Siemens 6SL3210-1KE12-3UF2 G120 VFD with Safety for Machine Safety Drive 2.2A 0.75kW

The Siemens 6SL3210-1KE12-3UF2 G120 VFD with Safety is a high-performance variable frequency drive engineered for demanding industrial applications, offering integrated machine safety functions and a robust 2.2A, 0.75kW power output. This drive excels in providing precise motor control, enhanced energy efficiency, and crucial safety features, making it an ideal choice for complex machinery where operational reliability and personnel protection are paramount. Its advanced technology ensures seamless integration and optimal performance across various industrial sectors.

Product Specifications

| Feature                  | Specification                                |

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

| Model Number             | 6SL3210-1KE12-3UF2                           |

| Series                   | SINAMICS G120                                |

| Rated Power              | 0.75 kW                                      |

| Rated Current            | 2.2 A                                        |

| Voltage                  | 380-480V 3 Phase                             |

| Safety Integrated      | Yes (STO, SS1, SLS, SSM, SBC)                |

| Communication Interface  | Profinet/ProfiSafe (typically via Control Unit) |

| Degree of Protection     | IP20                                         |

| Ambient Temperature      | -20°C to +50°C (derating may apply)         |

| Mounting                 | Cabinet installation                         |

Core Features & Market Positioning

The Siemens 6SL3210-1KE12-3UF2 stands out in the industrial VFD market due to its integrated safety functions, eliminating the need for external safety relays in many applications. This significantly reduces engineering effort, wiring complexity, and overall system cost. The SINAMICS G120 platform is renowned for its modularity, allowing users to select appropriate control units and motor modules for their specific needs, further enhancing its flexibility and cost-effectiveness. Its advanced control algorithms ensure smooth motor operation, precise speed and torque regulation, and excellent dynamic response, positioning it as a premium solution for applications demanding high reliability and efficiency. The integrated Safety Integrated functionality, including Safe Torque Off (STO), provides a robust solution for machine safety compliance.

Key Application Scenarios

This G120 VFD is exceptionally well-suited for a wide array of industrial automation tasks. It is a prime candidate for applications in material handling, such as conveyor systems and automated storage, where precise speed control and reliable stopping are essential. In the packaging industry, its ability to manage complex motion profiles makes it ideal for filling, labeling, and sealing machines. Furthermore, it finds extensive use in machine tools, printing presses, and textile machinery, benefiting from its energy-saving capabilities and precise control, particularly when integrated with safety features for operator protection during maintenance or operation. The 0.75kW rating and 2.2A output are suitable for medium-duty loads requiring accurate speed and torque management.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-1KE12-3UF2 into an industrial control system is facilitated by its modular design and standard communication protocols. For optimal performance and safety, ensure proper ventilation within the control cabinet, as the drive generates heat during operation. Wiring should strictly follow the documentation provided with the specific Control Unit and Power Module, paying close attention to power supply, motor connections, and digital/analog I/O for external control signals. For safety functions, correctly wiring the safety inputs to the Control Unit and ensuring the correct parameterization of safety functions like STO are critical for compliance and reliable operation. Communication with a PLC, typically via PROFINET with PROFIsafe, requires careful configuration of the network settings and the safety communication parameters within both the drive and the PLC.

Operation and Risk Mitigation

Safe and efficient operation of the Siemens 6SL3210-1KE12-3UF2 hinges on correct parameterization and adherence to operational guidelines. The Safety Integrated functions, such as STO, prevent unintentional motor start-up, a critical safety measure. During commissioning, thorough testing of all safety functions under controlled conditions is imperative to verify their correct operation and ensure compliance with relevant safety standards. Common troubleshooting may involve diagnosing fault codes displayed on the Control Unit's operator panel. For instance, a "F0001" fault typically indicates an overcurrent condition, requiring checks on motor load, acceleration ramps, or potential short circuits. Proper grounding and shielding of motor cables are essential to mitigate electromagnetic interference (EMI) and prevent operational disruptions.

Scalability & Long-Term Value

The SINAMICS G120 platform offers significant scalability and long-term value. The modular architecture allows for easy replacement or upgrade of individual components, such as the Control Unit or motor module, without needing to replace the entire drive. This facilitates adaptation to evolving application requirements or technological advancements. The drive's compatibility with Siemens' broader automation ecosystem, including SIMATIC PLCs and HMI panels, enables seamless integration into larger plant-wide control and monitoring solutions. Furthermore, the potential for integration with Industrial Internet of Things (IIoT) platforms allows for advanced diagnostics, predictive maintenance, and optimized energy management, extending the drive's value well into the future.

Frequently Asked Questions

Q1: What is the primary advantage of the Siemens 6SL3210-1KE12-3UF2?

The integrated safety functions offer a key benefit.

It simplifies machine safety integration significantly.

This reduces overall system cost and complexity.

Q2: What applications are best suited for this VFD?

Ideal for conveyor systems and material handling.

Excellent for packaging and labeling machinery.

Common in machine tools and textile equipment.

Q3: How is the Safety Integrated feature activated?

Safety signals are wired to the drive's inputs.

Specific safety functions are then parameterized.

STO prevents unintended motor rotation.

Q4: What is the power rating of the 6SL3210-1KE12-3UF2?

This unit is rated at 0.75 kW.

Its maximum output current is 2.2 A.

It is designed for 380-480V 3-phase input.

Q5: Can this drive communicate with PLCs?

Yes, it supports standard industrial protocols.

PROFINET with PROFIsafe is a common option.

This allows for advanced control and monitoring.

Q6: What is STO and why is it important?

STO stands for Safe Torque Off.

It reliably prevents motor power activation.

This is crucial for operator safety during maintenance.

Q7: How do I perform basic troubleshooting on this VFD?

Check the drive's control unit for fault codes.

Refer to the manual for specific error meanings.

Inspect motor, wiring, and load for issues.

Q8: What are the environmental operating limits for this drive?

It operates in temperatures from -20°C to +50°C.

Proper ventilation is crucial in control cabinets.

Degree of protection is IP20, requiring enclosure.

Q9: Is this VFD modular and upgradable?

Yes, the SINAMICS G120 is highly modular.

Components like control and motor units can be swapped.

This allows for system flexibility and future upgrades.

Q10: What are the benefits of PROFINET/PROFIsafe integration?

It enables high-speed data exchange.

PROFIsafe extends safety over the network.

This simplifies complex automation architectures.