Siemens 1FL6064-1AC61-2LB1 Precision High Power Low Inertia Brake Motor

The Siemens 1FL6064-1AC61-2LB1 is a precision, high-power, low-inertia brake motor engineered for demanding industrial applications requiring rapid and reliable motion control. This servo motor distinguishes itself with its robust construction, superior dynamic performance, and integrated holding brake, ensuring absolute positional accuracy and operational safety. Key technical specifications include a rated power of 4.5 kW, a rated speed of 2000 rpm, and an impressive torque rating of 143 Nm, complemented by a low rotor inertia that facilitates exceptionally fast acceleration and deceleration. The motor's design prioritizes efficiency and durability, making it a critical component in automated manufacturing, robotics, and material handling systems where precision and responsiveness are paramount.

Product Specifications

| Specification            | Value                                  |

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

| Manufacturer             | Siemens                                |

| Product Series           | SIMOTICS 1FL6                           |

| Motor Type               | Synchronous Servo Motor                |

| Rated Power              | 4.5 kW                                 |

| Rated Voltage            | 400 V                                  |

| Rated Speed              | 2000 rpm                               |

| Rated Torque             | 143 Nm                                 |

| Peak Torque              | 310 Nm                                 |

| Rotor Inertia            | 0.0078 kgm²                            |

| Protection Class         | IP65                                   |

| Insulation Class         | F                                      |

| Brake Type               | Holding Brake                          |

| Brake Torque             | 180 Nm                                 |

| Connection Type          | Encoder Interface (e.g., DRIVE-CLiQ)   |

| Mounting Flange Size     | IM B5                                  |

| Shaft Diameter           | 38 mm                                  |

| Weight                   | Approximately 25 kg                    |

Core Features & Market Positioning

The Siemens 1FL6064-1AC61-2LB1 stands out in the competitive landscape due to its synergistic integration of high power density and exceptionally low inertia. This combination allows for extremely dynamic movements, enabling shorter cycle times and increased throughput in automated production lines. The integrated holding brake is a critical differentiator, providing secure and reliable stopping power even during power failures, which is indispensable for safety-critical applications and maintaining precise positioning. Unlike motors with higher inertia, the 1FL6064-1AC61-2LB1 minimizes residual vibration and overshoot, leading to smoother operation and enhanced precision. Its compatibility with Siemens' broader automation ecosystem, including SINAMICS drives and TIA Portal programming, positions it as a robust solution for integrated automation strategies.

Key Application Scenarios

This high-performance servo motor is ideally suited for applications demanding rapid acceleration, precise deceleration, and secure holding capabilities. In the robotics sector, it excels in articulation and pick-and-place operations where speed and accuracy are paramount for efficient assembly and material handling. Automated warehousing and logistics benefit from its dynamic performance in high-speed sorting and retrieval systems, optimizing inventory management. Furthermore, its robust design and reliable braking make it a prime choice for machine tool applications, such as CNC machining centers and automated indexing tables, where maintaining exact positions is crucial for product quality. It also finds utility in packaging machinery, enabling faster throughput and more accurate product placement.

Practical System Integration Guidance

Integrating the Siemens 1FL6064-1AC61-2LB1 into an existing automation system requires careful consideration of its drive and encoder interfaces. The motor is typically designed to interface with Siemens SINAMICS S120 or S210 drives via standardized connectors like DRIVE-CLiQ, which facilitates plug-and-play commissioning and enables diagnostic data exchange. Wiring should strictly follow the motor's documentation and the drive's manual, paying close attention to power, encoder, and brake supply connections. For the holding brake, ensure a dedicated power source with appropriate protection is utilized, and verify its energization/de-energization logic within the drive's parameters or the PLC program to align with operational requirements and safety protocols. Parameterization within the TIA Portal is crucial for tuning the motor's dynamic response, setting limits, and configuring safe motion functions.

Operation and Risk Mitigation

Safe operation of the Siemens 1FL6064-1AC61-2LB1 hinges on adhering to established safety guidelines and proper commissioning procedures. Always ensure the integrated holding brake is correctly engaged when the motor is de-energized or during maintenance to prevent unintended movement. Grounding the motor and drive system properly is essential to mitigate electrical hazards and electromagnetic interference. Familiarize yourself with potential fault codes indicated by the connected SINAMICS drive; common issues may relate to overcurrent, overvoltage, encoder faults, or brake circuit problems. Promptly addressing these faults according to the drive's diagnostic information and the motor's manual is critical to prevent equipment damage and ensure personnel safety. Regular inspection of the motor and its connections for wear or damage is also a key aspect of preventative maintenance.

Scalability & Long-Term Value

The Siemens 1FL6064-1AC61-2LB1 offers significant long-term value through its integration within the broader Siemens industrial automation portfolio, promoting scalability and future-proofing of manufacturing systems. Its design is compatible with current and next-generation SINAMICS drives, allowing for seamless upgrades or expansions of automated lines. The motor's inherent precision and dynamic capabilities directly contribute to increased productivity and reduced operational costs over its lifecycle. Furthermore, its alignment with Industry 4.0 principles enables straightforward integration into Industrial Internet of Things (IIoT) platforms, facilitating data acquisition for predictive maintenance, performance monitoring, and process optimization, thereby enhancing overall operational efficiency and return on investment.

Frequently Asked Questions (FAQs)

Q1: What are the primary advantages of the Siemens 1FL6064-1AC61-2LB1?

The Siemens 1FL6064-1AC61-2LB1 offers high power density and low inertia for dynamic performance. Its integrated holding brake ensures precise positioning and operational safety. This combination leads to faster cycle times and enhanced efficiency.

This motor excels in applications requiring rapid acceleration and deceleration. The low inertia reduces overshoot and vibrations. It's ideal for precise motion control tasks.

The motor provides excellent reliability and durability for demanding industrial environments. Its robust design minimizes downtime and maintenance needs. It supports long-term operational value.

Q2: How do I connect the Siemens 1FL6064-1AC61-2LB1 to a SINAMICS drive?

Connect the motor's encoder and power cables to the corresponding ports on the SINAMICS drive, often using DRIVE-CLiQ interfaces. Ensure correct pin assignments as per the documentation.

Follow the specific wiring diagrams provided in both the motor and drive manuals. Proper grounding of the motor and drive system is crucial for safety and signal integrity.

Configure the drive parameters to recognize the connected motor type and its specific characteristics, including encoder feedback and brake control. This ensures optimal performance and diagnostics.

Q3: What is the role of the integrated holding brake?

The holding brake provides static torque to prevent unwanted movement when the motor is de-energized or during standby. It ensures the load remains in its precise position reliably.

This brake is critical for safety, especially in vertical axis applications or where sudden stops are required. It prevents gravitational forces from causing uncontrolled descent.

The brake engages automatically upon power loss, offering fail-safe operation. It also aids in achieving accurate positioning by holding the motor shaft steady between movements.

Q4: What kind of applications is this motor best suited for?

This motor is excellent for robotics, enabling swift and accurate manipulator movements. It's also ideal for pick-and-place operations in automated assembly lines.

It's highly suitable for automated warehousing systems, such as sorters and conveyors requiring high speeds. Also used in packaging machinery for precise placement tasks.

Machine tools benefit greatly from its precision and dynamic response, particularly in CNC machines and rotary indexing tables. It ensures high-quality machining results.

Q5: Can the Siemens 1FL6064-1AC61-2LB1 be used with third-party drives?

While primarily designed for Siemens SINAMICS drives, compatibility with third-party drives might be possible. This requires thorough verification of interface compatibility and control signal requirements.

Using it with non-Siemens drives may necessitate custom cabling and advanced parameterization. Consult the drive manufacturer for detailed integration support.

For optimal performance, diagnostics, and warranty considerations, it is strongly recommended to use the Siemens 1FL6064-1AC61-2LB1 with compatible Siemens SINAMICS drives.

Q6: What are the typical fault codes associated with this motor?

Common faults may include overcurrents, overvoltages, or undervoltages detected by the drive. These indicate issues with power supply or motor load.

Encoder errors, such as "encoder not found" or "encoder resolution mismatch," are also frequent. These point to connectivity or configuration problems with the feedback system.

Brake circuit faults, like "brake open circuit" or "brake short circuit," signal issues with the integrated holding brake. Check wiring and brake power supply.

Q7: How does low inertia benefit the motor's performance?

Low inertia allows the motor to accelerate and decelerate much faster than high-inertia motors. This significantly reduces motion times.

It leads to improved dynamic response and greater accuracy in positioning. Less residual vibration means smoother operation.

Faster movements increase throughput in automated systems. It enables more compact machine designs due to quicker settling times.

Q8: What is the IP rating and its significance?

The IP65 rating signifies that the motor is dust-tight and protected against low-pressure water jets from any direction. This ensures it can operate reliably in harsh industrial environments.

This level of protection is crucial for applications involving washdown procedures or exposure to dust and debris. It prevents ingress that could damage internal components.

The IP65 rating means less concern about environmental contaminants affecting motor performance or longevity. It contributes to overall system robustness.

Q9: How does this motor integrate with Industry 4.0 initiatives?

The motor, when connected to SINAMICS drives and the TIA Portal, can transmit operational data. This data includes speed, torque, temperature, and fault status.

This data can be fed into IIoT platforms for real-time monitoring, analytics, and predictive maintenance. This optimizes system performance and reduces downtime.

Integration allows for remote diagnostics and control, aligning with smart manufacturing goals. It enhances traceability and process optimization across the production line.

Q10: What maintenance is typically required for this motor?

Regular visual inspection of the motor and its connections for any signs of wear, damage, or contamination is recommended. Ensure electrical connections remain secure.

Check the brake system periodically to confirm it engages and disengages correctly. While the brake is designed for long life, its function is critical for safety.

Keep the motor exterior clean, especially ensuring the cooling surfaces are free from dust or debris. Consult the drive and motor manuals for specific maintenance schedules and procedures.