Siemens 6SL3210-1KE23-8UF1 G120 High Reliability Safety AC Drive 37A 18.5kW

The Siemens 6SL3210-1KE23-8UF1 G120 is a high-reliability AC drive engineered for demanding industrial applications. This drive boasts an impressive current rating of 37A and a substantial power output of 18.5kW, making it suitable for a wide range of motor control needs. Its design emphasizes robust performance and safety, offering integrated safety functions that are crucial for modern manufacturing environments. Key advantages include its advanced control capabilities, energy efficiency, and exceptional durability, positioning it as a top-tier solution for critical processes where uptime and safety are paramount.

Product Specifications

| Feature                 | Specification                                     |

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

| Model Number            | 6SL3210-1KE23-8UF1                                |

| Product Line            | SINAMICS G120                                     |

| Rated Current (Ie)      | 37 A                                              |

| Rated Power (Pmax)      | 18.5 kW (25 HP)                                   |

| Input Voltage           | 380-480 V, 3-phase                                |

| Output Voltage          | 3 AC, 0-480 V                                     |

| Protection Rating       | IP20 (Control Unit), IP20/IP21 (Power Module)     |

| Control Type            | Vector Control, V/f Control                       |

| Communication Interfaces| PROFINET, PROFIBUS DP, EtherNet/IP, EtherCAT      |

| Safety Integrated       |STO (Safe Torque Off)                             |

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

| Dimensions (H x W x D)  | Varies by Control and Power Module configuration. |

Core Features & Market Positioning

The Siemens 6SL3210-1KE23-8UF1 distinguishes itself through its inherent high reliability, a cornerstone of the SINAMICS G120 platform. This drive is engineered with robust components and sophisticated thermal management, ensuring consistent operation even under heavy loads and challenging environmental conditions. Its integrated Safe Torque Off (STO) functionality is a significant differentiator, providing a reliable method to prevent unintended machine startup without requiring external safety relays. This focus on safety and reliability positions the 6SL3210-1KE23-8UF1 as a preferred choice for industries where operational continuity and personnel safety are non-negotiable, such as heavy manufacturing, process automation, and material handling. The drive's advanced control algorithms, including precise vector control, enable optimal motor performance, energy savings, and improved process accuracy, aligning it with the growing demand for intelligent and efficient industrial automation solutions.

Key Application Scenarios

The Siemens 6SL3210-1KE23-8UF1 G120 drive excels in applications demanding precise motor control and high reliability. It is ideally suited for variable speed applications in the chemical and pharmaceutical industries, controlling pumps, mixers, and extruders where consistent process parameters are critical. In material handling and logistics, this drive effectively manages conveyor systems, cranes, and automated storage and retrieval systems (AS/RS), ensuring smooth and efficient movement of goods. Furthermore, its robust design and integrated safety features make it a strong candidate for machine tool applications, such as controlling spindle and feed drives, where precise speed regulation and rapid stopping are essential. The drive's versatility also extends to water and wastewater treatment plants, managing pump and fan speeds to optimize resource consumption and system performance.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-1KE23-8UF1 into a control system typically involves connecting the power module and control unit, followed by parameterization. Ensure the power module is correctly wired to the motor and the main power supply, adhering strictly to voltage and grounding requirements specified in the manual. The control unit connects to the power module via a dedicated interface cable. For communication, utilize the appropriate fieldbus module (e.g., PROFINET or PROFIBUS) and connect it to your industrial network. Initial commissioning requires setting fundamental motor parameters (rated power, voltage, current, speed) and configuring control modes (e.g., V/f or vector control) via the drive's keypad or engineering software like TIA Portal. For STO functionality, ensure the safety wiring is correctly implemented according to safety standards and the drive's safety manual.

Operation and Risk Mitigation

Operating the Siemens 6SL3210-1KE23-8UF1 involves careful parameterization and monitoring to ensure optimal performance and safety. The drive's advanced diagnostics provide real-time status and fault information, crucial for proactive maintenance. Key error codes, such as F001 (Overcurrent) or F007 (Over-temperature), indicate specific issues requiring investigation. Troubleshooting often involves checking motor connections, supply voltage stability, and ensuring adequate ventilation. To mitigate risks, always apply the Safe Torque Off (STO) function when maintenance or emergency stops are required, preventing unexpected motor restarts. Proper environmental conditions, including temperature and humidity, should be maintained to prevent component stress and premature failure. Regularly inspect connections and perform routine diagnostic checks as part of a preventive maintenance schedule.

Scalability & Long-Term Value

The Siemens 6SL3210-1KE23-8UF1 G120 drive offers significant scalability and long-term value within the Siemens automation portfolio. Its modular design allows for the addition of various communication and I/O modules, enabling seamless integration with different industrial networks and control architectures. This flexibility ensures that the drive can adapt to evolving system requirements and communication protocols, such as PROFINET or EtherNet/IP, supporting digital transformation initiatives and the Industrial Internet of Things (IIoT). Compatibility with Siemens' TIA Portal engineering framework streamlines commissioning, diagnostics, and overall system management across multiple automation devices. The robust build quality and inherent reliability of the SINAMICS G120 platform contribute to a long operational lifespan, minimizing downtime and total cost of ownership.

FAQs

1. What is the primary application for the Siemens 6SL3210-1KE23-8UF1 G120 drive?

This drive is ideal for variable speed applications requiring high reliability and precise motor control. It serves industries like manufacturing, material handling, and water treatment. Its robust design ensures consistent performance in demanding environments.

2. What are the key advantages of the Siemens 6SL3210-1KE23-8UF1?

Key advantages include its high reliability, integrated Safe Torque Off (STO) function, and advanced control capabilities. It offers excellent energy efficiency and precise motor performance through vector control.

3. How do I connect the Siemens 6SL3210-1KE23-8UF1 to my motor?

Connect the motor phases (U, V, W) to the output terminals of the power module. Ensure proper grounding. Refer to the drive's manual for specific wiring diagrams based on motor type and power rating.

4. What communication protocols does the 6SL3210-1KE23-8UF1 support?

It supports major industrial communication protocols including PROFINET, PROFIBUS DP, EtherNet/IP, and EtherCAT. This allows for flexible integration into various automation systems.

5. What is the power rating of the Siemens 6SL3210-1KE23-8UF1?

The drive has a rated power output of 18.5 kW (approximately 25 HP). Its rated current is 37 A, suitable for a wide range of industrial motor applications.

6. How does the Safe Torque Off (STO) feature work on this drive?

STO prevents the motor from generating torque, effectively stopping it. It's a safety function that disengages the motor power, ensuring safety during maintenance or emergencies.

7. What is the maximum ambient temperature for operating this drive?

The drive can operate within an ambient temperature range of -20°C to +50°C. Proper ventilation is crucial to maintain performance within this range.

8. Can this drive be used for simple V/f control applications?

Yes, the Siemens G120 drive supports both V/f control and advanced vector control. This flexibility allows it to be used in applications with varying complexity and performance requirements.

9. What are common fault codes for the Siemens 6SL3210-1KE23-8UF1?

Common fault codes include F001 (Overcurrent) and F007 (Over-temperature). These indicate issues with power supply, motor load, or cooling.

10. Is this drive compatible with older Siemens automation systems?

The G120 platform, particularly with the right communication modules, offers good compatibility. TIA Portal facilitates integration with many existing Siemens components and systems.