ETEL DSO Series Modules: DSO-PWR111C-000A

Technical Dossier

Product Details And Specifications

ETEL DSO Series: Comprehensive Module Range and Technical Overview

The ETEL DSO (Digital Servo Drive) series is a rack-mounted motion control platform engineered for high-precision, high-dynamics servo applications in heavy industrial environments. Deployed extensively in semiconductor manufacturing equipment, precision machine tools, medical imaging systems, and industrial robotics, the DSO series occupies a critical position in facilities where sub-micron positioning accuracy and deterministic real-time control are non-negotiable requirements. Its modular rack architecture allows system integrators to configure multi-axis motion controllers with centralized power distribution, distributed I/O, and high-speed communication — all within a single 19-inch rack enclosure. The DSO-PWR111C-000A specifically serves as the rack-level DC power supply module, providing regulated bus voltage to co-resident DSO axis and controller modules.

The Evolution of DSO Series Architecture

The ETEL DSO platform was introduced as a successor to earlier analog servo drive architectures, transitioning to fully digital field-oriented control (FOC) with real-time EtherCAT and proprietary ETEL bus communication. Early DSO generations relied on parallel backplane communication with dedicated axis cards interfacing directly to ETEL's motion controllers (e.g., DMD series). Subsequent revisions introduced higher-density power modules, expanded I/O channel counts per slot, and improved thermal management through forced-air cooling architectures. The DSO-PWR111C-000A represents a mature revision within this lineage, featuring a regulated DC output rail compatible with both legacy and current-generation DSO axis modules. Compatibility across DSO generations is constrained by backplane connector pinout revisions — integrators must verify rack generation (DSO-RACK-x) against module firmware revision before substitution. As of 2026, the DSO series is in a mature/end-of-active-production phase; ETEL has transitioned new design-ins to the DSMAX and EPOS4 platforms. However, the installed base of DSO systems in long-lifecycle industrial equipment (semiconductor fabs, synchrotron beamlines, precision grinding machines) ensures continued demand for spare modules and lifecycle extension support through specialist distributors.

DSO Series Full Catalog & Functionalities (SKU List)

The following SKUs represent the core module types within the ETEL DSO rack system, classified by functional category. All models listed are verified DSO-series components.

Power Supply Modules

• DSO-PWR111C-000A: Rack DC power supply module; regulated bus voltage distribution for DSO axis and controller slots.
• DSO-PWR112C-000A: High-current variant power supply; supports higher aggregate axis current demand in fully populated racks.
• DSO-PWR100-000A: Base-generation rack power module; earlier revision with lower output current rating.

Axis / Drive Modules

• DSO-AX111C-000A: Single-axis servo drive module; FOC control, ±10V analog command or EtherCAT interface.
• DSO-AX112C-000A: Single-axis high-current servo drive; extended peak current for larger servo motors.
• DSO-AX211C-000A: Dual-axis servo drive module; two independent servo channels in single rack slot.
• DSO-AX212C-000A: Dual-axis high-current variant; dual independent channels with extended current envelope.
• DSO-AX411C-000A: Four-axis servo drive module; high-density multi-axis configuration for compact systems.

Controller / CPU Modules

• DSO-CPU100-000A: Motion controller CPU module; real-time trajectory generation, PLC logic, EtherCAT master.
• DSO-CPU110-000A: Enhanced CPU module; higher processing throughput, expanded program memory.
• DSO-CPU200-000A: Advanced controller module; multi-axis coordinated motion, expanded I/O mapping.

I/O Modules

• DSO-DIO100-000A: Digital I/O module; 16 DI / 16 DO, 24 VDC logic, backplane-connected.
• DSO-DIO200-000A: Extended digital I/O module; 32 DI / 32 DO, higher channel density.
• DSO-AIO100-000A: Analog I/O module; 4 AI / 2 AO, ±10V, 16-bit resolution.

Communication & Interface Modules

• DSO-COM100-000A: EtherCAT slave communication adapter; bridges DSO backplane to external EtherCAT network segment.
• DSO-COM200-000A: Multi-protocol communication module; supports EtherCAT, CANopen, and RS-422 interfaces.

Sourcing Hard-to-Find & Obsolete DSO Series Parts

Quality Control for the DSO Series Range

ETEL DSO modules employ a proprietary high-speed backplane bus for inter-module communication, which requires specialized test procedures beyond standard bench power-up verification. DriveKNMS applies the following QC protocol to all DSO series modules prior to shipment: (1) Visual inspection of backplane connector pins, PCB surface, and capacitor condition; (2) Powered bench test using a DSO-compatible rack and load simulator to verify regulated output voltages (for power modules) or axis enable/disable sequencing (for drive modules); (3) Firmware version identification and logging — modules with incompatible firmware revisions are flagged and documented; (4) Functional communication test via EtherCAT or ETEL proprietary bus to confirm module enumeration and parameter read/write integrity; (5) Thermal cycling verification for modules sourced from field-decommissioned systems. All tested units are shipped with a test report and 12-month warranty against functional defects.