Yaskawa ARDA-C0A12A21A-E Converter – Obsolete DX200 Series Spare Part

Technical Dossier

Product Details And Specifications

Yaskawa ARDA-C0A12A21A-E Converter – Obsolete DX200 Series Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Note: Electrical parameters such as input voltage range and rated current are not published here to avoid inaccuracy. Confirmed specifications are provided upon request with supporting documentation.

Solving the Discontinued Hardware Crisis

The Yaskawa DX200 controller platform was widely deployed across automotive, metal fabrication, and general assembly lines throughout the 2000s and 2010s. The MS165 robot — a high-payload, six-axis arm rated for heavy spot welding and material handling — was paired with the DX200 as a standard configuration. Many of these installations remain in daily production service.

The ARDA-C0A12A21A-E is an internal converter board responsible for power conditioning within the DX200 cabinet. Its failure typically manifests as alarm codes related to the servo drive power supply or main circuit abnormality. Because the DX200 uses a proprietary backplane architecture, there is no cross-brand substitute. The only path to restoring the robot without a full controller replacement is sourcing the original board.

How to extend your DX200-based robot cell by 5 to 10 years without a capital replacement project:

Condition & Reliability Assurance

Every ARDA-C0A12A21A-E unit processed by DriveKNMS passes a five-stage quality protocol before it is offered for sale. This protocol was developed specifically for discontinued industrial control components where no new production baseline exists.

• Step 1 – Visual and mechanical inspection: Full examination of the PCB surface, connector pins, and housing for physical damage, corrosion, or evidence of prior repair attempts.
• Step 2 – Electrolytic capacitor assessment: Capacitors are the primary failure point in aged power electronics. Each unit is evaluated for bulging, leakage, and ESR deviation. Units with degraded capacitors are either recapped with equivalent-spec components or rejected from inventory.
• Step 3 – Pin and connector integrity check: All edge connectors and board-to-board interfaces are inspected for oxidation, bent pins, and contact resistance. Affected contacts are cleaned and treated before the unit proceeds.
• Step 4 – Firmware and hardware revision verification: Where accessible, the board's hardware revision marking is recorded and cross-referenced against known DX200 compatibility matrices.
• Step 5 – Functional burn-in (where test fixtures are available): Units are powered under controlled conditions to confirm basic operational integrity prior to packaging and dispatch.

Key Features for System Maintenance

• Drop-in replacement: The ARDA-C0A12A21A-E installs directly into the DX200 controller cabinet using the original mounting points and connectors. No mechanical modification is required.
• No reprogramming required: Robot programs, I/O configurations, and calibration data reside in the DX200's memory system, not in the converter board. Replacing this board does not require re-teaching the robot or reconfiguring the controller.
• No engineering reconstruction costs: A full controller replacement would require a certified Yaskawa engineer, a new DX200 or successor controller, wiring modifications, and a full recommissioning cycle. A board-level replacement eliminates all of that cost and restores the cell to production within hours, not weeks.
• Preserves existing safety validations: In regulated manufacturing environments, a full robot cell replacement triggers a new safety assessment and validation cycle. Maintaining the original hardware avoids this compliance burden.

Q: Can you source other DX200 or Motoman MS165 spare parts?
A: Yes. DriveKNMS specializes in obsolete and hard-to-find industrial automation components. Contact us with your full part number and we will advise on availability.