3SU1801-0NA00-2AC2 SIEMENS

A SIEMENS Servo Controller—commonly represented by the SINAMICS series such as SINAMICS S120, S210, or V90—is a high-performance drive system engineered for precise position, speed, and torque control of electric motors. It serves as the intelligent unit that processes control signals from high-level automation systems (such as SIMATIC S7 PLCs or motion controllers) and delivers power to servo motors. By integrating advanced closed-loop control algorithms, high-speed fieldbus communications, and integrated safety functions, Siemens servo controllers enable precise dynamic response and synchronization in modern automated machinery.

Product Specifications

• Line Supply Voltage: Single-phase 200 V to 240 V AC, three-phase 200 V to 480 V AC, or 380 V to 690 V AC depending on the series and power class.

• Power Output Range: Covers from fractional kilowatt units (0.1 kW) up to multi-megawatt systems for heavy industrial setups.

• Control Modes: Supports Position Control (IPos), Speed Control, Torque Control, and synchronized multi-axis control via motion control technology objects.

• Encoder Feedback Support: Accepts incremental encoders, absolute encoders (Singleturn/Multiturn via DRIVE-CLiQ, ENDAT 2.2, or SSI), and resolvers.

• Communication Interfaces: Built-in PROFINET (with IRT for real-time motion control), PROFIBUS DP, EtherNet/IP, or CANopen protocols.

• Integrated Safety Functions: Features Safety Integrated including Safe Torque Off (STO), Safe Stop 1/2 (SS1/SS2), Safely-Limited Speed (SLS), and Safe Direction (SDI).

• Overload Capacity: Typically supports up to 300% overload for short durations to enable rapid acceleration and dynamic response.

• Ambient Operating Conditions: 0°C to +40°C nominal operating temperature (derating available up to +55°C), with IP20 enclosure rating for cabinet mounting.

Key Product Advantages

• High Precision and Dynamic Response: Advanced control algorithms ensure extremely fast response times, tight dynamic accuracy, and minimal steady-state position error.

• Seamless TIA Portal Integration: Fully integrated into the Totally Integrated Automation (TIA) Portal software framework, streamlining engineering, commissioning, diagnostics, and parameter backup.

• Energy Efficiency: Offers active line modules capable of regenerative braking, returning excess kinetic energy to the power grid rather than dissipating it as heat.

• Comprehensive Safety Integrated: Hardware-integrated safety functions reduce the need for external safety relays and complex physical wiring while fulfilling strict machinery safety standards.

• Scalable Architecture: Available in single-axis compact formats or modular multi-axis systems sharing a common DC bus to optimize cabinet footprint and energy balance.

Important Operational Considerations

• Thermal Management: Adequate cabinet ventilation and spatial clearance must be provided to dissipate thermal losses and prevent drive tripping due to overtemperature.

• EMC and Grounding Practices: High-frequency switching of IGBT power stages requires strict adherence to electromagnetic compatibility guidelines, including shielded motor cables and low-impedance bonding.

• Braking Energy and Resistors: When operating without regenerative line modules, external braking resistors must be properly sized to handle back-EMF energy during rapid deceleration.

• Motor Parameter Matching: Correct motor data and encoder line counts must be configured in the drive parameters to avoid instability, high current spikes, or uncontrollable motion.

• Power Supply Quality: Voltage spikes, phase loss, or severe line dips can lead to drive faults; line reactors or line filters are recommended to maintain power quality and compliance.

Industrial Applications

• Packaging Machinery: Drives high-speed labeling, rotary cutting, wrapping, and pick-and-place operations requiring exact multi-axis motion synchronization.

• CNC Machine Tools and Metalworking: Provides high-precision axis feed control and spindle regulation in milling, turning, and cutting centers.

• Robotics and Handling Systems: Powers multi-axis gantry robots, articulated arms, and automated storage and retrieval systems (ASRS).

• Printing and Converting Equipment: Regulates precise web tension and print registration across high-speed rolling paper, film, and flexible packaging lines.

• Automotive Manufacturing: Applied in assembly conveyors, welding positioners, and stamping press feeds for repeatable, heavy-duty positioning.