SIEMENS 6SL3210-1PE21-1AL0 3kW/4kW SINAMICS PM240-2 with Integrated Filter A (400V, FSB)

The SIEMENS 6SL3210-1PE21-1AL0, a 3kW/4kW SINAMICS PM240-2 drive with an integrated filter, stands as a robust solution for demanding industrial automation tasks. This variable frequency drive (VFD) offers exceptional performance, energy efficiency, and a compact design, making it ideal for a wide range of applications. Its key advantages include precise motor control, enhanced system protection, and seamless integration into modern automation architectures. With a 400V operating voltage and an FSB frame size, this unit is engineered for reliability and ease of use in challenging environments.

Product Specifications

| Parameter           | Value                                |

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

| Manufacturer        | Siemens                              |

| Series              | SINAMICS G120 PM240-2                |

| Article Number      | 6SL3210-1PE21-1AL0                   |

| Motor Power Rating  | 3 kW (normal duty) / 4 kW (heavy duty) |

| Supply Voltage      | 400 V AC, 3-phase                    |

| Frame Size          | FSB                                  |

| Filter              | Integrated Category A Filter         |

| Protection Rating   | IP20                                 |

| Control Type        | V/f, Vector Control                  |

| Communication Options | Various (e.g., PROFINET, PROFIBUS)  |

| Ambient Temperature | -20°C to +50°C                       |

Core Features & Market Positioning

The SINAMICS G120 PM240-2 series, represented by the 6SL3210-1PE21-1AL0, is positioned as a high-performance, cost-effective VFD for general-purpose industrial applications. Its core strength lies in its advanced control algorithms, enabling precise speed and torque regulation for various motor types. The integrated Class A filter suppresses electromagnetic interference (EMI), reducing the need for external filtering and simplifying installation. This drive differentiates itself through its robust construction, enhanced protection features against electrical disturbances, and Siemens' reputation for reliability and long-term support in industrial automation. The FSB frame size offers a compact footprint, facilitating integration into tight control cabinets.

Key Application Scenarios

The SIEMENS 6SL3210-1PE21-1AL0 is exceptionally versatile, finding application in numerous industrial sectors. It excels in conveyor systems, pump and fan control, and general machinery automation where precise speed adjustment and energy savings are paramount. Manufacturing environments, such as those in food and beverage processing, automotive assembly, and material handling, benefit from its reliable performance and integrated safety features. Its ability to handle both normal and heavy-duty applications makes it suitable for diverse operational demands, from continuous running to applications with frequent load fluctuations.

Practical System Integration Guidance

Integrating the 6SL3210-1PE21-1AL0 into an existing system requires careful attention to wiring and parameterization. Ensure the power supply is correctly connected, adhering to the 400V 3-phase AC specification and local electrical codes. Motor connections should be made securely, and the ground connection is critical for safety and EMI suppression. Initial commissioning typically involves setting basic motor data, such as rated power, voltage, and frequency, via the drive's control panel or through a connected HMI/software like STARTER. The integrated filter simplifies wiring by eliminating the need for an external unit, but cable shielding and routing still play a role in minimizing interference.

Operation and Risk Mitigation

Safe operation of the SIEMENS 6SL3210-1PE21-1AL0 demands adherence to established safety protocols. Before performing any electrical work, always de-energize the drive and verify the absence of voltage. The drive features various protection functions, including overcurrent, overvoltage, undervoltage, and thermal overload protection, which are configurable to prevent damage to the motor and the drive itself. Understanding common fault codes, such as F0001 (Overcurrent) or F0002 (Overvoltage), is crucial for rapid troubleshooting. Proper ventilation and maintaining ambient temperature within specified limits are essential to prevent thermal derating or shutdown.

Scalability & Long-Term Value

The SINAMICS G120 platform, including the PM240-2 variant, offers excellent scalability and long-term value. Its modular design allows for easy expansion with communication modules, I/O extensions, or brake choppers as application requirements evolve. Compatibility with Siemens' broader automation portfolio, such as SIMATIC PLCs and HMIs, ensures seamless integration into larger industrial control systems. Furthermore, the drive supports advanced digital functionalities, enabling connectivity with Industrial Internet of Things (IIoT) platforms for predictive maintenance, remote monitoring, and process optimization, thereby securing its relevance in the evolving landscape of smart manufacturing.

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Frequently Asked Questions (FAQs)

1. What is the power rating of the SIEMENS 6SL3210-1PE21-1AL0?

This VFD supports both normal and heavy-duty motor operation. For normal duty applications, it is rated at 3 kW. For heavy-duty applications, where higher torque is required, its rating is 4 kW.

This dual rating provides flexibility, allowing users to select the appropriate mode based on their specific load requirements and motor characteristics. It ensures optimal performance and efficiency across a broader spectrum of operational demands.

The unit operates on a 400V AC, 3-phase power supply, common in industrial settings, ensuring robust power delivery for demanding tasks.

2. Does the SIEMENS 6SL3210-1PE21-1AL0 require an external filter?

No, the SIEMENS 6SL3210-1PE21-1AL0 comes with an integrated Category A filter. This feature simplifies installation and reduces cabinet space.

The integrated filter helps suppress electromagnetic interference (EMI), ensuring compliance with industrial EMC standards. This reduces the risk of signal disruption to other sensitive equipment.

By including the filter internally, Siemens lowers the overall system cost and complexity for end-users, making it a more plug-and-play solution.

3. What is the frame size of this SINAMICS PM240-2 drive?

The SIEMENS 6SL3210-1PE21-1AL0 is designed with an FSB frame size. This designation refers to its physical dimensions and mounting footprint.

The FSB frame size is optimized for integration into standard industrial control cabinets, offering a compact yet accessible design for wiring and maintenance.

This specific frame size is chosen for the 3kW/4kW power range to balance component density with effective heat dissipation, crucial for reliable operation.

4. Can this drive control different types of motors?

Yes, the SINAMICS PM240-2 drives are engineered for versatile motor control. They support both V/f (Volts per Hertz) control and advanced vector control methods.

Vector control allows for precise speed and torque regulation, even at low speeds or during rapid load changes, making it ideal for applications requiring high dynamic performance. V/f control is simpler and suitable for basic applications like pumps and fans.

This adaptability ensures that the SIEMENS 6SL3210-1PE21-1AL0 can be effectively utilized with a wide array of AC induction motors commonly found in industrial machinery.

5. What is the IP rating of the SIEMENS 6SL3210-1PE21-1AL0?

The SIEMENS 6SL3210-1PE21-1AL0 has an IP20 protection rating. This signifies that it is protected against solid objects greater than 12.5 mm.

While IP20 offers basic protection against accidental contact, it does not protect against dust ingress or water. Therefore, it must be installed in a control cabinet or enclosure.

Proper installation within a cabinet ensures the drive is shielded from harsh environmental conditions, dust, and moisture, contributing to its longevity and operational safety.

6. What are the typical fault codes associated with this drive?

Common fault codes include F0001 (Overcurrent), F0002 (Overvoltage), F0003 (Undervoltage), and F0004 (Over-temperature). These indicate specific operational issues.

Overcurrent faults often point to motor overload, short circuits, or rapid acceleration settings. Over/undervoltage can signal problems with the power supply.

Consulting the drive's manual is essential for detailed explanations of each fault code and recommended troubleshooting steps for resolution.

7. How do I connect communication modules to this drive?

Communication modules are typically plugged into a dedicated slot on the drive. The specific slot and module type depend on the desired communication protocol.

Popular options include PROFINET and PROFIBUS modules for integration into industrial Ethernet or fieldbus networks. These modules enable communication with PLCs and other control devices.

After physical installation of the module, it must be parameterized within the drive's settings to establish communication and exchange data with the control system.

8. What is the operating temperature range for the SIEMENS 6SL3210-1PE21-1AL0?

The drive is designed to operate within an ambient temperature range of -20°C to +50°C. This broad range accommodates various industrial environments.

However, operating at the upper limit of this range may necessitate derating or enhanced ventilation within the control cabinet to ensure optimal performance and lifespan.

Exceeding these temperature limits can lead to thermal shutdown or permanent damage to the drive's internal components.

9. Can this drive be used for regenerative braking?

The standard PM240-2 drive is not inherently designed for regenerative braking. For applications requiring energy feedback to the line, external braking resistors or regenerative modules are typically employed.

Braking resistors dissipate excess motor energy as heat during deceleration. Regenerative modules feed this energy back into the power supply.

The SIEMENS 6SL3210-1PE21-1AL0 can be configured to work with these external braking solutions to manage braking energy effectively.

10. What software is used for commissioning and parameterization?

Siemens' STARTER commissioning software is the primary tool for configuring and parameterizing the SINAMICS G120 series drives. It provides a user-friendly interface for setting up motor data and control parameters.

Alternatively, TIA Portal (Totally Integrated Automation Portal) can also be used for comprehensive project engineering, including drive configuration, PLC programming, and HMI design within a unified environment.

These software tools facilitate efficient setup, diagnostics, and optimization of the drive's performance, ensuring it meets specific application requirements.