SIEMENS 6SL3720-1TE32-6AA3 SINAMICS S120 Single Motor Module with CIM for CU320-2 132kW 260A Air Cooled 400V

The SIEMENS 6SL3720-1TE32-6AA3 SINAMICS S120 Single Motor Module stands as a pinnacle of advanced drive technology, offering robust performance and intelligent control for demanding industrial applications. This air-cooled, 400V module boasts a substantial 132kW power rating and a 260A continuous current capacity, making it ideal for high-performance motion control. Its integration with the CU320-2 control unit facilitates sophisticated functions and seamless system connectivity, positioning it as a superior choice for automation engineers seeking efficiency, reliability, and future-proof scalability. The SIEMENS SINAMICS S120 series is renowned for its precision, energy efficiency, and adaptability across a wide spectrum of industries.

Product Specifications

| Feature                  | Specification                                           |

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

| Product Number           | 6SL3720-1TE32-6AA3                                      |

| Series                   | SINAMICS S120                                           |

| Type                     | Single Motor Module with CIM for CU320-2                |

| Power Rating             | 132 kW                                                  |

| Continuous Current       | 260 A                                                   |

| Voltage                  | 400 V                                                   |

| Cooling                  | Air Cooled                                              |

| Control Unit Interface   | CIM for CU320-2                                         |

| Protection Class         | IP20 (typical for chassis units, confirm specific variant) |

| Dimensions (approx.)     | Varies by frame size, consult datasheet                 |

| Weight (approx.)         | Varies by frame size, consult datasheet                 |

Core Features & Market Positioning

The SIEMENS 6SL3720-1TE32-6AA3 SINAMICS S120 module distinguishes itself through its highly efficient power conversion and precise motor control capabilities. Its integration with the CU320-2 control unit provides a powerful platform for complex motion sequences, advanced diagnostics, and seamless communication with higher-level automation systems. This synergy allows for optimized torque and speed control, leading to improved process quality and reduced cycle times. In the competitive landscape of industrial drives, the SINAMICS S120 series is positioned as a premium solution, favored for its robustness, reliability, and Siemens' strong global support network. Its ability to handle high power and current demands with exceptional accuracy makes it a preferred choice for applications where performance is paramount.

Key Application Scenarios

This high-performance drive module, the SIEMENS 6SL3720-1TE32-6AA3, is exceptionally well-suited for a variety of demanding industrial applications. It excels in machine tools, providing the precise control necessary for complex milling, turning, and grinding operations, ensuring high-quality finishes and efficient material removal. In the printing and paper industry, its robust power delivery and speed regulation are critical for maintaining consistent tension and accurate registration across high-speed web handling processes. Furthermore, it finds extensive use in material handling systems, such as automated warehousing and conveyor belts, where reliable and precise movement of goods is essential for operational efficiency. The module's capacity to manage dynamic loads also makes it a strong candidate for robotics and automated assembly lines, facilitating smooth and accurate robotic arm movements.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3720-1TE32-6AA3 SINAMICS S120 module into an existing or new control system requires careful planning. It is designed to work seamlessly with the CU320-2 control unit, which acts as the central intelligence for the drive. Ensure proper power supply connections are made according to the voltage and current ratings, adhering strictly to local electrical codes and safety standards. The module typically requires forced air cooling, so adequate ventilation must be provided to maintain optimal operating temperatures and prevent thermal shutdowns. For communication, establish connections to the control unit via the appropriate fieldbus system (e.g., PROFINET, PROFIBUS) supported by the CU320-2. Parameterization is crucial and is typically performed using Siemens' STARTER commissioning software, allowing for detailed configuration of motor data, control modes, and safety functions.

Operation and Risk Mitigation

Safe and efficient operation of the SIEMENS 6SL3720-1TE32-6AA3 SINAMICS S120 module necessitates adherence to operational guidelines and proactive risk mitigation. Before commissioning, ensure all safety interlocks are correctly wired and tested. During operation, monitor drive parameters such as temperature, current, and voltage through the control unit's interface or connected HMI to detect anomalies early. Overload conditions, indicated by high current readings or thermal warnings, should be addressed by reducing the load or investigating potential mechanical issues. Fault codes displayed by the CU320-2 provide critical diagnostic information; common issues might relate to motor connection problems (e.g., P0305), overcurrent (e.g., F07001), or overheating (e.g., F0001). Always consult the SINAMICS S120 system manual for detailed explanations of fault codes and recommended troubleshooting steps.

Scalability & Long-Term Value

The SINAMICS S120 platform, including the 6SL3720-1TE32-6AA3 module, offers significant scalability and long-term value, ensuring your automation investment remains relevant. Its modular design allows for the expansion of drive systems by adding more motor modules or control units as application requirements grow. Compatibility with Siemens' broader automation ecosystem, including PLCs like SIMATIC, enables seamless integration into larger, more complex automation solutions and facilitates the adoption of Industry 4.0 initiatives. Furthermore, the platform's ability to integrate with digital services and IIoT platforms allows for advanced data analytics, predictive maintenance, and remote monitoring, enhancing operational efficiency and reducing downtime over the product lifecycle.

Frequently Asked Questions

1. What is the primary function of the SIEMENS 6SL3720-1TE32-6AA3?

This module serves as a high-power drive for single motors.

It precisely controls motor speed, torque, and position for industrial machinery.

Its integration with CU320-2 enables advanced automation and communication.

2. What are the key technical specifications of the 6SL3720-1TE32-6AA3?

It operates at 400V with a 132kW power rating.

The module can deliver a continuous current of 260A.

It features air cooling and connects via CIM to the CU320-2 control unit.

3. Which industries commonly use the SIEMENS 6SL3720-1TE32-6AA3?

Machine tool manufacturing relies on its precision control.

The printing and paper industry uses it for web handling.

Material handling and robotics also leverage its robust performance.

4. How is the SIEMENS 6SL3720-1TE32-6AA3 commissioned?

Use Siemens STARTER software for parameterization.

Connect to the CU320-2 via a fieldbus like PROFINET.

Ensure proper power connections and ventilation are in place.

5. What are common fault codes for the SINAMICS S120?

F07001 indicates an overcurrent fault.

F0001 often points to an over-temperature issue.

P0305 may signal a motor connection problem.

6. Can this module be used with different types of motors?

Yes, it supports various motor types like asynchronous and synchronous.

Accurate motor data must be entered during commissioning for optimal performance.

Consult the manual for specific motor compatibility and configuration details.

7. What is the cooling method for this module?

The SIEMENS 6SL3720-1TE32-6AA3 is air-cooled.

Adequate ventilation is crucial for its reliable operation.

Ensure clear airflow around the unit to prevent overheating.

8. How does the CIM interface function?

CIM stands for Control Interface Module.

It enables communication between the SINAMICS S120 power module and the CU320-2 control unit.

This interface is essential for data exchange and control signal transfer.

9. What is the voltage requirement for this module?

The module requires a 400V power supply.

Always verify the supply voltage matches the module's specifications.

Incorrect voltage can lead to damage or malfunction.

10. Is the SINAMICS S120 platform scalable?

Yes, its modular design allows for system expansion.

Additional modules or control units can be added as needed.

It integrates well with other Siemens automation components for larger systems.