Siemens 6SL3210-1KE11-8AB2 G120 Frequency Converter with Built-in Filter 1.7A 0.55kW

The Siemens 6SL3210-1KE11-8AB2 G120 frequency converter is a robust solution designed for precise motor control in demanding industrial environments. This compact yet powerful unit boasts an integrated filter, a 1.7A current rating, and a 0.55kW power output, making it ideal for applications requiring efficient and reliable speed regulation. Its key advantages lie in its energy efficiency, advanced control capabilities, and straightforward integration, positioning it as a competitive choice for various automation tasks. The built-in filter significantly reduces electromagnetic interference (EMI), simplifying installation and ensuring cleaner signal integrity within complex systems.

Product Specifications

| Parameter                     | Value                 |

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

| Product Type                  | Frequency Converter   |

| Manufacturer                  | Siemens               |

| Series                        | SINAMICS G120         |

| Model Number                  | 6SL3210-1KE11-8AB2    |

| Rated Current (I)             | 1.7 A                 |

| Rated Power (P)               | 0.55 kW               |

| Input Voltage                 | 3 Phase 380-480V AC   |

| Output Voltage                | 3 Phase 380-480V AC   |

| Integrated Filter             | Yes                   |

| Protection Class              | IP20                  |

| Dimensions (H x W x D)        | 220 x 140 x 170 mm    |

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

Core Features & Market Positioning

The Siemens 6SL3210-1KE11-8AB2 distinguishes itself through its intelligent control algorithms, offering precise speed, torque, and position feedback capabilities. The integrated filter is a significant differentiator, reducing the need for external filtering components and thereby lowering overall system cost and complexity. This feature is particularly valuable in environments where EMI can disrupt sensitive control systems. Its robust construction and adherence to stringent industrial standards (IP20 protection) ensure reliable operation even under challenging ambient conditions. Market positioning for the SINAMICS G120 series, including this model, is firmly within the mid-range industrial automation sector, targeting applications that demand high performance, reliability, and energy savings without the complexity or cost of higher-end drives.

Key Application Scenarios

This Siemens G120 frequency converter is exceptionally well-suited for a wide array of industrial applications. Its precise control makes it a prime candidate for variable speed drives in pump and fan applications, optimizing energy consumption by matching motor speed to demand. Manufacturing and processing industries benefit from its use in conveyor systems, mixers, and extruders, where consistent speed and torque are critical for product quality. Furthermore, its integrated filter simplifies integration into automation cells for machine tools and packaging machinery, where minimizing electrical noise is paramount for operational integrity. The 0.55kW rating is ideal for smaller to medium-sized motor applications requiring variable frequency drive control.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-1KE11-8AB2 into an existing system is streamlined due to its modular design and comprehensive communication options. For basic setup, ensure correct wiring according to the manual, paying close attention to power input (L1, L2, L3) and motor output (U, V, W). Utilize the integrated terminal block for control signals, such as start/stop commands and speed setpoints. For advanced configurations, parameterization via the Siemens TIA Portal or a dedicated control panel (HMI) is recommended. Consider utilizing the digital inputs for multi-speed selection or the analog inputs for precise speed referencing. The built-in filter simplifies installation by often negating the need for an external line filter.

Operation and Risk Mitigation

Safe operation of the Siemens 6SL3210-1KE11-8AB2 requires adherence to electrical safety standards and proper installation procedures. Always ensure the unit is de-energized before performing any wiring or maintenance. Overload protection is a key feature, managed through parameter settings to prevent motor damage and drive failure. Common troubleshooting involves checking error codes displayed on the drive's interface. For instance, a "F0001" error typically indicates an overload condition, suggesting a need to review motor load or parameter settings. Proper ventilation and ambient temperature management (within the -20°C to +50°C operating range) are crucial to prevent overheating and ensure longevity.

Scalability & Long-Term Value

The SINAMICS G120 platform, represented by the 6SL3210-1KE11-8AB2, offers significant scalability and long-term value. Its modular architecture allows for expansion with various I/O modules, communication adapters (e.g., PROFINET, PROFIBUS), and safety functions, enabling seamless upgrades as application requirements evolve. This flexibility ensures that the drive can adapt to future automation strategies, including integration into Industrial Internet of Things (IIoT) ecosystems. Compatibility with Siemens' broader automation portfolio, such as SIMATIC PLCs, further enhances its long-term value by enabling integrated system solutions and centralized management.

Frequently Asked Questions

1. What is the maximum motor size for the Siemens 6SL3210-1KE11-8AB2?

The Siemens 6SL3210-1KE11-8AB2 frequency converter is rated for 0.55kW, which typically corresponds to small to medium-sized motors. It is crucial to match the motor's nameplate data, especially its full-load current and power rating, against the drive's capabilities.

This rating suggests suitability for motors generally falling within the 0.75 horsepower range. Always consult the full technical documentation for precise motor compatibility charts.

Referencing the drive's operational limits, such as continuous and peak current, against the motor's requirements will ensure optimal performance and prevent overload conditions.

2. Does the Siemens 6SL3210-1KE11-8AB2 include an integrated brake chopper?

No, the Siemens 6SL3210-1KE11-8AB2, as a standard configuration, does not typically include an integrated brake chopper. This specific model is focused on basic variable speed control with an emphasis on its built-in filter.

Brake choppers are usually separate add-on modules or integrated into higher-power G120 units. For braking applications requiring dynamic deceleration and energy dissipation, an external brake resistor and chopper unit would need to be specified.

If braking functionality is essential for your application, explore higher-rated SINAMICS G120 drives or consult Siemens documentation for compatible braking solutions that can be integrated with this model.

3. What is the IP rating of the Siemens 6SL3210-1KE11-8AB2?

The Siemens 6SL3210-1KE11-8AB2 frequency converter features an IP20 protection rating. This means it offers protection against solid objects greater than 12.5mm (like a finger) but is not protected against water ingress.

Therefore, this drive is intended for installation in control cabinets or environments where it is shielded from dust, moisture, and direct contact. Proper enclosure is necessary to maintain its operational integrity and ensure safety.

Consider the operating environment carefully; if exposure to water or significant dust is anticipated, a higher IP-rated enclosure or a different product variant designed for such conditions would be required.

4. Can I use the Siemens 6SL3210-1KE11-8AB2 with single-phase input power?

The Siemens 6SL3210-1KE11-8AB2 is designed for a three-phase input voltage of 380-480V AC. It cannot be directly operated with a standard single-phase power supply.

Using this drive with a single-phase source would require a phase converter or a specific single-phase input variant, which is not inherent to this particular model number. Attempting to connect single-phase power can lead to drive damage and equipment failure.

Always verify the input power requirements specified on the product's data plate and in its technical documentation to ensure correct electrical connections and prevent operational issues.

5. How do I connect the Siemens 6SL3210-1KE11-8AB2 to a PLC?

Connecting the Siemens 6SL3210-1KE11-8AB2 to a PLC typically involves utilizing its digital and analog I/O terminals or a communication interface. For basic control, digital inputs can be wired for start/stop commands and speed selection.

Analog inputs can accept voltage or current signals from the PLC for precise speed setpoints. For more advanced integration, consider equipping the drive with a communication module (e.g., PROFINET, PROFIBUS) and establishing a network connection with the PLC.

Parameterize the drive in the PLC software (like TIA Portal) to exchange data for speed control, status monitoring, and diagnostics, enabling seamless automation integration.

6. What is the significance of the built-in filter in this G120 converter?

The built-in filter in the Siemens 6SL3210-1KE11-8AB2 is an electromagnetic compatibility (EMC) filter. Its primary function is to suppress high-frequency noise generated by the converter's switching electronics from propagating back onto the power supply line.

This integrated filtering helps meet stringent EMC regulations, reducing interference with other sensitive electronic equipment in the vicinity. It also simplifies installation by often eliminating the need for an external line filter, saving space and cost.

By mitigating EMI, the built-in filter contributes to more reliable system operation, preventing potential disruptions to control signals and communication networks.

7. What is the typical power factor of the Siemens 6SL3210-1KE11-8AB2?

The power factor of the Siemens 6SL3210-1KE11-8AB2, like most modern frequency converters operating at nominal load, is generally close to unity. Active input current control contributes to improved power factor and reduced harmonic distortion.

However, the power factor can vary depending on the motor load and operating speed. At very light loads, the power factor might be slightly lower. The integrated filter also plays a role in shaping the input current waveform.

For applications requiring strict power factor correction or harmonic mitigation beyond the built-in capabilities, external solutions such as active filters or line reactors may be necessary.

8. How do I reset error codes on the Siemens 6SL3210-1KE11-8AB2?

To reset error codes on the Siemens 6SL3210-1KE11-8AB2, first identify and rectify the underlying cause of the fault. Once the issue is resolved, the reset procedure can be initiated.

Typically, error codes can be reset via the drive's control panel (if equipped) using a dedicated reset button or menu option. Alternatively, a reset can often be triggered by cycling the main power supply to the unit.

Consult the specific operating manual for your model to confirm the exact sequence for fault acknowledgment and reset, as different configurations may have slightly varied procedures.

9. What is the maximum ambient temperature for this converter?

The Siemens 6SL3210-1KE11-8AB2 frequency converter is designed to operate within an ambient temperature range of -20°C to +50°C. Operating outside this range can lead to reduced performance or component damage.

It is crucial to ensure adequate ventilation for the drive, especially when operating at the upper end of the temperature range or in enclosed control cabinets. Heat dissipation is essential for maintaining component reliability and lifespan.

If your application environment exceeds the +50°C limit, consider enhanced cooling solutions, such as forced ventilation or relocating the drive to a cooler area, to maintain operational integrity.

10. What is the communication protocol support for this G120 drive?

While the base Siemens 6SL3210-1KE11-8AB2 might have limited onboard communication, its SINAMICS G120 platform is highly scalable. It supports various communication protocols through optional communication modules.

Commonly supported protocols include PROFINET, PROFIBUS DP, EtherNet/IP, and Modbus TCP/IP. These modules allow the drive to be integrated into diverse industrial networks for seamless data exchange with PLCs and SCADA systems.

Selecting the appropriate communication module depends on your existing network infrastructure and the specific integration requirements of your automation system.