Overview
Manuals
Principle
Application
Compatibility
Features:
- SINAMICS S120 Double Motor Module
- Input: 600 V DC output: 400 V 3 AC, 9 A/9 A
- Booksize internal air cooling optimized pulse patterns and support of the extended Safety Integrated functions
The Siemens 6SL3120-2TE21-0AA4 is a high-performance drive module designed for controlling two independent motor axes in SINAMICS S120 motion control systems. Its primary function is to convert DC bus power to a controllable AC output, thereby driving servo or induction motors with high precision. Supporting dual-axis operation, the 6SL3120-2TE21-0AA4 enables synchronous or independent motion control, making it particularly suitable for complex automation systems such as CNC machine tools, robots, and high-speed production lines.
The module also integrates protection functions such as overcurrent, overvoltage, and overheat monitoring, as well as diagnostic functions to aid in commissioning and maintenance. These features make the 6SL3120-2TE21-0AA4 an ideal solution for industrial environments with demanding requirements for high availability and precise control.
The 6SL3120-2TE21-0AA4 Siemens Double Motor Module may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6SL3120-2TE21-0AA4 Double Motor Module manual(Datasheets), Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The 6SL3120-2TE21-0AA4 operates based on power electronic conversion and closed-loop control technology. This module receives DC voltage from a common DC bus and uses Insulated Gate Bipolar Transistor (IGBT) technology to generate pulse width modulation (PWM) AC outputs for each motor channel. Feedback signals from encoders or sensors are continuously processed to monitor the motor's speed, position, and torque.
Multi-axis Motion Control: Crucial for mechanical equipment requiring strictly synchronized movement of multiple axes, such as robotic arms, CNC machine tools, and conveyor systems.
Production Machinery: Widely used in packaging, printing, and textile machinery to manage cyclic processes through fast, precise closed-loop position control.
Material Handling: Used in cranes, lifts, and elevators for efficient motor management and reliable lifting/traveling drives.
Precision Manufacturing: Controlling complex tasks on machine tools (milling, drilling, cutting) and automated assembly lines.
Control System: Seamlessly integrates with SIMATIC S7 PLC and SINUMERIK CNC controllers via Siemens TIA Portal.
Subsequent Product Information: This module is a "book-sized" component and is now largely discontinued; its direct successor in modern designs is the 6SL3120-2TE21-0AD0.