SIEMENS 6SL3720-1TG31-5AA3 SINAMICS S120 Single Motor Module with CIM for CU320-2 132kW 150A Precision Control 690V

The SIEMENS 6SL3720-1TG31-5AA3 SINAMICS S120 Single Motor Module with CIM for CU320-2 offers unparalleled precision control for demanding industrial applications. This 132kW, 150A module operates at 690V, delivering robust performance and advanced capabilities for single-motor drives. Its integration with the CU320-2 control unit ensures seamless communication and sophisticated motion control.

Product Specifications

| Feature                     | Value                                                              |

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

| Product Number              | 6SL3720-1TG31-5AA3                                                 |

| Product Line                | SINAMICS S120                                                      |

| Module Type                 | Single Motor Module with CIM (Control Interface Module)            |

| Control Unit Compatibility  | CU320-2                                                            |

| Rated Power                 | 132 kW                                                             |

| Rated Current               | 150 A                                                              |

| Rated Voltage               | 690 V                                                              |

| Cooling                     | Air Cooling                                                        |

| Protection Class            | IP20                                                               |

| Communication Interfaces    | PROFINET, PROFIBUS                                                 |

| Dimensions (H x W x D)      | 680 mm x 230 mm x 304 mm (approximate, verify with datasheet)      |

| Weight                      | 30 kg (approximate, verify with datasheet)                         |

| Ambient Temperature Range   | -20 °C to +50 °C (verify with datasheet for specific derating)     |

Core Features & Market Positioning

The SINAMICS S120 platform is renowned for its highly dynamic performance and precise motion control capabilities, positioning the 6SL3720-1TG31-5AA3 as a premium solution for applications demanding accuracy and efficiency. The integrated Control Interface Module (CIM) enhances its versatility, enabling direct communication and advanced diagnostics. Its robust design and comprehensive protection features underscore Siemens' commitment to reliability in harsh industrial environments.

Key Application Scenarios

This module excels in high-performance applications such as main spindle drives in machine tools, complex conveyor systems, and material handling equipment where exact speed and torque control are paramount. Its 690V rating makes it suitable for medium-voltage applications, common in heavy industry, steel production, and large-scale manufacturing. The precision control is crucial for processes requiring consistent product quality and optimized cycle times.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3720-1TG31-5AA3 involves meticulous wiring according to Siemens' guidelines, particularly for the 690V power connections and control signal cabling. Commissioning typically requires the use of Siemens' SIMOTION or SINAMICS Startdrive software for parameterization and drive configuration. Establishing robust communication via PROFINET or PROFIBUS with the CU320-2 controller is essential for optimal performance.

Operation and Risk Mitigation

Safe operation of the SINAMICS S120 module necessitates adherence to all safety directives, including proper grounding and lockout/tagout procedures during maintenance. Common troubleshooting may involve checking motor feedback signals, power supply stability, and communication integrity. Critical fault codes, accessible via the CU320-2 display or diagnostic software, provide specific insights into operational anomalies, enabling swift resolution.

Scalability & Long-Term Value

The SINAMICS S120 series offers inherent scalability, allowing for expansion of motor control capabilities within a unified system architecture. Compatibility with existing Siemens automation platforms ensures a smooth upgrade path for facilities looking to enhance their control systems. Integration with Industrial Internet of Things (IIoT) solutions via PROFINET enables advanced data analytics, predictive maintenance, and remote monitoring, maximizing long-term operational value.

Frequently Asked Questions

What is the primary function of the CIM in the SIEMENS 6SL3720-1TG31-5AA3?

The CIM facilitates essential communication between the motor module and the CU320-2 controller. It handles the digital and analog I/O, as well as the encoder feedback signals. This integration streamlines system setup and diagnostics.

The CIM provides a unified interface for all control and feedback loops associated with the single motor. It ensures efficient data transfer for precise motion control algorithms. This module is key to the S120's advanced functionality.

By centralizing these functions, the CIM reduces wiring complexity and potential points of failure in the drive system. It contributes to the overall robustness and reliability of the SINAMICS S120 solution.

How does the 690V rating benefit industrial applications?

The 690V rating is ideal for medium-voltage industrial environments. It allows for more efficient power distribution in large facilities. This voltage level reduces current draw, leading to smaller cable sizes.

Operating at 690V can lead to significant energy savings in high-power applications. It optimizes the motor's performance characteristics for demanding tasks. This reduces overall operational costs.

This module is well-suited for heavy machinery and plant automation where higher voltage systems are standard. It ensures reliable power delivery for demanding industrial processes.

What are the key advantages of using SIMOTION or SINAMICS Startdrive for commissioning?

These software tools offer a guided commissioning process for the SINAMICS S120. They simplify complex parameterization and drive configuration tasks. This speeds up project timelines significantly.

SIMOTION and Startdrive provide advanced diagnostic capabilities for troubleshooting. They allow for precise tuning of motor control loops. This ensures optimal performance and efficiency.

The software integrates seamlessly with the S120 hardware, enabling efficient engineering and maintenance workflows. It supports creating detailed project documentation and backups.

How does the SINAMICS S120 achieve precision control?

Precision control is achieved through advanced vector control algorithms within the S120. These algorithms manage motor speed and torque with exceptional accuracy. It utilizes high-resolution encoder feedback for closed-loop operation.

The system's high bandwidth and fast response times are critical. They enable rapid adjustments to load changes and dynamic command signals. This ensures smooth and accurate motion profiles.

The integration of the CU320-2 controller provides the necessary processing power. It executes complex motion sequences and synchronization tasks flawlessly.

What safety considerations are paramount when installing this module?

Strict adherence to electrical safety standards is essential. This includes proper grounding of the module and connected motor. Ensure all safety interlocks and emergency stop circuits are correctly wired and tested.

Qualified personnel must perform the installation and maintenance. Follow all local and international electrical codes and regulations. Incorrect installation can lead to equipment damage or severe injury.

Always verify that the power supply is de-energized before performing any work. Use appropriate personal protective equipment (PPE) at all times.

Can the 6SL3720-1TG31-5AA3 be integrated into existing automation systems?

Yes, the SINAMICS S120 platform is designed for broad compatibility. It supports standard industrial fieldbuses like PROFINET and PROFIBUS. This facilitates integration with Siemens PLCs and other control systems.

The module's flexible communication options allow it to connect with various third-party automation hardware. Proper network configuration is key to successful integration. It leverages established communication protocols for data exchange.

This integration capability ensures that the drive can be part of a larger, unified automation solution. It supports modernization projects and system upgrades.

What types of motors are compatible with the SIEMENS 6SL3720-1TG31-5AA3?

The module is primarily designed for asynchronous (induction) and synchronous motors. It supports both standard and high-dynamic servo motors. The specific motor type and its encoder feedback are configured during commissioning.

Ensure the motor's power and current ratings are within the module's specifications. Matching the motor and drive capabilities is crucial for optimal performance and longevity. Refer to motor datasheets for compatibility details.

The SINAMICS S120's advanced control algorithms can adapt to various motor characteristics. This allows for efficient operation across a wide range of motor types.

How do I access diagnostic information from the CU320-2 controller?

Diagnostic information is available through the CU320-2's integrated alphanumeric display. For more detailed analysis, use the SINAMICS Startdrive software or SIMOTION SCOUT. These tools provide comprehensive fault logs and status information.

Error codes and status messages are displayed in real-time on the control unit. They can also be transmitted over the fieldbus to a PLC for remote monitoring. This aids in quick fault identification.

The diagnostic tools allow engineers to track historical fault data. This is invaluable for identifying recurring issues and optimizing system performance.

What is the typical lead time for this product?

Lead times can vary based on current inventory and regional distribution. It is advisable to contact an authorized Siemens distributor or sales representative for the most accurate information. Stock availability often influences delivery times.

Factors such as global supply chain conditions and order volume can impact delivery schedules. Planning purchases well in advance is recommended for critical projects. Expedited shipping options may be available at an additional cost.

Manufacturers often provide estimated lead times on their product pages or through their sales channels. Proactive communication with suppliers is key to securing timely delivery.

What are the benefits of the S120 platform over older drive technologies?

The S120 platform offers significantly higher dynamic performance and precision. It supports advanced control modes for improved efficiency and throughput. Its integrated safety functions enhance operational security.

Compared to older technologies, the S120 boasts greater flexibility and scalability. It integrates seamlessly with modern industrial networks and IIoT concepts. This future-proofs automation investments.

Siemens' S120 drives are engineered for superior reliability and reduced maintenance. They often feature more compact designs and improved energy efficiency.