SIEMENS 6SL3720-1TG35-8AA3 SINAMICS S120 Single Motor Module with CIM for CU320-2 560kW 575A Large Drive Unit 690V
The SIEMENS 6SL3720-1TG35-8AA3 SINAMICS S120 single motor module, a robust 560kW, 575A large drive unit operating at 690V, is engineered for demanding industrial applications. This unit, featuring integrated CIM for CU320-2 control, offers exceptional performance, precise motion control, and advanced diagnostics. Its core advantages lie in its high power density, integrated safety functions, and seamless integration into Siemens automation ecosystems, making it a cornerstone for optimizing complex machinery and processes in sectors like heavy manufacturing, mining, and material handling.
Product Specifications
| Feature | Specification |
|---|---|
| Product Number | 6SL3720-1TG35-8AA3 |
| Product Name | SINAMICS S120 Single Motor Module with CIM |
| Motor Power | 560 kW |
| Continuous Output Current | 575 A |
| Supply Voltage | 690 V |
| Control Unit Compatibility | CU320-2 |
| Drive Unit Type | Large Drive Unit |
| Cooling Method | Air cooling (typically, depending on specific configuration) |
| Protection Rating | Varies by enclosure and specific model, but generally robust for industrial environments. |
| Dimensions | Specific dimensions available in technical documentation; designed for integration into control cabinets. |
Core Features & Market Positioning
The SIEMENS 6SL3720-1TG35-8AA3 SINAMICS S120 stands out in the high-power drive market due to its sophisticated vector control capabilities, ensuring superior dynamic performance and precise speed and torque regulation even under fluctuating loads. Its integrated Control Interface Module (CIM) for the CU320-2 controller streamlines communication and system integration. This drive unit is positioned as a premium solution for applications demanding high reliability, efficiency, and advanced functionality, often replacing multiple smaller drives or less integrated systems. The inherent scalability and robust construction reinforce its value proposition in competitive industrial automation landscapes.
Key Application Scenarios
This large drive unit excels in heavy-duty applications such as large industrial fans, pumps, extruders, and cranes, where consistent power delivery and precise control are paramount. Its 690V rating is ideal for power-intensive operations common in offshore platforms, large-scale manufacturing plants, and mining operations requiring robust and reliable motor control. The SINAMICS S120 platform is frequently employed in material handling systems, conveyor belts, and automated warehousing solutions that demand high torque at low speeds and rapid acceleration/deceleration capabilities.
Practical System Integration Guidance
Integrating the SIEMENS 6SL3720-1TG35-8AA3 requires careful consideration of power supply, motor compatibility, and control network setup. Ensure the 690V supply is stable and meets the module's input requirements. The drive is designed to connect to a CU320-2 control unit, which facilitates parameterization and communication via standard industrial protocols like PROFINET or PROFIBUS. Proper grounding and shielding are essential for electromagnetic compatibility (EMC) and operational safety. Commissioning typically involves configuring motor data, control modes (e.g., V/f, vector control), and safety functions using Siemens TIA Portal software for a seamless engineering experience.
Operation and Risk Mitigation
Safe operation of the SIEMENS 6SL3720-1TG35-8AA3 necessitates adherence to all safety directives and proper training for personnel. Key safety features include integrated safe torque off (STO) and other PROFIsafe functionalities, which can be configured via the CU320-2. Common operational risks include improper parameterization leading to motor damage or process disruption. Fault codes displayed on the control unit or in TIA Portal diagnostics provide crucial information for troubleshooting. Regular maintenance, including checking connections and ensuring adequate cooling, is vital to prevent overheating and premature component failure.
Scalability & Long-Term Value
The SINAMICS S120 platform is renowned for its scalability, allowing for expansion and modification of drive systems as operational demands evolve. This modular design facilitates the integration of additional motor modules or different control units within the same family, providing a future-proof investment. Its compatibility with Siemens' broader automation portfolio, including PLCs and HMIs within the TIA Portal environment, enables seamless integration into Industry 4.0 initiatives and digitalized manufacturing processes, enhancing overall plant efficiency and data-driven decision-making.
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Frequently Asked Questions
1. What is the primary function of the SIEMENS 6SL3720-1TG35-8AA3?
This drive unit controls industrial electric motors. It provides precise speed and torque regulation for demanding applications. Its high power capacity is suited for large machinery.
It serves as a crucial component in automated industrial processes. The module ensures efficient and reliable operation of heavy-duty equipment. Its design prioritizes performance and durability.
The integrated CIM with CU320-2 enables advanced control and communication. This facilitates seamless integration into broader automation systems. It is key for optimizing complex electromechanical systems.
2. Can this SINAMICS S120 module be used with any motor?
The module is optimized for compatible Siemens motors. However, it can control other three-phase AC motors within its power and voltage ratings. Careful motor data parameterization is essential for optimal performance.
It is crucial to match the motor's voltage, current, and power requirements to the drive's capabilities. Incorrect motor selection or configuration can lead to poor performance or damage. Consult the product manual for detailed compatibility guidelines.
The drive's advanced control features allow for adaptation to various motor types and characteristics. Precise tuning ensures the motor operates efficiently and safely. This maximizes the lifespan of both the motor and the drive.
3. What are the key advantages of using a SINAMICS S120 drive unit?
SINAMICS S120 offers superior control precision and dynamic response. Its modular design ensures excellent scalability and flexibility. It also incorporates advanced safety integrated functions for enhanced operational security.
The drive provides high power density and energy efficiency. This contributes to reduced operating costs and a smaller footprint. It is engineered for robust performance in harsh industrial environments.
Seamless integration with Siemens automation platforms simplifies engineering and commissioning. This reduces overall project timelines and costs. The platform supports future-proof connectivity for Industry 4.0.
4. How is the SIEMENS 6SL3720-1TG35-8AA3 commissioned?
Commissioning involves connecting the drive to the control unit and power supply. Parameterization is typically performed using Siemens TIA Portal software. This includes configuring motor data and control settings.
Initial setup involves setting up communication interfaces, such as PROFINET or PROFIBUS. Safety functions like STO must be configured and tested rigorously. Proper grounding and shielding are critical for EMC.
After basic parameterization, a test run is performed. Fine-tuning of control loops may be necessary to achieve optimal performance based on the application's specific requirements. System diagnostics are used to verify correct operation.
5. What kind of safety features are integrated into this drive unit?
The SIEMENS 6SL3720-1TG35-8AA3 supports integrated safety functions. This includes Safe Torque Off (STO), a fundamental safety mechanism. Other PROFIsafe-enabled safety functions can be implemented.
STO prevents unintended motor motion by safely disabling torque. This is crucial for personnel safety during maintenance or emergency stops. These functions are configured and managed through the CU320-2 control unit.
The drive's safety capabilities contribute to meeting stringent industrial safety standards. This reduces the need for external safety relays in many applications. It simplifies the overall safety concept of a machine.
6. What are common fault codes for SINAMICS S120 drives?
Common fault codes relate to overcurrent, overvoltage, or undervoltage conditions. Motor-related faults, such as short circuits or over-temperature, are also frequent. Communication errors between the drive and control unit can occur.
Specific codes like F001, F002, or F003 often indicate power supply issues. Motor thermal overload might be indicated by codes such as F007. Short circuits are typically flagged by higher numbered faults.
Detailed explanations of each fault code and troubleshooting steps are available in the SINAMICS S120 system manual. The TIA Portal diagnostic viewer provides comprehensive error logging and analysis. Always consult the official documentation for accurate fault interpretation.
7. How does this drive contribute to energy efficiency?
The drive's efficient power electronics and advanced control algorithms minimize energy losses. It allows for precise speed control, enabling motors to operate at optimal efficiency points. Regenerative capabilities can return energy to the grid.
By precisely matching motor speed to load demand, the drive avoids unnecessary energy consumption. This is particularly beneficial in applications with variable load profiles, such as pumps and fans. It significantly reduces the overall energy footprint of the machinery.
Furthermore, features like low-power standby modes and optimized switching strategies further enhance energy savings. The ability to monitor energy consumption through integrated diagnostics also aids in identifying areas for improvement.
8. What is the role of the CIM in this module?
The CIM (Control Interface Module) acts as the communication bridge. It connects the power module to the CU320-2 control unit. This ensures seamless data exchange for control and diagnostics.
It enables the integration of advanced control functions and safety features. The CIM translates commands from the CU320-2 into actions for the power section. It also relays status information back to the controller.
The CIM's presence simplifies the overall drive system architecture. It allows for a more compact and integrated design compared to separate components. This modular approach enhances reliability and ease of maintenance.
9. Is the SIEMENS 6SL3720-1TG35-8AA3 compatible with Industry 4.0 solutions?
Yes, the SINAMICS S120 platform is designed for Industry 4.0 integration. It supports digital communication protocols like PROFINET, enabling data exchange with higher-level systems. This facilitates real-time monitoring and analytics.
The drive can be integrated with IIoT platforms for predictive maintenance and performance optimization. Its advanced diagnostics provide valuable data for process improvement and asset management. This enables smart manufacturing capabilities.
Siemens' TIA Portal environment streamlines connectivity to cloud solutions and digital twins. This allows for comprehensive digital integration across the entire automation landscape. It supports the development of smart factories.
10. What are the typical maintenance requirements for this drive unit?
Regular visual inspections for dust accumulation and loose connections are recommended. Ensure cooling vents are clear and fans are operational to prevent overheating. Periodic checks of electrical connections for signs of corrosion or wear are important.
Software updates for the control unit and firmware for the drive module should be managed. Running diagnostics through TIA Portal can help identify potential issues before they lead to failure. Follow manufacturer guidelines for lubrication or replacement of any moving parts.
Routine performance checks can verify that the drive is operating within specified parameters. Scheduled preventive maintenance, based on operating hours or environmental conditions, will maximize the drive's lifespan and operational reliability.
