ETEL DSCDP131-111-000 Dual Position Controller – Precision Positioning

The ETEL DSCDP131-111-000 is a sophisticated dual-axis position controller designed to deliver superior accuracy and repeatability in demanding motion control environments. This controller is part of the DSCDP series, known for its advanced servo loop performance and flexible configuration. It provides dedicated position control loops for two independent axes, making it ideal for applications such as alignment, scanning, and dual-stage positioning.

Built with high-resolution feedback processing in mind, the DSCDP131-111-000 can handle incremental, absolute, and sine-cosine encoders with high interpolation factors, achieving sub-micron positioning accuracy. Its robust digital signal processing ensures low following errors and excellent disturbance rejection, critical for semiconductor inspection and advanced metrology systems.

Key Features

• Dual-Axis Positioning: Independent control loops for two axes with cross-axis synchronization.

• High-Resolution Feedback: Supports up to 2^32 counts per revolution or nanometer-level linear resolutions.

• Advanced Motion Profiles: Provides S-curve, trapezoidal, and point-to-point profile generation.

• Diagnostic Capabilities: Real-time monitoring of position error, velocity, and torque.

• Communication Flexibility: Integrated EtherCAT, PROFINET, and USB interfaces.

Technical Specifications

The controller operates on a 24 VDC logic supply and interfaces with external power stages via a high-speed data bus. Each axis supports control loop update rates up to 4 kHz, ensuring tight regulation. The unit includes 16 digital I/Os and 4 analog inputs for user-defined functions. Memory capacity accommodates up to 1000 motion blocks for sequence storage and standalone operation. The housing is designed for DIN-rail mounting with IP20 protection.

Applications

• Wafer Inspection: Precision stage control for optical and electron beam tools.

• Flat Panel Display: Substrate alignment and bonding processes.

• Coordinate Measuring Machines: High-accuracy probing and scanning.

• Laser Micromachining: Galvanometer and linear stage coordination.

Configuration and Tuning

ETEL provides a comprehensive software environment for configuring the DSCDP131-111-000. The auto-tuning feature analyzes the mechanical system and automatically calculates optimal gains for the position, velocity, and current loops. The controller also supports advanced filtering, such as notch filters, to compensate for mechanical resonances, ensuring stable operation across the entire speed range.

Benefits

• Unmatched Accuracy: Achieves the tightest tolerances required for cutting-edge manufacturing.

• Increased Productivity: Fast settling and high throughput.

• Flexibility: Adaptable to various motor types and feedback devices.

• Easy Diagnostics: Real-time data logging aids in machine optimization.

Conclusion

The ETEL DSCDP131-111-000 dual position controller provides the precision and flexibility needed for the most challenging positioning applications. Its robust architecture, advanced algorithms, and seamless integration capabilities make it a foundational component for next-generation precision machinery.