SINAMICS S120 is a high-performance modular motion control drive system developed by Siemens. Designed for both single-axis and multi-axis applications, it integrates advanced vector and servo control technologies to deliver high accuracy, dynamic response, and operational flexibility. It is widely used in industrial automation environments requiring precision, reliability, and scalability.
Overview of SINAMICS S120
SINAMICS S120 is ideal for sophisticated drive tasks in plant and machine construction. It supports various motion control applications ranging from simple to highly complex configurations.
Key Features:
- Modular and scalable architecture
- Vector, servo, and V/f control modes
- Multi-axis synchronization
- Power range from 0.12 kW to 5700 kW
- Advanced closed-loop control functions
Modular Components
SINAMICS S120 separates the drive intelligence and power components, which allows for greater system customization and adaptability.
Control Units:
Control Units integrate closed-loop control functions and manage:
- Vector, servo, and V/f control
- Speed and torque regulation
- Multi-axis drive coordination
Power Units:
Power units supply energy and include:
- Power Modules
- Line Modules (Basic, Smart, Active)
- Motor Modules
- Interface Modules
These modules communicate through the DRIVE-CLiQ digital interface, ensuring reliable and simplified connectivity.
Communication & Integration
- Built-in PROFINET and PROFIBUS DP interfaces
- Support for other industrial fieldbus standards
- Easy integration into automation environments
- Seamless compatibility with Siemens low-voltage motors
Cooling & Power Concepts
SINAMICS S120 supports:
- Air-cooled and liquid-cooled systems
- Active and regenerative infeed configurations
- Cabinet module configurations for high-power plant setups (up to 5700 kW)
Benefits of SINAMICS S120 Motion Control Drives
Flexibility
- Adaptable to diverse applications including both centralized and decentralized systems
Safety
- Equipped with SINAMICS Safety Integrated functions for safe stop and motion monitoring
Ease of Use
- User-friendly engineering tools
- Auto-configuration via electronic rating plates
- Intuitive diagnostics and setup
Scalability
- Wide range of power modules and line modules
- Expandable architecture to fit specific drive tasks
Typical Applications
SINAMICS S120 is suitable for a wide range of industries and operations:
| Application Area | Examples |
|---|---|
| Continuous Processing | Wire drawing machines, film lines, paper production |
| Servo Control Applications | CNC machines, packaging machines, robotics |
| General Industry | Textile, plastics, woodworking, ceramics |
| Heavy Industry | Rolling mills, hoisting gear, test benches |
| Marine & Offshore | Marine propulsion systems, offshore cranes |
Motion Quality Classification
SINAMICS selection guide uses an application matrix:
| Application Type | Motion Quality |
| Pumping, Ventilating, Compressing | Basic |
| Moving | Medium |
| Processing | High |
| Machining | High |
Available Models & Order Numbers
| Order Number | Description |
| 6SL3330-7TE32-1AA0 | ALM/EB/FSF/480V/210A |
| 6SL3330-7TE32-1AA3 | SINAMICS S120 ACTIVE LINE MOD 235A |
| 6SL3330-7TE32-6AA0 | ALM/EB/FSF/480V/260A |
| 6SL3330-7TE32-6AA3 | SINAMICS S120 ACTIVE LINE MOD 291A |
| 6SL3330-7TE33-8AA0 | ALM/EB/FSG/480V/380A |
| 6SL3330-7TE33-8AA3 | SINAMICS S120 ACTIVE LINE MOD 425A |
| 6SL3330-7TE35-0AA0 | ALM/EB/FSG/480V/490A |
| 6SL3330-7TE35-0AA3 | SINAMICS ACTIVE LINE MODULE 549A |
Conclusion
SINAMICS S120 offers a robust, scalable, and flexible solution for high-performance motion control tasks across industries. With a wide range of compatible modules, safety functions, and fieldbus integration, it delivers reliable drive performance that can be tailored to your unique application.
Looking to source SINAMICS S120 Drives?
We offer Siemens SINAMICS S120 products for global distribution. Contact us for a quote or more details.
