ETEL DSCDP121-111B-000A Speed Controller – Precision Velocity Control
The ETEL DSCDP121-111B-000A is a high-performance speed controller designed for precision velocity regulation in motion control applications. This controller provides a continuous current of 3 Arms and a peak current of 7.5 Arms, with a maximum current capability of 12.5 A, making it suitable for a wide range of motors and actuators. Its advanced servo algorithms ensure smooth, responsive velocity control across the entire speed range.
This controller is part of ETEL's DSCDP series, known for its robust construction and reliable performance in industrial environments. It is specifically designed for applications requiring precise speed regulation, such as semiconductor processing, electronic assembly, and light industrial automation. The controller's flexible feedback options and communication interfaces enable seamless integration into existing systems.
Key Features
Precise Velocity Control: Advanced algorithms ensure stable and accurate speed regulation.
Current Output: 3 Arms continuous, 7.5 Arms peak, with 12.5 A maximum capability.
Flexible Feedback Support: Compatible with incremental and absolute encoders.
Multiple Control Modes: Supports torque, velocity, and position control.
Integrated Protection: Overcurrent, overvoltage, and overtemperature protection.
Compact Design: Space-saving footprint for integration into dense control cabinets.
Technical Specifications
The DSCDP121-111B-000A operates from a DC bus voltage of 300 to 565 VDC. It delivers a continuous output current of 3 Arms and a peak current of 7.5 Arms for up to 2 seconds, with a maximum current of 12.5 A for short durations. The controller features a high-bandwidth current loop and supports various feedback devices, including incremental encoders, Hall sensors, and sine-cosine encoders.
The unit includes digital I/Os for enable, reset, and general-purpose functions, as well as analog inputs for external velocity or torque commands. Communication interfaces include EtherCAT and CANopen for seamless integration into network-based control systems.
Applications
Semiconductor Equipment: Wafer handling, inspection, and metrology stages.
Electronics Assembly: Pick-and-place machines and wire bonders.
Light Industrial: Conveyor drives, indexing tables, and small automation cells.
Medical Devices: Precision positioning for diagnostic equipment.
Integration and Configuration
ETEL provides comprehensive software tools for commissioning and tuning the DSCDP121-111B-000A. The auto-tuning function automatically identifies motor parameters and sets optimal current and velocity loop gains, significantly reducing setup time. The controller's built-in oscilloscope capability allows engineers to monitor velocity, current, and position signals in real time.
Wiring is simplified through standardized connector interfaces, with clear labeling of all signals. The controller is designed for installation in standard 19-inch racks or on DIN rails.
Benefits
Precision: Accurate velocity control for smooth motion and consistent process results.
Reliability: Robust design and comprehensive protection features minimize downtime.
Flexibility: Supports a wide range of motor types and feedback devices.
Ease of Use: Intuitive software tools simplify commissioning and diagnostics.
Conclusion
The ETEL DSCDP121-111B-000A speed controller is a versatile and reliable solution for precision velocity control. Its combination of precise regulation, flexible feedback, and robust construction makes it an ideal choice for engineers developing high-performance automation systems.




