Siemens 6SL3210-1KE11-8UF2 G120 Safety Frequency Converter with Basic Functions 1.7A 0.55kW

The Siemens 6SL3210-1KE11-8UF2 G120 Safety Frequency Converter is a powerful and versatile drive designed for basic motion control applications requiring precise speed and torque regulation. This unit offers integrated safety functions, a compact design, and robust performance, making it an excellent choice for a wide range of industrial automation tasks. Its core advantages lie in its reliability, energy efficiency, and the inherent safety features that protect personnel and machinery. Key technical parameters include a nominal output current of 1.7A and a power rating of 0.55kW, suitable for many standard motor applications.

Product Specifications

| Parameter                | Value                                 |

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

| Product Number           | 6SL3210-1KE11-8UF2                    |

| Series                   | SINAMICS G120                         |

| Function                 | Basic Functions                       |

| Safety Integrated        | Yes                                   |

| Nominal Output Current   | 1.7 A                                 |

| Power Rating             | 0.55 kW                               |

| Voltage                  | 380-480 V 3 AC                        |

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

| Protection Class         | IP20                                  |

| Dimensions (H x W x D)   | 201 x 140 x 175 mm                    |

| Weight                   | 2.7 kg                                |

| Communication Interfaces | PROFINET, PROFIBUS DP (optional)      |

| Braking Unit             | Integrated (optional external resistor) |

Core Features & Market Positioning

The Siemens 6SL3210-1KE11-8UF2 distinguishes itself in the market through its seamless integration of "Safety Integrated" functions, offeringSTO (Safe Torque Off) capabilities directly within the converter. This eliminates the need for external safety relays in many applications, simplifying system design and reducing costs. Its modular G120 platform allows for flexible configuration and expansion, ensuring that users only pay for the features they require. The "Basic Functions" version focuses on essential control capabilities, providing robust performance for standard motor control tasks where advanced features like complex positioning or high-speed synchronization are not paramount. This positioning makes it a cost-effective yet highly capable solution for OEMs and system integrators seeking reliable and safe motor control.

Key Application Scenarios

This Siemens safety frequency converter is ideally suited for a variety of industrial applications where basic speed control and enhanced safety are critical. Common use cases include conveyor systems, pumps, fans, mixers, and material handling equipment. Its ability to reliably control motor speed translates to significant energy savings, particularly in variable load applications. The integrated safety functions are invaluable in scenarios where quick and reliable machine shutdown is necessary to prevent injuries, such as in packaging machinery, assembly lines, and processing equipment. The 0.55kW power rating and 1.7A current output are well-matched for small to medium-sized motors driving these types of machines.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-1KE11-8UF2 into existing or new systems is streamlined due to its user-friendly design. The device is typically paired with a compatible Control Unit (CU) and Motor Module (MM) from the SINAMICS G120 family. Wiring is straightforward, with clear terminal designations for power supply, motor connections, and digital/analog I/O. For basic operation, the converter can be commissioned using its integrated keypad and local display, or more efficiently via the Siemens TIA Portal software. TIA Portal allows for parameterization, diagnostics, and the configuration of safety functions, enabling rapid setup and fine-tuning of motor performance. Ensure proper grounding and ventilation as per the manual to maintain optimal performance and longevity.

Operation and Risk Mitigation

Operating the Siemens 6SL3210-1KE11-8UF2 involves understanding its parameter settings and safety protocols. The "Safety Integrated" STO function allows for a safe stop by disabling the motor's torque without needing to cycle power, which is crucial for immediate hazard response. Proper commissioning, including setting motor data, ramp times, and overload protection, is essential to prevent damage and ensure efficient operation. Common fault codes, such as F001 (Overcurrent) or F007 (Over-temperature), indicate specific issues that can often be resolved by checking motor load, ambient conditions, or parameter settings. Always refer to the official Siemens documentation for a complete list of fault codes and troubleshooting steps.

Scalability & Long-Term Value

The SINAMICS G120 platform, to which the 6SL3210-1KE11-8UF2 belongs, offers inherent scalability and long-term value. While this specific unit is configured for "Basic Functions," it can be easily upgraded or expanded by pairing it with more advanced Control Units from the G120 series if future requirements demand higher performance or additional features like advanced positioning or communication protocols. Compatibility with Siemens' TIA Portal enables seamless integration into larger automation architectures and facilitates future upgrades or modifications. This modularity ensures that your investment is protected, as you can adapt the drive system to evolving needs without replacing the entire hardware.

Frequently Asked Questions

What is the primary function of the Siemens 6SL3210-1KE11-8UF2?

This converter provides precise motor speed and torque control for various industrial machines. It ensures efficient operation and enhances system safety.

It is designed for basic motion control applications requiring reliable performance and energy savings. The device helps optimize motor performance.

The integrated safety functions, such as STO, are a key benefit, allowing for quick and safe motor shutdown in emergencies. This simplifies safety system design.

How does the "Safety Integrated" feature work on this G120 converter?

"Safety Integrated" refers to built-in safety functions like Safe Torque Off (STO). This function prevents unexpected motor starts.

STO works by safely disabling the motor's torque output, ensuring the motor cannot generate power. It is a fundamental safety measure.

This feature can reduce the need for external safety components, leading to simpler wiring and lower installation costs. It enhances overall system safety.

What are the typical applications for a 0.55kW Siemens G120 converter?

This power rating is suitable for small to medium-sized motors in applications like pumps and fans. It is also used in conveyor belt systems.

It is commonly found in machine building for tasks such as mixing or material handling where precise speed is needed. Packaging machines also benefit.

The energy-saving capabilities make it ideal for variable speed drives, optimizing power consumption in HVAC systems and general industrial automation. It boosts efficiency.

Can the Siemens 6SL3210-1KE11-8UF2 be controlled remotely?

Yes, remote control is possible through various communication options. It supports industrial Ethernet protocols like PROFINET.

Integration with a PLC via fieldbus allows for comprehensive remote monitoring and control of the drive's parameters and status. This enables advanced automation.

Configuration and diagnostics can also be performed remotely using software tools like Siemens TIA Portal. This simplifies system management.

What kind of motor is compatible with the 6SL3210-1KE11-8UF2?

This converter is designed to work with standard three-phase AC induction motors. It supports motors up to 0.55kW.

The motor parameters, such as power, voltage, and current, need to be accurately entered into the converter's settings for optimal performance. This ensures correct operation.

Ensure the motor's nameplate specifications align with the converter's output capabilities (1.7A, 380-480V 3 AC) for safe and efficient operation. Match the ratings carefully.

How do I perform basic parameterization of the Siemens 6SL3210-1KE11-8UF2?

Basic parameterization can be done using the converter's integrated keypad and display. Navigate through the menu to set motor and application parameters.

For more advanced setup, especially for safety functions or communication, the Siemens TIA Portal software is highly recommended. It offers a user-friendly interface.

Ensure all essential parameters, including motor data, ramp times, and I/O assignments, are correctly configured before operating the drive for the first time. Correct setup is vital.

What are the benefits of using a SINAMICS G120 drive system?

The G120 system offers a modular design for flexibility and scalability. It allows for easy upgrades and expansions.

It provides robust and reliable motor control with integrated safety features. This enhances operational efficiency and safety.

The system integrates well with other Siemens automation components and supports various communication protocols for seamless networking. It offers excellent connectivity.

How can I troubleshoot common fault codes on this converter?

Consult the device's manual for a detailed list of fault codes and their meanings. Common codes relate to overcurrent or over-temperature.

Check the motor load, wiring, and ambient temperature for issues related to overcurrent (F001) or over-temperature (F007) faults. Address external factors first.

For persistent issues or complex faults, professional Siemens support or a qualified technician may be required. Seek expert assistance if needed.

Is the Siemens 6SL3210-1KE11-8UF2 suitable for high-speed applications?

This specific model is designed for "Basic Functions," which typically covers standard speed control needs. It may not be ideal for very high-speed applications.

For applications requiring precise positioning or very dynamic high-speed control, a different G120 Control Unit or a more advanced drive series might be more appropriate. Consider specific needs.

Always refer to the technical documentation for the G120 series to determine if this unit meets the specific requirements for your high-speed application. Verify specifications carefully.

What is the IP rating of the 6SL3210-1KE11-8UF2 and what does it mean?

The IP20 rating indicates protection against solid objects greater than 12.5 mm and no protection against water. It's for indoor, dry environments.

This rating means the converter should be installed in a control cabinet or a protected enclosure to prevent accidental contact and ingress of dust or debris. Ensure proper enclosure.

Avoid installing this unit in environments with excessive moisture, dust, or where it could be exposed to direct water jets. Maintain a clean, dry installation area.