Siemens 6SL3210-1KE18-8UF1 G120 Safety Frequency Converter 8.8A 4kW

The Siemens 6SL3210-1KE18-8UF1 G120 Safety Frequency Converter is a robust 4kW, 8.8A drive engineered for demanding industrial applications, offering integrated safety functions and exceptional control performance. Its key advantages include advanced safety capabilities, precise speed and torque control, and seamless integration into Siemens automation architectures. Critical technical parameters include a rated output current of 8.8A, a power rating of 4kW, and its designation as a SINAMICS G120 unit. This converter ensures operational reliability and enhanced safety through features like Safe Torque Off (STO) and Safe Stop 1 (SS1).

Siemens 6SL3210-1KE18-8UF1 G120: Product Specifications

| Feature             | Specification                               |

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

| Product Number      | 6SL3210-1KE18-8UF1                          |

| Product Family      | SINAMICS G120                               |

| Rated Output Current| 8.8 A                                       |

| Rated Power         | 4 kW (5.5 HP)                               |

| Voltage             | 380-480 V 3 AC                              |

| Protection Class    | IP20                                        |

| Safety Functions    | Integrated STO, SS1, SLS, SSR, SDI          |

| Communication       | PROFIBUS, PROFINET (optional)               |

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

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

Core Features & Market Positioning

The Siemens 6SL3210-1KE18-8UF1 distinguishes itself through its integrated safety functions, a critical differentiator in modern industrial automation where machine safety is paramount. The SINAMICS G120 platform is renowned for its flexibility and scalability, allowing users to configure drives precisely to application requirements. This specific model, with its 4kW power rating and 8.8A output, is positioned as a versatile solution for a wide array of motor control tasks, from material handling and processing machinery to general industrial automation. Its advanced control algorithms, including precise vector control, ensure optimal performance and energy efficiency, directly impacting operational costs and productivity. The integration capabilities with Siemens' TIA Portal environment further solidify its market position as a component of a comprehensive automation solution.

Key Application Scenarios

This Siemens G120 safety frequency converter finds its optimal application in scenarios demanding high levels of safety and precise motor control. Industries such as manufacturing, pharmaceuticals, and automotive production frequently utilize such drives for conveyor systems, pumps, fans, and processing equipment where unexpected motor movement must be reliably prevented. The integrated Safe Torque Off (STO) functionality is crucial for applications like machine tools, packaging machines, and robotic cells, ensuring personnel safety during maintenance or emergency stops. Its robust design and reliable performance make it suitable for harsh environments common in food and beverage processing or chemical plants, provided appropriate environmental protection is implemented.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-1KE18-8UF1 G120 requires careful consideration of both power and control wiring. The unit typically connects to the main power supply via its line terminals and outputs to the motor through its motor terminals. For safety functions, dedicated safety input terminals must be wired according to the safety circuit design, often incorporating safety relays or safety PLCs. Commissioning is efficiently handled through Siemens' TIA Portal software, which allows for parameterization, diagnostics, and the configuration of integrated safety functions. For communication, optional interface modules can be added to enable integration with PROFIBUS or PROFINET networks, facilitating data exchange and remote control within a larger automation system.

Operation and Risk Mitigation

Operating the Siemens 6SL3210-1KE18-8UF1 involves configuring its parameters via the control unit or through engineering software to match the motor characteristics and application requirements. Key parameters include motor data, speed setpoints, and safety function settings. Risk mitigation is primarily addressed through the built-in safety functions. STO prevents unintentional motor startup by disconnecting power at the motor, while SS1 ensures a controlled deceleration before STO is activated. Common troubleshooting involves monitoring fault codes displayed on the control unit or within the TIA Portal, which provide diagnostic information for issues such as overcurrent, overvoltage, or communication errors. Proper installation, adherence to wiring guidelines, and regular maintenance are critical for safe and reliable operation.

Scalability & Long-Term Value

The SINAMICS G120 platform, including the 6SL3210-1KE18-8UF1, offers significant scalability and long-term value. Its modular design allows for the addition of various control units, communication modules, and braking components, enabling users to adapt the drive to evolving application needs without replacing the entire unit. Compatibility with Siemens' TIA Portal ensures seamless integration with other Siemens automation products, facilitating the development of comprehensive and future-proof automation solutions. Furthermore, its ability to connect to industrial networks like PROFINET opens pathways for integration into Industrial Internet of Things (IIoT) platforms, enabling advanced data analytics, predictive maintenance, and remote monitoring, thereby maximizing operational efficiency and return on investment.

Frequently Asked Questions

What is the primary function of the Siemens 6SL3210-1KE18-8UF1?

This converter controls motor speed and torque. It provides precise regulation for industrial motors.

It also integrates crucial safety features. This enhances operational security and machine safety.

The drive is rated for 4kW and 8.8A applications. It suits various automation tasks.

How do the safety functions on the 6SL3210-1KE18-8UF1 work?

Safe Torque Off (STO) prevents unintentional motor movement. It ensures safety during maintenance.

Safe Stop 1 (SS1) provides controlled deceleration. This is followed by STO for safe stopping.

Other functions like SLS and SSR offer advanced safety options. These can be configured for specific risks.

What are typical applications for this SINAMICS G120 drive?

It's ideal for conveyor systems and pumps. Manufacturing and processing industries benefit greatly.

Machine tools and packaging machines use its safety features. Robotic cells also leverage STO for safety.

It's suitable for general industrial automation tasks. Variable speed requirements are met efficiently.

Can the 6SL3210-1KE18-8UF1 be integrated with PROFINET?

Yes, with an optional communication module. PROFINET enables network integration.

This allows for remote control and diagnostics. It connects to a wider automation system.

TIA Portal facilitates easy PROFINET configuration. Data exchange becomes seamless.

What power and voltage ratings does the 6SL3210-1KE18-8UF1 have?

The converter is rated for 4kW of power. Its output current is 8.8 Amperes.

It operates on a 380-480 Volt, 3-phase AC supply. This is a standard industrial voltage range.

The drive is designed for robust performance. It handles demanding motor loads.

How do I commission the 6SL3210-1KE18-8UF1?

Commissioning is performed using TIA Portal software. This Siemens engineering platform is key.

Parameters are set for the motor and application. Safety functions are also configured here.

The process ensures optimal performance and safety. Expert knowledge aids efficient setup.

What are the environmental considerations for this drive?

The unit has an IP20 protection class. It is suitable for clean industrial environments.

It operates within an ambient temperature range of -20°C to +50°C. Enclosure may be needed in dusty or wet areas.

Proper ventilation is essential for heat dissipation. Avoid direct sunlight or extreme conditions.

What makes the SINAMICS G120 platform scalable?

Its modular design allows component upgrades. Control units and communication modules can be swapped.

Users can adapt the drive to new requirements. This avoids replacing the entire hardware.

It supports integration with future automation technologies. Long-term investment protection is a benefit.

How does this drive contribute to energy efficiency?

Variable speed control reduces energy consumption. Motors only draw power needed for the task.

Precise torque and speed regulation minimizes waste. Optimized operation leads to savings.

It adapts to varying load demands effectively. This improves overall system energy efficiency.

What troubleshooting steps are recommended for this converter?

Check error codes displayed on the unit or TIA Portal. These codes identify specific issues.

Verify power supply and motor connections. Ensure all wiring adheres to specifications.

Consult the product manual for detailed fault analysis. Correct parameter settings are also crucial.