SIEMENS 6SL3720-1TG41-0AA3 SINAMICS S120 Single Motor Module with CIM for CU320-2 1000kW 1025A High Power 690V Line

The SIEMENS 6SL3720-1TG41-0AA3 SINAMICS S120 Single Motor Module stands as a powerhouse in high-performance motion control for demanding industrial applications. This advanced drive system delivers exceptional power density and precise control, boasting a 1000kW output, a 1025A current rating, and operating at 690V. Engineered with an integrated Control Interface Module (CIM) for seamless connection with the CU320-2 control unit, it offers robust performance and sophisticated functionality crucial for complex machinery. Its key advantages lie in its high power capability, advanced control algorithms, and Siemens' renowned reliability, positioning it as a superior choice for sectors requiring significant torque and speed accuracy.

Product Specifications

| Parameter                  | Value                      |

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

| Product Type               | Single Motor Module        |

| Series                     | SINAMICS S120              |

| Siemens Part Number        | 6SL3720-1TG41-0AA3         |

| Rated Power                | 1000 kW                    |

| Rated Current              | 1025 A                     |

| Line Voltage               | 690 V                      |

| Control Unit Compatibility | CU320-2                    |

| Integrated Module          | CIM (Control Interface Module) |

Core Features & Market Positioning

The SIEMENS 6SL3720-1TG41-0AA3 SINAMICS S120 distinguishes itself through its exceptionally high power output within a compact form factor, a hallmark of Siemens' advanced drive technology. This module's integrated CIM simplifies system architecture and reduces wiring complexity, offering a distinct advantage in installation and maintenance. Its robust design and advanced control capabilities, including precise vector control and high dynamic performance, cater to industries where superior motion precision and reliability are paramount, setting it apart from less integrated or lower-power solutions. The SINAMICS S120 platform is widely recognized for its flexibility and scalability, allowing for seamless integration into various automation landscapes.

Key Application Scenarios

This high-power motor module finds its optimal use in heavy industries requiring substantial torque and precise speed regulation. Key applications include large-scale pump and fan drives in power generation and water management, sophisticated roll mills in metallurgy, and complex material handling systems in heavy manufacturing. It is also ideally suited for high-performance extruders and injection molding machines in the plastics industry, as well as advanced printing presses and paper machinery where consistent torque and dynamic response are critical. The 690V line voltage capability makes it suitable for installations with higher power distribution networks.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3720-1TG41-0AA3 requires careful attention to power connections, cooling, and control unit communication. Ensure the 690V power supply is robust and correctly phased for the module's input. The CIM facilitates communication with the CU320-2 control unit via standard fieldbus protocols, and proper parameterization within the Siemens TIA Portal or Startdrive software is essential for optimal performance. For high-power applications, adequate heat dissipation through external cooling or a well-ventilated control cabinet is critical to prevent thermal overload and ensure module longevity.

Operation and Risk Mitigation

Safe operation of the SINAMICS S120 module mandates adherence to all electrical safety standards and proper grounding procedures. Before commissioning, verify that all safety functions, such as safe torque off (STO), are correctly configured and tested. Common operational issues often relate to incorrect parameter settings or inadequate cooling. Monitoring diagnostic messages via the CU320-2 interface can help identify potential faults early. Critical error codes related to overcurrent or overvoltage should be addressed by investigating the power supply and motor load immediately.

Scalability & Long-Term Value

The SINAMICS S120 platform, including the 6SL3720-1TG41-0AA3, offers significant long-term value through its inherent scalability and integration capabilities. It seamlessly interfaces with Siemens' broader automation portfolio, including PLCs and HMI systems, enabling robust Industrial IoT (IIoT) integration for predictive maintenance and performance monitoring. The modular design allows for future upgrades or expansion of drive systems without necessitating a complete overhaul, ensuring a future-proof investment for evolving industrial demands. Compatibility with established Siemens control architectures provides a reliable upgrade path.

Frequently Asked Questions

What are the primary applications for the SIEMENS 6SL3720-1TG41-0AA3?

This high-power module is ideal for heavy industries like metal processing, large pumps, and complex material handling. It excels in applications demanding significant torque and precise speed control.

Its robust design ensures reliable operation even under extreme conditions, making it a preferred choice for critical machinery. The 690V rating suits industrial facilities with higher voltage power distribution.

What are the main advantages of the CIM in this module?

The integrated CIM simplifies wiring and reduces the need for external interface modules. This leads to a more compact and cost-effective control cabinet layout.

It streamlines communication between the motor module and the CU320-2 control unit, ensuring efficient data exchange. This integration enhances system reliability and simplifies troubleshooting.

What are the power and voltage specifications of this SINAMICS S120 module?

The module delivers a substantial 1000kW of power and can handle up to 1025A of current. It is designed for operation on a 690V AC power supply line.

These specifications make it suitable for very large industrial motors and high-demand applications. The high voltage capability is key for efficient power delivery in large facilities.

How does this module integrate with other Siemens automation products?

It integrates seamlessly with Siemens' comprehensive automation ecosystem, including PLCs and HMIs. This allows for unified system design and control.

Utilizing Siemens' TIA Portal software facilitates configuration and diagnostics across the entire automation solution. This ensures efficient engineering and operational management.

What safety features are incorporated into the 6SL3720-1TG41-0AA3?

The module supports essential safety functions like Safe Torque Off (STO). This feature is crucial for immediate emergency stops and personnel protection.

Proper configuration of these safety integrated functions is vital during commissioning. Adherence to safety standards ensures a secure operating environment.

What is the current rating for the SIEMENS 6SL3720-1TG41-0AA3?

The module has a high current rating of 1025A. This allows it to drive very large motors reliably.

This high current capacity is necessary for applications that require substantial torque from the motor. It ensures the module can meet peak load demands.

What is the line voltage requirement for this SINAMICS S120 module?

The module operates with a line voltage of 690V. This is a common high voltage level in many industrial plants.

Using a 690V supply allows for more efficient power transmission in high-power applications. It is important to ensure the power source meets this specification.

What distinguishes the S120 series from other Siemens drive platforms?

The S120 series is known for its high performance, advanced control capabilities, and flexibility. It is particularly well-suited for demanding motion control tasks.

It offers a modular design that allows for customization and scalability for various applications. This makes it a versatile choice for complex automation projects.

What is the role of the CIM in the 6SL3720-1TG41-0AA3?

The CIM (Control Interface Module) acts as the communication interface between the motor module and the CU320-2 control unit. It handles data exchange and control signals.

It simplifies the hardware setup by integrating communication functions directly onto the motor module. This reduces cabling and component count.

How can I ensure optimal thermal management for this module?

Adequate ventilation in the control cabinet is essential. Consider active cooling solutions for demanding, continuous operation.

Proper heat dissipation prevents thermal overload, ensuring consistent performance and extending the module's lifespan. Monitor operating temperatures through diagnostic tools.