6SL3120-2TE21-8AD0 SINAMICS S120 Double Motor Module High Density Servo Drive

The 6SL3120-2TE21-8AD0 is a SINAMICS S120 Double Motor Module designed for high-density multi-axis servo motion systems.

This Booksize drive module integrates two motor channels into a compact housing, providing efficient axis control for machines requiring high installation density and flexible motion configuration.

Compared with lower current dual-axis modules, the 6SL3120-2TE21-8AD0 is designed for applications requiring increased output capability while maintaining a space-saving modular structure.

The module supports coordinated control of two servo axes and can be combined with compatible control units, line modules and motors to build scalable motion systems.

Its compact dual-channel design helps reduce cabinet space and simplify wiring in advanced automation equipment.

Key Features

• SINAMICS S120 Double Motor Module
• Dual-axis servo motor control
• High-density Booksize design
• 18 A / 18 A dual output channels
• Compact cabinet installation
• Modular multi-axis system integration
• Internal air cooling
• Suitable for demanding servo applications

Typical Applications

• CNC machines
• Robotics equipment
• Packaging systems
• Assembly machines
• Automation lines

System Function

The 6SL3120-2TE21-8AD0 provides motor-side power control for two servo axes.

Main functions:

• Dual-axis motion control
• Servo motor power management
• Synchronized axis operation
• Drive system expansion

Drive System Integration

The module is typically combined with:

• Control Unit
• Line Module
• Servo motors
• Additional drive modules

It is not a standalone frequency converter.

High Density Dual Axis Design

The integrated dual motor structure provides:

• Higher axis density
• Reduced cabinet footprint
• Simplified wiring layout
• Flexible machine design

Replacement Identification

Model

6SL3120-2TE21-8AD0

Configuration

Product Type

Double Motor Module

Axis Control

Two Servo Axes

Current Rating

18 A / 18 A

Format

Booksize

Protection

IP20

Before replacement, confirm:

• Exact model number
• Current rating
• Motor requirements
• Complete system configuration

Installation Guidelines

Disconnect power before installation.

Check module compatibility.

Verify DC link connections.

Confirm cabinet cooling.

Load correct parameters.

Test both motor axes after installation.

FAQ

Q1: What is 6SL3120-2TE21-8AD0?

A1: It is a SINAMICS S120 Double Motor Module for controlling two servo motor axes.

Q2: Is it a complete servo drive?

A2: No. It is a motor module used in a modular motion system.

Q3: What makes this model different?

A3: It provides higher axis density with dual motor control in a compact Booksize format.

Q4: How many axes can it control?

A4: It can control two independent servo motor axes.

Q5: What design format does it use?

A5: It uses the Booksize modular design.

Q6: Where is it commonly used?

A6: It is used in CNC machines, robotics and industrial automation systems.

Q7: What components are required with this module?

A7: A compatible control unit, line module and servo motors are required.

Q8: Can it operate independently?

A8: No. It must be integrated into a complete SINAMICS S120 drive system.