ETEL DSO-PWS111-000 Power Supply Module – Reliable DC Power
ETEL’s DSO-PWS111-000 is a high‑performance power supply module purpose‑built for motion control systems. It converts AC mains into a regulated DC bus voltage, providing clean and stable energy to servo amplifiers, linear motors, and other drive components. This module is an essential building block for industrial automation, ensuring that connected devices operate at peak efficiency without power‑related disturbances.
The DSO-PWS111-000 stands out for its rugged design and intelligent control. It incorporates advanced switching technology to achieve high power conversion efficiency, reducing heat generation and energy costs. The module is also equipped with overvoltage, overcurrent, and short‑circuit protection, safeguarding both the power supply and the downstream electronics. Its compact form factor allows for space‑saving installation in control cabinets, while the standardized interface simplifies connection to ETEL servo amplifiers and third‑party drives.
Key Features
High Efficiency: Up to 95% conversion efficiency minimizes energy loss and cooling requirements.
Wide Input Range: Accepts 200–480 VAC, 50/60 Hz, making it compatible with global power grids.
Stable DC Output: Low ripple and tight voltage regulation ensure consistent performance for sensitive servo loops.
Integrated Protection: Overvoltage, undervoltage, overcurrent, overtemperature, and short‑circuit protection.
Active Power Factor Correction: Reduces harmonic distortion and improves power quality.
Parallel Operation: Multiple units can be connected in parallel for higher power capacity or redundancy.
Technical Specifications
The DSO-PWS111-000 delivers a nominal DC output voltage of 565 VDC (adjustable), with a continuous output power of up to 3 kW. Its peak power capability supports short‑term overloads typical of servo acceleration phases. The module includes a built‑in fan for forced air cooling, with thermal monitoring to prevent overheating. Electrical connections are made via screw terminals, and the unit meets stringent EMC standards for industrial environments. An optional external brake resistor can be connected to handle regenerative energy from decelerating motors.
Applications
This power supply is ideal for:
Servo Drive Systems: Providing DC bus voltage to multiple ETEL DSC2 or DSB2 amplifiers.
Linear Motor Stages: Powering high‑force linear motors in semiconductor and machine tool applications.
Robotic Cells: Supplying clean power to robot controllers and auxiliary axes.
Test and Measurement Equipment: Ensuring stable power for precision positioning stages.
Installation and Integration
Mounting the DSO-PWS111-000 is simple with its DIN‑rail or panel‑mount options. The module includes LED status indicators for power on, output ready, and fault conditions, simplifying diagnostics. Communication interfaces such as relay outputs allow integration into higher‑level control systems for remote monitoring and shutdown. ETEL provides detailed application notes for calculating power requirements and selecting appropriate cable sizes and fuses.
Benefits
Using the DSO-PWS111-000 brings several advantages:
Enhanced System Reliability: Stable DC voltage prevents drive faults and improves motion quality.
Energy Savings: High efficiency reduces operational costs and environmental impact.
Simplified Design: All‑in‑one solution eliminates the need for external filters and transformers.
Global Compliance: CE, UL, and RoHS certified for use in regulated markets.
Conclusion
The ETEL DSO-PWS111-000 power supply module is a reliable, efficient, and safe choice for powering modern motion control systems. Its robust construction, comprehensive protection, and ease of integration make it a valuable component for OEMs and system integrators seeking high uptime and performance. Whether for a single‑axis stage or a multi‑axis machine, this power supply ensures that your drives receive the clean energy they need to deliver precision and speed.
