Siemens 1FL6044-2AF21-1LA1 V90 High Dynamic Medium Power Low Inertia Motor

The Siemens 1FL6044-2AF21-1LA1 V90 High Dynamic Medium Power Low Inertia Motor represents a significant advancement in servo drive technology, engineered for demanding automation tasks. This motor excels in applications requiring rapid acceleration and precise positioning due to its low inertia design and high dynamic performance. Key advantages include its robust construction, energy efficiency, and seamless integration within the Siemens Totally Integrated Automation (TIA) portal. Technically, the 1FL6044-2AF21-1LA1 boasts a rated power of 1.5 kW, operates at 400V, and features an encoder for high-resolution feedback, ensuring optimal control accuracy. Its compact footprint and advanced thermal management further enhance its suitability for space-constrained environments and continuous operation.

Siemens 1FL6044-2AF21-1LA1 V90: Technical Specifications

| Parameter              | Value                                |

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

| Motor Type             | Synchronous Servo Motor              |

| Series                 | SIMOTICS V90                         |

| Part Number            | 1FL6044-2AF21-1LA1                   |

| Rated Power            | 1.5 kW                               |

| Rated Voltage          | 400 V                                |

| Rated Speed            | 3000 rpm                             |

| Rated Torque           | 4.78 Nm                              |

| Peak Torque            | 14.3 Nm                              |

| Inertia (Low)          | Standard                            |

| Protection Class       | IP65                                 |

| Insulation Class       | F                                    |

| Encoder Type           | Incremental Encoder (2500 P/U)       |

| Connection Type        | Circular Connector (M23)             |

| Shaft End              | With keyway                          |

| Brake                  | Integrated Holding Brake (20 Nm)     |

| Flange Size            | 80 mm                                |

| Frame Size             | 44 mm                                |

Core Features & Market Positioning

The Siemens 1FL6044-2AF21-1LA1 V90 motor distinguishes itself through its high dynamic response and low inertia, making it ideal for high-speed pick-and-place operations, automated assembly lines, and precision machining. Its advanced thermal management ensures sustained performance under heavy loads, a critical factor in continuous industrial processes. Positioned as a premium solution, it offers superior accuracy and reliability compared to standard induction motors, directly competing with other high-performance servo drive systems. The integration with the Siemens SINAMICS V90 drive system further enhances its value proposition, providing a complete, optimized motion control solution.

Key Application Scenarios

This motor is extensively utilized in high-performance machine tools, where rapid tool changes and precise contouring are paramount. It's a staple in packaging machinery, facilitating high-speed filling, sealing, and labeling operations with exceptional accuracy. Furthermore, the 1FL6044-2AF21-1LA1 V90 is well-suited for robotics and automated handling systems, enabling swift and precise movements for complex manipulation tasks. Its versatility also extends to textile machinery and printing equipment, where dynamic speed control and accurate positioning are crucial for product quality and throughput.

Practical System Integration Guidance

Integrating the Siemens 1FL6044-2AF21-1LA1 V90 motor into a control system is streamlined via its compatibility with the SINAMICS V90 servo drive. Proper motor-drive pairing is essential; consult the SINAMICS V90 documentation for specific configuration parameters based on the motor's characteristics, such as rated voltage and current. Wiring connections should strictly follow the specifications for the M23 circular connector, ensuring correct pin assignment for power, encoder feedback, and brake control. For commissioning, utilize the TIA Portal software to perform motor identification, parameterization, and tuning for optimal dynamic performance and stability.

Operation and Risk Mitigation

Safe operation of the Siemens 1FL6044-2AF21-1LA1 V90 motor hinges on adhering to its operational limits and employing appropriate safety measures. Always ensure the motor is properly grounded to prevent electrical hazards. The integrated holding brake should be utilized only when the motor is at a standstill or during controlled deceleration to avoid excessive wear or damage. Common troubleshooting involves checking encoder signal integrity and drive-to-motor cable connections for any faults. Refer to the SINAMICS V90 drive's diagnostic codes for specific error identification, such as overcurrent or over-temperature warnings, which often indicate mechanical binding or inadequate cooling.

Scalability & Long-Term Value

The Siemens 1FL6044-2AF21-1LA1 V90 motor offers excellent scalability within the Siemens ecosystem. It seamlessly integrates with a range of SINAMICS V90 drives, allowing for system expansion by adding more controlled axes or upgrading to higher-performance drives as application demands evolve. Its compatibility with the TIA Portal facilitates future software updates and integration with advanced automation functions, including digital twin capabilities and IIoT connectivity through SINAMICS Connect Nxt. This ensures long-term value by protecting investment and enabling continuous improvement of automated processes.

Frequently Asked Questions (FAQs)

What is the primary advantage of the Siemens 1FL6044-2AF21-1LA1 V90 motor?

Its primary advantage is its high dynamic response and low inertia, enabling rapid acceleration and precise movements critical for advanced automation.

This design allows for significantly faster cycle times in applications like pick-and-place or intricate assembly processes. The motor excels in applications demanding quick, accurate adjustments and high throughput.

Its robust construction and efficient operation also contribute to long-term reliability and reduced energy consumption in demanding industrial environments.

How does the encoder on the 1FL6044-2AF21-1LA1 motor ensure precision?

The integrated 2500 P/U incremental encoder provides high-resolution feedback on the motor's position and speed.

This detailed feedback loop allows the SINAMICS V90 drive to make extremely fine adjustments to motor control, minimizing positional errors.

High-resolution feedback is crucial for applications requiring tight tolerances, smooth motion profiles, and repeatable accuracy, such as in CNC machining or robotic articulation.

What are common applications for the Siemens V90 low inertia motors?

These motors are frequently used in high-speed packaging and labeling machines where rapid, accurate positioning is essential.

They are also integral to automated assembly lines, robotics, and CNC machines that require fast accelerations and decelerations for efficient operation.

Other applications include printing equipment, textile machinery, and material handling systems that benefit from precise, dynamic motion control.

Can the Siemens 1FL6044-2AF21-1LA1 motor be used with drives other than SINAMICS V90?

While designed and optimized for the SINAMICS V90 servo drive, its compatibility with other drives depends on their ability to support the motor's specifications and communication protocols.

Using it with non-Siemens drives may require significant custom configuration and may not achieve the same level of performance or integration benefits.

For guaranteed performance, reliability, and full feature set utilization, pairing with the SINAMICS V90 drive is strongly recommended by Siemens.

What is the IP rating of the 1FL6044-2AF21-1LA1 motor and what does it signify?

The motor has an IP65 rating, indicating robust protection against dust and low-pressure water jets from any direction.

This ingress protection makes the motor suitable for installation in harsh industrial environments where dust contamination or occasional water spray may occur.

The IP65 rating ensures reliable operation and longevity even when subjected to challenging ambient conditions often found in manufacturing plants.

What is the function of the integrated holding brake in the 1FL6044-2AF21-1LA1 motor?

The integrated holding brake is designed to maintain the motor's position when power is removed or during emergency stops.

It provides a reliable mechanical lock, preventing unwanted movement of the load, which is crucial for safety and maintaining workpiece position.

The brake engages automatically when the drive is de-energized, offering a passive safety feature that prevents loads from dropping or shifting.

How do I connect the Siemens 1FL6044-2AF21-1LA1 motor to its drive?

Connections are made using the M23 circular connector for power and encoder signals, and specific cables for brake control.

Always refer to the SINAMICS V90 drive manual and the motor's documentation for correct pin assignments and wiring diagrams.

Ensure all connections are secure and properly insulated to prevent electrical faults and ensure reliable communication between the motor and drive.

What are the torque specifications for this motor?

The Siemens 1FL6044-2AF21-1LA1 motor offers a rated torque of 4.78 Nm and a peak torque capability of 14.3 Nm.

The rated torque is sustainable during continuous operation at its specified rated speed and load conditions.

The higher peak torque allows the motor to handle transient load demands and achieve rapid accelerations efficiently.

How does the low inertia characteristic benefit applications?

Low inertia means the motor can change speed or direction very quickly with less effort from the drive system.

This rapid response is essential for high-speed, dynamic tasks where frequent and precise motion changes are required, improving overall process efficiency.

Applications like robotics, automated sorting, and high-speed material handling directly benefit from this reduced rotational mass.

Is the Siemens 1FL6044-2AF21-1LA1 motor suitable for general automation or specialized tasks?

This motor is engineered for specialized, high-performance automation tasks requiring dynamic control and precision.

Its low inertia and high dynamic capabilities make it ideal for applications such as precise positioning, rapid traversal, and synchronized motion.

While it can be used in broader automation contexts, its unique features are most effectively leveraged in demanding applications where standard motors would be insufficient.