SIEMENS 6SL3210-1PB21-4AL0 2.2kW/3kW SINAMICS PM240-2 with Integrated Filter A (FSC, 240V)

The SIEMENS 6SL3210-1PB21-4AL0, a 2.2kW/3kW SINAMICS G120 PM240-2 frequency converter with an integrated filter A (FSC, 240V), stands as a robust solution for variable speed drive applications. Its core advantages lie in its compact design, enhanced electromagnetic compatibility due to the integrated filter, and reliable performance across a range of industrial settings. Key technical parameters include a rated power output of 2.2kW (normal duty) / 3kW (heavy duty), an input voltage of 240V, and an integrated Class A filter, crucial for meeting stringent EMC directives. This unit is engineered for efficient motor control, offering precise speed regulation and energy savings.

Product Specifications

| Parameter                | Value                                         |

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

| Manufacturer             | Siemens                                       |

| Product Series           | SINAMICS G120 PM240-2                         |

| Article Number           | 6SL3210-1PB21-4AL0                            |

| Rated Power (Normal Duty)| 2.2 kW                                        |

| Rated Power (Heavy Duty) | 3 kW                                          |

| Input Voltage            | 240 V AC                                      |

| Integrated Filter        | Class A (FSC)                                 |

| Protection Class         | IP20                                          |

| Dimensions (H x W x D)   | 297 x 140 x 166 mm (approximate, check manual)|

| Control Type             | V/f, Vector Control                           |

Core Features & Market Positioning

The SINAMICS G120 PM240-2 series, epitomized by the 6SL3210-1PB21-4AL0, is positioned as a high-performance, compact drive solution for general-purpose industrial applications. Its integration of an EMC filter (FSC) directly into the Power Module (PM240-2) significantly simplifies cabinet layout and installation by reducing the need for external filtering components, a distinct competitive advantage. This all-in-one approach ensures compliance with electromagnetic compatibility standards right out of the box, a critical factor for OEMs and system integrators operating in sensitive environments. The unit's robust thermal management and advanced control algorithms, including both V/f and sensorless vector control, provide precise and efficient motor operation, contributing to energy savings and reduced mechanical stress on driven equipment.

Key Application Scenarios

The SIEMENS 6SL3210-1PB21-4AL0 is ideally suited for a broad spectrum of applications where precise motor speed control and energy efficiency are paramount. Common industrial uses include pumps and fans in HVAC systems, conveyor belts in material handling, extruders in plastics processing, and machine tools requiring accurate speed adjustments. Its integrated filter also makes it an excellent choice for applications in environments with strict electromagnetic interference (EMI) regulations, such as food and beverage processing, pharmaceutical manufacturing, and specialized automation. The 240V rating further expands its applicability in regions and facilities utilizing this voltage standard for machinery.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3210-1PB21-4AL0 into an industrial system involves careful consideration of power, control, and communication connections. The unit requires a suitable AC power supply within its 240V operating range, connected to the L1, L2 terminals. Motor connections are made to U, V, W. For control, digital and analog inputs/outputs are available for external control signals, such as start/stop commands and speed setpoints. The integrated Safe Torque Off (STO) function, accessed via dedicated terminals, is crucial for safety integration. Parameterization is typically performed using a Control Unit (CU) and can be facilitated via the STARTER commissioning software or directly via the unit's operator panel, if equipped. Proper grounding and shielding of motor cables are essential to maintain EMC performance.

Operation and Risk Mitigation

Safe and effective operation of the SIEMENS 6SL3210-1PB21-4AL0 necessitates adherence to safety protocols and understanding its operational parameters. Before powering on, ensure all wiring is secure and the drive is correctly grounded. The integrated Class A filter helps mitigate electromagnetic interference, but proper shielding and routing of cables remain critical. Key operational parameters to monitor include motor temperature, drive load, and voltage levels. Common fault codes, such as F0001 (overcurrent) or F0002 (overvoltage), often indicate issues with motor load, cabling, or regenerative energy. Consulting the official Siemens SINAMICS G120 documentation for specific fault code explanations and troubleshooting steps is strongly recommended to prevent damage and ensure operational continuity.

Scalability & Long-Term Value

The SIEMENS 6SL3210-1PB21-4AL0 is part of the broader SINAMICS G120 platform, offering significant scalability and long-term value. Its modular design allows for flexibility; while this specific unit includes an integrated filter, it can be paired with various Control Units (CUs) and operator panels to tailor functionality. Compatibility with Siemens' TIA Portal and other industrial automation systems facilitates integration into larger, networked environments, supporting the transition towards Industry 4.0 and IIoT. This interoperability ensures that the drive can remain a valuable component even as plant infrastructure evolves, supporting upgrade paths and enhanced diagnostic capabilities through digital connectivity.

Frequently Asked Questions (FAQs)

1. What is the main purpose of the integrated Class A filter in the SIEMENS 6SL3210-1PB21-4AL0?

The integrated Class A filter significantly reduces electromagnetic emissions from the drive. This helps the equipment comply with international EMC standards. It also simplifies installation by eliminating the need for an external filter.

2. Can the SIEMENS 6SL3210-1PB21-4AL0 be used for heavy-duty applications?

Yes, this model supports a heavy-duty rating, allowing for a higher power output of 3kW. This is suitable for applications with higher torque demands or frequent acceleration cycles. Always ensure the application specifics align with heavy-duty parameters.

3. What type of motor control does the SINAMICS PM240-2 support?

This unit supports both V/f control and sensorless vector control. Sensorless vector control offers enhanced speed and torque accuracy without requiring motor feedback. This adaptability suits a wide range of motor types and performance requirements.

4. How does the SIEMENS 6SL3210-1PB21-4AL0 facilitate energy savings?

By precisely controlling motor speed based on demand, the drive reduces energy consumption compared to fixed-speed operation. This is particularly effective in variable load applications like pumps and fans. It optimizes motor performance and minimizes energy waste.

5. What is the typical input voltage range for this frequency converter?

The SIEMENS 6SL3210-1PB21-4AL0 operates with a nominal input voltage of 240V AC. It's crucial to verify the supply voltage matches the drive's specifications before connection. Deviations outside the acceptable range can cause damage or malfunction.

6. How is parameterization and commissioning handled for the 6SL3210-1PB21-4AL0?

Parameterization can be done using a connected Control Unit (CU) and Siemens' STARTER commissioning software. Alternatively, basic configuration is possible via an operator panel. The software offers comprehensive tools for setup and diagnostics.

7. What are common fault codes associated with this SINAMICS drive?

Common fault codes include F0001 (overcurrent) and F0002 (overvoltage). Other frequent codes relate to motor overload or communication issues. Refer to the manual for a complete list and specific troubleshooting guidance.

8. Is the SIEMENS 6SL3210-1PB21-4AL0 compatible with Industry 4.0 or IIoT integration?

Yes, as part of the SINAMICS G120 family, it can be integrated into networked systems using industrial communication protocols. This enables advanced diagnostics and connectivity for IIoT applications. Its modularity supports future upgrades.

9. What safety features are incorporated into this drive?

A key safety feature is the integrated Safe Torque Off (STO) function. This allows for the safe de-energization of the motor, preventing unexpected starts. It is essential for meeting machine safety standards and protecting personnel.

10. What is the significance of the "FSC" designation in the product code?

The "FSC" designation in the SIEMENS 6SL3210-1PB21-4AL0 indicates the presence of an integrated filter. Specifically, it denotes the Class A filter type, crucial for meeting EMC requirements in many industrial and commercial applications.