SIEMENS 6SL3720-1TE41-4AA3 SINAMICS S120 Single Motor Module with CIM for CU320-2 800kW 1405A Maximum Output 400V

The SIEMENS 6SL3720-1TE41-4AA3 SINAMICS S120 Single Motor Module with CIM for CU320-2 is a high-performance drive solution engineered for demanding industrial applications. This module boasts a substantial 800kW power output and a maximum output current of 1405A at 400V, making it suitable for the most robust motor control requirements. Its integration with the CU320-2 Control Unit and the Communication Interface Module (CIM) ensures seamless connectivity and advanced control capabilities, facilitating precise and efficient operation across a wide range of industrial machinery. The SINAMICS S120 platform is renowned for its flexibility, reliability, and advanced technological features, positioning this specific module as a top-tier choice for critical drive systems.

Product Specifications

| Feature                     | Specification                                      |

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

| Product Number              | 6SL3720-1TE41-4AA3                                 |

| Product Family              | SINAMICS S120                                      |

| Module Type                 | Single Motor Module with CIM                       |

| Control Unit Compatibility  | CU320-2                                            |

| Rated Power Output          | 800 kW                                             |

| Maximum Output Current      | 1405 A                                             |

| Supply Voltage              | 400 V                                              |

| Communication Interface     | CIM (Control and Information Module)               |

| Cooling Method              | Integrated air cooling (typical for this series) |

| Protection Rating           | IP20 (typical for this series)                     |

Core Features & Market Positioning

The SIEMENS 6SL3720-1TE41-4AA3 stands out in the industrial automation market due to its exceptional power density and robust design, catering to applications where reliability and performance are paramount. Its integration with the CU320-2 control unit provides access to advanced functions such as Safety Integrated, motion control capabilities, and sophisticated diagnostic tools, setting it apart from less integrated or lower-power solutions. The module's ability to handle high currents and voltages with precision makes it a preferred choice for heavy-duty machinery in sectors like material handling, metal processing, and advanced manufacturing, where downtime is costly and operational efficiency is critical. This focus on comprehensive control and integrated safety features underscores Siemens' commitment to providing holistic drive solutions that enhance productivity and operational safety.

Key Application Scenarios

This SINAMICS S120 motor module is ideally suited for high-power applications requiring precise speed and torque control, such as large pump and fan drives in industrial plants, heavy-duty conveyor systems, and critical machinery in the paper and printing industries. Its capacity to manage 800kW and 1405A makes it a perfect fit for extruders, mixers, and presses where continuous, high-torque operation is essential. Furthermore, the module's advanced features are beneficial in automated production lines and complex motion control tasks in the automotive and aerospace manufacturing sectors. The integration with the CU320-2 control unit also facilitates its use in applications demanding synchronized motion, positioning tasks, and integrated safety functions, ensuring operational safety and process integrity.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3720-1TE41-4AA3 into a SINAMICS S120 system involves careful planning regarding power distribution, cooling, and control network setup. The CU320-2 control unit, to which this motor module connects, typically requires a separate power supply and is networked with other drive components and the central PLC via PROFINET or PROFIBUS. For optimal performance and longevity, ensure adequate ventilation around the module to manage heat dissipation, especially under heavy load conditions; refer to the official Siemens documentation for specific clearance requirements. Parameterization of the drive is performed using software tools like STARTER or SCOUT, where motor data, control modes, and safety functions are configured. The CIM facilitates communication, so ensure its correct configuration for the chosen network protocol.

Operation and Risk Mitigation

Safe and efficient operation of the SIEMENS 6SL3720-1TE41-4AA3 SINAMICS S120 module relies on adherence to established safety protocols and proper parameterization. Always ensure that the motor and drive are appropriately rated for the intended application and that all safety guards and interlocks are functional before energizing the system. Key operational parameters to monitor include motor temperature, current draw, and voltage levels; deviations from normal operating ranges can indicate potential issues. Common troubleshooting steps involve checking power supply integrity, verifying control signal connections, and reviewing drive faults via the CU320-2's diagnostic interface or connected HMI. Error codes provided by the SINAMICS system offer valuable insights into fault causes, guiding corrective actions. Regular preventive maintenance, including cleaning of ventilation paths and inspection of electrical connections, is crucial for minimizing operational risks and ensuring system reliability.

Scalability & Long-Term Value

The SINAMICS S120 platform, including the 6SL3720-1TE41-4AA3 module, is designed with scalability and long-term value in mind. Its modular architecture allows for easy expansion and adaptation to evolving production needs; additional motor modules or different control units can be integrated into existing SINAMICS S120 configurations, enabling upgrades or the extension of capabilities without a complete system overhaul. Compatibility with Siemens' broader automation ecosystem, including PLCs like SIMATIC S7 and HMI panels, ensures seamless integration into Industrial Internet of Things (IIoT) environments and digitalized manufacturing solutions. This interoperability supports advanced data acquisition, predictive maintenance strategies, and overall plant optimization, securing the investment and enhancing the long-term return on automation.

FAQs

What are the primary applications for the SIEMENS 6SL3720-1TE41-4AA3?

This high-power module excels in demanding industrial tasks. It's ideal for heavy machinery like large pumps and fans. Applications include metal processing and advanced manufacturing operations.

It is well-suited for complex automated production lines. Critical areas include automotive and aerospace manufacturing. The drive provides precise speed and torque control.

Its robust design handles continuous high-torque demands. Think extruders, mixers, and industrial presses. The module ensures operational integrity in critical processes.

How is the SIEMENS 6SL3720-1TE41-4AA3 commissioned?

Commissioning involves meticulous parameter configuration. Use Siemens STARTER or SCOUT software for this. Motor data, control modes, and safety features are set.

Power supply and control network setup are crucial. Ensure proper connection to the CU320-2 control unit. Verify communication protocols like PROFINET.

Thorough testing under various load conditions is essential. Monitor diagnostics for any anomalies. Follow all safety guidelines during the process.

What are common troubleshooting steps for this module?

First, check the integrity of the power supply. Verify all electrical connections are secure. Ensure the control signals are correctly wired.

Next, access the drive's fault log via the CU320-2. Analyze error codes for specific fault indications. Refer to Siemens documentation for code meanings.

Common issues can be related to overheating or overload. Ensure adequate cooling and correct motor/drive sizing. Reset faults after addressing the root cause.

Can this module be integrated with other Siemens automation products?

Yes, this module is part of the SINAMICS S120 platform. It integrates seamlessly with SIMATIC S7 PLCs. Compatibility extends to Siemens HMI panels.

This integration facilitates a unified automation solution. It enables data exchange across the plant. Digitalization and IIoT integration are readily supported.

This interoperability enhances system efficiency. It allows for centralized control and monitoring. Future upgrades and expansions are simplified.

What are the safety features of the SINAMICS S120 S120 drive system?

The SINAMICS S120 platform supports Safety Integrated functions. This includesSTO (Safe Torque Off). It also supports SS1 (Safe Stop 1) and others.

These safety functions help prevent dangerous machine movements. They are integrated directly into the drive. This reduces the need for external safety components.

Proper configuration and adherence to safety standards are vital. Always consult the relevant safety manuals. Ensure all safety requirements are met.

How does the CIM enhance the functionality of this module?

The CIM, or Control and Information Module, is essential for communication. It enables connectivity to industrial networks like PROFINET. This allows for real-time data exchange with controllers.

It facilitates advanced diagnostics and status monitoring. The CIM provides crucial information for process control. It bridges the gap between the drive and the automation system.

This module ensures efficient data transfer and integration. It supports flexible network topologies. The CIM is key to system-wide communication.

What is the recommended ambient temperature range for operation?

Siemens typically specifies an operating temperature range for SINAMICS drives. For the S120 series, this is often around 0°C to 45°C. Always consult the specific datasheet.

Considerations for higher ambient temperatures include derating. Reduced power output or increased cooling might be necessary. Ensure proper ventilation clearances.

Extreme temperatures can lead to faults or component damage. Adhering to the specified range ensures reliability. Plan installations in controlled environments.

How is motor identification performed for the 6SL3720-1TE41-4AA3?

The drive performs an automatic motor identification process. This optimizes control parameters for the connected motor. It requires the motor to be connected and energized.

The process involves running the motor at low speeds. It measures motor characteristics like inductance and resistance. This data is critical for precise torque and speed control.

Ensure the motor is securely coupled during identification. Avoid performing identification under full load conditions. Parameterize motor data manually if auto-ID fails.

What type of cooling does this module utilize?

The SIEMENS 6SL3720-1TE41-4AA3 typically features integrated air cooling. This relies on internal fans and heat sinks. It's designed for standard industrial environments.

For applications with higher ambient temperatures or extreme duty cycles, enhanced cooling solutions might be needed. This could involve external fans or forced ventilation. Consult the product manual for specifics.

Proper ventilation around the module is crucial. Ensure adequate clearance to prevent airflow obstruction. This maintains optimal operating temperatures.

What is the maximum permissible line voltage fluctuation?

SINAMICS S120 drives are designed to tolerate certain voltage fluctuations. The allowable range is typically within ±10% of the nominal 400V supply. However, consult the exact product manual for precise limits.

Significant voltage deviations can impact performance and reliability. Voltage sags or swells can trigger protective shutdowns. Stable power quality is always recommended for industrial automation.

If your power grid experiences frequent fluctuations, consider power conditioning equipment. This includes voltage stabilizers or UPS systems. This protects the drive and the driven machinery.