Siemens 6SL3210-1KE11-8AF2 G120 Safety & Filter Frequency Converter 1.7A 0.55kW

The Siemens 6SL3210-1KE11-8AF2 G120 Safety & Filter Frequency Converter represents a high-performance solution for variable speed drive applications, offering robust safety integrated features and essential filtering capabilities. This 1.7A, 0.55kW unit is engineered for precision control and operational reliability across a wide range of industrial settings. Its key advantages include enhanced machine safety through integratedSTO (Safe Torque Off), improved power quality due to the built-in filter, and flexible integration within Siemens' broader automation ecosystem. The G120 platform's modular design ensures adaptability, while the specific 6SL3210-1KE11-8AF2 model targets applications demanding compact size, precise speed regulation, and inherent safety functionalities.

Siemens 6SL3210-1KE11-8AF2: Product Specifications

| Parameter                   | Specification                                 |

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

| Manufacturer                | Siemens                                       |

| Series                      | SINAMICS G120                             |

| Model Number                | 6SL3210-1KE11-8AF2                            |

| Rated Output Power          | 0.55 kW                                       |

| Rated Output Current        | 1.7 A                                         |

| Input Voltage               | 3AC 380-480 V                                 |

| Output Voltage              | 3AC 380-480 V                                 |

| Protection Class            | IP20                                          |

| Integrated Safety Functions | Yes (e.g., STO)                               |

| Integrated Filter           | Yes (EMC filter)                              |

| Dimensions (H x W x D)      | Specific dimensions vary by Control Unit (CU) and Power Module (PM) configuration; refer to technical documentation for precise CU240E-2 PN module pairing. |

Core Features & Market Positioning

The SINAMICS G120 series, exemplified by the 6SL3210-1KE11-8AF2, distinguishes itself through its integrated safety and filtering, directly addressing crucial industrial demands. The Safe Torque Off (STO) functionality eliminates the need for external safety relays in many applications, simplifying wiring and reducing cabinet space, thereby enhancing machine safety compliance. The integrated Class A filter minimizes electromagnetic interference (EMI), crucial for meeting stringent regulatory standards and ensuring reliable operation alongside sensitive equipment, particularly in networked environments. This combination positions the G120 as a cost-effective and technically superior choice for OEMs and system integrators seeking a dependable, all-in-one drive solution for medium-performance applications where safety and signal integrity are paramount.

Key Application Scenarios

The Siemens 6SL3210-1KE11-8AF2 is ideally suited for a diverse array of industrial applications where precise speed control, integrated safety, and electromagnetic compatibility are essential. Common use cases include conveyor systems, packaging machinery, material handling equipment, and pump and fan control in HVAC systems. Its robust design and compact form factor make it particularly effective in applications with limited space. The integrated safety features are critical in machinery where personnel safety is a primary concern, such as automated assembly lines and robotic cells. Furthermore, its ability to mitigate EMI noise is invaluable in environments with sensitive instrumentation or strict electromagnetic compatibility (EMC) requirements, such as in the pharmaceutical or food and beverage industries.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-1KE11-8AF2 involves pairing the appropriate Control Unit (CU) and Power Module (PM). For this specific model (likely a PM240-2), it would be connected to a compatible CU, such as the CU240E-2 PN, which provides the necessary intelligence and communication capabilities. Wiring requires adherence to Siemens' guidelines, ensuring correct connections for power input, motor output, and control signals. The integrated safety functions, like STO, are typically activated via digital inputs on the Control Unit, simplifying external wiring compared to traditional safety relay circuits. Parameterization is achieved using Siemens' standard tools, such as TIA Portal or STARTER software, allowing for fine-tuning of motor control, safety settings, and communication protocols (e.g., PROFINET for the PN variant).

Operation and Risk Mitigation

Operating the Siemens 6SL3210-1KE11-8AF2 demands a thorough understanding of its safety features and potential fault conditions. The integrated STO function provides a direct, hardware-based disconnection of the motor torque, preventing unexpected starts and ensuring safe conditions during maintenance or emergency stops. Regular monitoring of operational parameters via the Control Unit's display or connected HMI is recommended to identify deviations. Common troubleshooting involves checking power supply stability, motor connections, and parameter settings. Critical error codes, typically displayed on the CU, should be cross-referenced with the SINAMICS G120 operating manual for accurate diagnosis and resolution. For instance, fault codes related to overcurrent or overvoltage necessitate an immediate investigation into motor load or power supply issues, respectively.

Scalability & Long-Term Value

The Siemens 6SL3210-1KE11-8AF2 is part of the highly scalable SINAMICS G120 platform, offering significant long-term value. Its modular design allows for easy upgrades or modifications by swapping Control Units or Power Modules to meet evolving application demands without replacing the entire drive. Compatibility with Siemens' TIA Portal and integration with SIMATIC PLCs facilitate seamless incorporation into existing or new automation architectures. Furthermore, the G120's support for various industrial communication protocols, including PROFINET, positions it for integration into Industrial IoT (IIoT) environments, enabling advanced diagnostics, predictive maintenance, and remote monitoring capabilities, thus maximizing operational efficiency and asset lifespan.

Frequently Asked Questions (FAQs)

1. What is the primary advantage of the Siemens 6SL3210-1KE11-8AF2?

This drive offers integrated safety functions. It minimizes external wiring for safety circuits.

It also includes a built-in EMC filter. This reduces electromagnetic interference effectively.

The combination ensures machine safety and reliable operation. It simplifies system design and reduces costs.

2. Can the Siemens 6SL3210-1KE11-8AF2 be used with any motor?

It is designed for standard three-phase asynchronous motors. Ensure the motor's power and voltage ratings match.

Consult the SINAMICS G120 documentation for specific motor compatibility. This includes motor data for optimal commissioning.

Always verify motor insulation and grounding for safe operation. Proper motor selection is crucial for performance.

3. How is the safety function (STO) activated on the 6SL3210-1KE11-8AF2?

STO is activated via digital inputs on the Control Unit. This bypasses external safety relays.

Connect a safety signal source, like an emergency stop button. Ensure the signal logic conforms to safety standards.

Refer to the CU240E-2 PN manual for exact wiring and parameterization. Proper configuration is essential for safety assurance.

4. What is the purpose of the integrated filter in this frequency converter?

The integrated filter reduces electromagnetic interference (EMI). It ensures compliance with EMC directives.

This protects sensitive control and communication systems nearby. It improves overall system reliability.

The filter is typically a Class A filter. It is designed for industrial environments.

5. How do I perform initial commissioning of the Siemens 6SL3210-1KE11-8AF2?

Connect the drive to the control unit and motor correctly. Ensure power supply is stable and within range.

Use TIA Portal or STARTER software for parameterization. Upload motor data and configure basic settings.

Perform a low-speed test run first. Verify safe torque off functionality.

6. What are common fault codes for the SINAMICS G120 series?

Common faults include F0001 (Overcurrent) and F0002 (Overvoltage). These indicate power supply or load issues.

Other faults may relate to undervoltage (F0003) or motor phase loss (F0004). Always check the manual for specific codes.

Troubleshooting requires analyzing the fault code and related parameters. Check wiring and external components.

7. Is the Siemens 6SL3210-1KE11-8AF2 compatible with PROFINET?

Yes, if paired with a PROFINET capable Control Unit like the CU240E-2 PN. This enables network communication.

PROFINET integration allows for remote control and diagnostics. It is ideal for networked automation systems.

Ensure proper network cabling and configuration for reliable communication. Use appropriate IP addresses.

8. What is the IP rating of this frequency converter?

The IP rating for the SINAMICS G120 Power Module is typically IP20. This means it is protected against solid objects larger than 12.5mm.

It is not protected against water ingress. Therefore, it must be installed in a suitable enclosure or control cabinet.

Ensure the installation environment meets the IP20 requirements for longevity. Avoid dusty or wet locations.

9. Can the Siemens 6SL3210-1KE11-8AF2 be used for high-precision positioning tasks?

While capable of precise speed control, it's primarily designed for variable speed applications. High-precision positioning may require advanced servo drives.

Its performance for positioning depends on the application's dynamic requirements. It can be suitable for simpler positioning tasks.

For demanding positioning, consider integrating it with a PLC and encoder for feedback. Optimize parameters for dynamic response.

10. What is the power output and current rating of the 6SL3210-1KE11-8AF2?

This specific model has a rated output power of 0.55 kW. Its maximum rated output current is 1.7 A.

This rating is suitable for smaller motors and less demanding applications. Always match the drive to the motor's nameplate data.

Ensure the motor's full load current is within the drive's capability. This prevents overload and damage.