8LSC56.ee022ff00-4 | B&R 30.2 Nm Servo Motor

Introduction to the B&R 8LSC56.ee022ff00-4 Servo Motor

For maintenance engineers seeking a reliable and high-performance drive solution, the 8LSC56.ee022ff00-4 from B&R stands out. This three-phase synchronous servo motor is externally fan-cooled and designed for applications that demand excellent dynamic characteristics, positioning precision, and compact size. Its permanent-magnet, electronically commutated design ensures efficient operation, while a large overload capacity and optimized torque rippling contribute to smooth, precise control.

With a nominal torque of 30.2 Nm and a nominal power of 6948 W, this motor delivers robust performance in a compact footprint. The 8LSC56.ee022ff00-4 is part of B&R's 8LSC series, known for reliability and advanced motion control capabilities.

Key Features and Technical Specifications

The 8LSC56.ee022ff00-4 is engineered for demanding industrial environments. Its specifications highlight its capability and versatility:

• Nominal speed: 2200 rpm
• Number of pole pairs: 5
• Nominal torque: 30.2 Nm
• Nominal power: 6948 W
• Nominal current: 13.6 A
• Stall torque: 32.5 Nm
• Stall current: 14.7 A
• Maximum torque: 75.0 Nm
• Maximum current: 47.5 A
• Maximum speed: 5000 rpm
• Torque constant (KT): 2.22 Nm/A
• Voltage constant (KE): 134.04 V/1000 rpm
• Stator resistance (R2ph): 0.743 Ω
• Stator inductance (L2ph): 10.3 mH
• Electrical time constant: 13.8 ms
• Thermal time constant: 43 min
• Moment of inertia: 17.9 kg·cm²
• Mass (without brake): 16.50 kg
• Holding torque of brake: 27 Nm
• Brake mass: 3.50 kg
• Moment of inertia of brake: 9.5 kg·cm²
• Cable cross-section: 1.5 mm²
• Recommended servo drive (ACOPOS): 024X

These parameters show a motor built for high torque density and precise control, making it suitable for a wide range of motion control applications.

Applications and Use Cases

The 8LSC56.ee022ff00-4 excels in applications requiring high dynamic response and accurate positioning. Typical use cases include packaging machinery, material handling, and robotic systems. Its compact design and reduced weight make it ideal for installations where space is limited. Furthermore, the motor's large overload capacity ensures it can handle peak loads without compromising performance, which is critical in cyclic operations. Consequently, this motor helps reduce cycle times and improve overall productivity.

Installation and Setup

Proper installation is essential for optimal performance. The 8LSC56.ee022ff00-4 features a flange mounting per DIN 42948 Form A and a shaft end per DIN 748 Form E, ensuring compatibility with standard mechanical interfaces. The motor is available with a single-cable (hybrid) solution option, simplifying wiring and reducing installation time. For setup, always follow the B&R manual and use the recommended ACOPOS servo drive (024X) to ensure correct commutation and protection. Ensure adequate cooling airflow around the externally fan-cooled motor, and verify that the ambient temperature stays within the specified operating range of -15 to +40 °C (max +55 °C).

Maintenance and Reliability

From a maintenance perspective, the 8LSC56.ee022ff00-4 is designed for reliability and ease of service. The motor features thermal protection via KTY83-110 / AM-PTC1000 sensors and a maximum winding temperature of 155 °C, helping to prevent overheating. The externally fan-cooled design (IC4A0A6) ensures consistent cooling, extending the motor's lifespan. Regular inspection of the fan and cooling paths is recommended to maintain thermal performance. Additionally, the motor's IP64 protection rating (per EN 60034-5) guards against dust and water ingress, reducing the risk of contamination-related failures. By following a routine maintenance schedule, you can maximize uptime and minimize costly downtime.

Compatibility and Integration

The 8LSC56.ee022ff00-4 is designed to work seamlessly with B&R's ACOPOS servo drives, specifically the 024X model. This integration ensures optimal performance and simplifies commissioning. The motor supports various feedback options, including resolver and EnDat (inductive/optical) encoders, with safety-related variants available for functional safety applications. For enhanced safety, the motor can be paired with an ACOPOS drive that implements Safe Torque Off (STO), providing a reliable safety solution. This compatibility makes the motor a flexible choice for both new installations and retrofits.

Troubleshooting and Common Issues

While the 8LSC56.ee022ff00-4 is robust, proper troubleshooting can prevent downtime. Common issues include overheating due to blocked cooling, which can be avoided by keeping the fan and cooling fins clean. If the motor fails to start, check the feedback encoder connection and ensure the drive is correctly configured. For any encoder or winding issues, refer to the B&R manual for diagnostic procedures. Always verify that the motor is operating within its specified electrical and thermal limits to prevent damage.

FAQ about the 8LSC56.ee022ff00-4

Q: What is the nominal torque of the 8LSC56.ee022ff00-4?

A: The nominal torque is 30.2 Nm, with a stall torque of 32.5 Nm.

Q: What is the maximum speed of this motor?

A: The maximum speed is 5000 rpm.

Q: What type of feedback does the 8LSC56.ee022ff00-4 support?

A: It supports resolver and EnDat (inductive/optical) encoders, including safety-related variants.

Q: What is the recommended servo drive for this motor?

A: The recommended ACOPOS servo drive is the 024X model.

Q: What is the protection rating of this motor?

A: The motor has an IP64 rating per EN 60034-5, with the fan rated IP20.

Product Support and Availability

The B&R 8LSC56.ee022ff00-4 is available through Petro Auto Tech. As a trusted supplier of industrial automation parts, Petro Auto Tech ensures genuine products and reliable service. Contact Petro Auto Tech for current availability and lifecycle status before ordering.