class   | Class F               |

Core Features & Market Positioning

The Delta ECM-B3H-F21308RS1 distinguishes itself through its exceptionally low rotor inertia, a key differentiator for applications requiring high-speed movements and precise settling times. This characteristic directly translates to reduced mechanical stress and improved system efficiency, positioning it as a superior choice for high-precision manufacturing, robotics, and packaging machinery. The integrated 24-bit absolute encoder provides high-resolution feedback, ensuring precise position control even without homing cycles, further enhancing its value proposition in complex automation scenarios. Its robust IP65 rating underscores its suitability for harsh industrial settings, offering resilience against dust and water ingress, a crucial factor for operational longevity and reduced maintenance.

Key Application Scenarios

This low inertia servo motor excels in applications demanding rapid acceleration and deceleration profiles, such as high-speed pick-and-place operations in electronics manufacturing and intricate assembly tasks in the automotive sector. Its dynamic performance makes it a prime candidate for CNC machining centers requiring quick tool changes and precise contouring, as well as for advanced robotic arms in material handling and packaging lines where speed and accuracy are paramount. The ECM-B3H-F21308RS1 is also well-suited for high-cycle-rate automation equipment in the food and beverage industry, where consistent precision under continuous operation is critical.

Practical System Integration Guidance

Integrating the Delta ECM-B3H-F21308RS1 into an automation system typically involves connecting it to a compatible Delta servo drive, such as the ASDA-B3 series. Ensure proper power supply connections (400V AC) and encoder feedback wiring according to the drive's manual to guarantee correct operation and prevent damage. The motor's integrated brake can be wired to a dedicated output on the servo drive for holding applications when power is removed. Commissioning involves configuring motor parameters within the servo drive, including nominal/peak torque, speed limits, and tuning the PID control loops for optimal performance and stability based on the specific application's load characteristics.

Operation and Risk Mitigation

Safe operation of the Delta ECM-B3H-F21308RS1 necessitates adherence to electrical safety standards and proper grounding procedures. Always ensure the servo drive and motor are de-energized before performing any wiring or maintenance. During operation, monitor motor temperature and vibration levels to detect potential issues early. Common troubleshooting may involve checking encoder connections for signal loss or verifying motor winding integrity. Fault codes displayed on the servo drive should be cross-referenced with the drive's technical manual for detailed diagnostic information and corrective actions, particularly concerning over-current, over-voltage, or encoder error conditions.

Scalability & Long-Term Value

The Delta ECM-B3H-F21308RS1 offers excellent scalability, seamlessly integrating with Delta's broader automation ecosystem, including PLCs, HMIs, and other motion control components. This compatibility allows for the expansion of automation systems and the creation of more complex, integrated solutions. Its robust design and high-quality components contribute to its long-term value, minimizing downtime and replacement costs. Furthermore, its suitability for integration with Industrial Internet of Things (IIoT) platforms enables advanced data analytics, predictive maintenance, and remote monitoring, enhancing operational efficiency and future-proofing manufacturing processes.

Frequently Asked Questions

Q1: What is the primary advantage of the ECM-B3H-F21308RS1's low inertia?

This motor's low inertia allows for extremely rapid acceleration and deceleration. This significantly reduces settling times after rapid movements. Such performance is critical for high-speed automation tasks.

Q2: What type of encoder does the Delta ECM-B3H-F21308RS1 utilize?

It features a 24-bit absolute encoder for precise position feedback. This means position is known immediately upon power-up. It eliminates the need for homing sequences in many applications.

Q3: Can this servo motor operate in harsh industrial environments?

Yes, the motor has an IP65 protection rating. This ensures it is protected against dust ingress and low-pressure water jets. It is designed for reliability in demanding conditions.

Q4: What is the recommended servo drive for the ECM-B3H-F21308RS1?

Delta's ASDA-B3 series servo drives are recommended. They are designed to work seamlessly with this motor. Ensure proper drive selection for optimal performance.

Q5: What is the nominal power output of this motor?

The nominal power output of the ECM-B3H-F21308RS1 is 3 kW. This indicates its continuous power delivery capability. It's suitable for medium to heavy-duty applications.

Q6: How is the motor's brake typically utilized?

The integrated brake is used to hold the load when the motor is de-energized. It provides safety and prevents unwanted movement. It's crucial for vertical axis applications.

Q7: What is the rated speed of the ECM-B3H-F21308RS1?

The motor's rated speed is 3000 RPM. This specifies the speed at which it can continuously operate. It is a key parameter for application design.

Q8: What are the implications of the IP65 rating for this motor?

An IP65 rating means the motor is dust-tight and protected against water jets. This allows for operation in environments with significant dust or moisture. It enhances durability and reduces maintenance needs.

Q9: How does low rotor inertia benefit dynamic performance?

Low inertia means less mass needs to be accelerated or decelerated. This results in faster response times to control commands. It leads to higher throughput and improved accuracy.

Q10: What is the peak torque capability of this motor?

The ECM-B3H-F21308RS1 offers a peak torque of 57.7 Nm. This is the maximum torque it can deliver for short durations. It's essential for overcoming high transient loads.