Siemens 6SL3120-2TE21-8AA3

Brand：Siemens
Model：6SL3120-2TE21-8AA3

Inventory situation: Goods are available in stock.

application scenarios

1. Packaging Machinery
In packaging lines, the Siemens 6SL3120-2TE21-8AA3 ensures seamless coordination of dual motors for tasks like filling, sealing, and labeling. Its electronic cam disc technology enables rapid format changes without mechanical adjustments, reducing downtime and increasing flexibility for small-batch production . The module's optimized pulse pattern delivers smooth motor operation, critical for maintaining product quality in high-speed applications like cartoning or blister packaging. For example, it synchronizes conveyor belts and cutting tools to achieve ±0.1mm precision in label placement, minimizing material waste.

2. Textile Manufacturing
Textile machines, such as weaving and spinning systems, rely on the 6SL3120-2TE21-8AA3 for precise tension control across multiple rollers. The module's dual-axis capability allows simultaneous management of drive and brake motors, ensuring consistent yarn quality during winding or dyeing processes. Its dynamic response (up to 150% overload for 60 seconds) handles sudden load changes caused by fabric thickness variations, preventing thread breakage and improving overall efficiency . Additionally, the integrated safety functions (e.g., Safe Standstill) comply with SIL2 PLd standards, protecting operators during maintenance.

3. Material Handling Systems
Warehouse automation and conveyor systems benefit from the 6SL3120-2TE21-8AA3's energy-efficient design. It controls dual motors in cranes, AGVs (Automated Guided Vehicles), and sorting systems, optimizing acceleration/deceleration profiles to reduce power consumption by up to 30%. The module's integrated braking chopper recovers energy during deceleration, further lowering operational costs. In logistics centers, it ensures smooth pallet transfers between conveyors, minimizing product damage and improving throughput .

4. Automotive Production
In assembly lines, the 6SL3120-2TE21-8AA3 drives robot arms and positioning tables with high dynamic responsiveness. Its PROFINET connectivity integrates seamlessly with PLCs (e.g., SIMATIC S7-1500), enabling real-time coordination of multiple robots during tasks like welding or part insertion. The module's compact Booksize D-type design saves space in control cabinets, crucial for crowded automotive factories. For example, it powers two servo motors in a car door assembly station, ensuring ±0.5mm alignment accuracy for hinge mounting .

Specifications

Rated input voltage	3AC 380V - 480V ±10%
Input frequency	47Hz - 63Hz
Rated output current	8A
Overload capacity	150% of the rated current (for 60 seconds)
Suitable motor power	4kW - 5.5kW
Communication interfaces	Drive-Cliq, PROFIBUS/PROFINET
Dimensions	70mm × 200mm × 230mm (Width × Height × Depth)
Protection level	IP20

Product features

The 6SL3120-2TE21-8AA3 is a Siemens SINAMICS S120 series dual motor module. The 6SL3120-2TE21-8AA3 book-type single motor drive is a key component of the Siemens SINAMICS S120 series, designed for high-precision and high-response motor control in industrial automation situations.

The module has a rated input voltage range of 3AC 380V - 480V ±10%, allowing for power fluctuations in different areas and operational situations. The 6SL3120-2TE21-8AA3 enables stable operation, preventing equipment failures due to voltage anomalies and ensuring production continuity.

The Siemens 6SL3120-2TE21-8AA3 interfaces directly to Siemens 1FK7/1FT7 servo motors via the Drive-Cliq interface. It achieves ±0.01° angle resolution, ensuring micron-level precision for robotic arm joints and spindles. The Drive-Cliq interface enables fast and reliable connection with other Siemens drive components.

The Siemens 6SL3120-2TE21-8AA3's book-type shape, measuring 70mm × 200mm × 230mm (W × H × D), saves space and enables for flexible installation. It integrates neatly into ordinary electrical cabinets, providing a stable and dependable power source for CNC machine tools, industrial robots, packaging production lines, and other equipment.

FAQ

Q: Is the Siemens 6SL3120-2TE21-8AA3 module suitable for frequently starting and stopping stamping equipment with a 150% overload for 60 seconds?

A: The 6SL3120-2TE21-8AA3 can be utilized in stamping equipment with a continuous load rate of ≤60% and minimal starting and stopping, but it poses a substantial reliability risk. Prioritize the G120C series or dedicated stamping drives and do dynamic load testing to ensure the solution's practicality.

Q: Does the Siemens 6SL3120-2TE21-8AA3 need to be derated in a high-temperature environment of 60°C? What is the continuous output current after derating?

A: The design specifications of the Siemens 6SL3120-2TE21-8AA3 and common standards for industrial frequency converters demand derating in a high-temperature environment of 60°C. In a 60°C environment, the continuous output current must be lowered to 6.4A, with a short-term overload current of 9.6A (for 60 seconds). To ensure long-term steady operation, heat dissipation conditions should be improved or the equipment upgraded.

Q: Can device status data be uploaded to the MES system via OPC UA?

A: Yes, device status data from the Siemens 6SL3120-2TE21-8AA3 can be uploaded to the MES system via OPC UA.

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