Yaskawa FS100 CSTR-SDBR90AAA / CSTR-SDB1R6AAA Servo Amplifier – Obsolete FS100 Spare Part

Technical Dossier

Product Details And Specifications

Yaskawa FS100 CSTR-SDBR90AAA / CSTR-SDB1R6AAA Servo Amplifier – Obsolete FS100 Spare Part

DriveKNMS reviews sourcing options for this model through RFQ handling before quotation.

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 specific to individual axis configurations are not published here to prevent misapplication. Contact our technical team to confirm compatibility with your robot model and axis count before ordering.

Solving the Discontinued Hardware Crisis

The CSTR-SDBR90AAA and CSTR-SDB1R6AAA servo amplifier boards are internal to the FS100 controller cabinet. They govern axis drive signals between the controller CPU and the robot's servo motors. A failed board produces axis alarms, erratic motion, or complete loss of robot operation. There is no software workaround. The board must be replaced.

Condition & Reliability Assurance

Obsolete servo amplifier boards sourced from secondary markets carry real risk if they are not properly evaluated before installation. DriveKNMS applies a five-step inspection protocol to every FS100 servo amplifier board before it is offered for sale:

2. Firmware Version Verification — FS100 servo amplifier boards carry embedded firmware. Version mismatches between the amplifier board and the controller CPU can produce compatibility faults. We verify firmware revision against known FS100 platform compatibility matrices before dispatch.

3. Connector and Pin Corrosion Inspection — Board connectors and edge pins are inspected under magnification for oxidation, corrosion, and mechanical damage. Affected contacts are cleaned or the board is rejected from serviceable inventory.

4. Functional Bench Test — Where test equipment permits, boards are powered and checked for basic operational response prior to packaging.

5. Packaging for Long-Term Storage — Boards are packaged in anti-static bags with desiccant and labeled with inspection date and condition grade. This supports traceability for facilities that hold boards as long-term spares.

Key Features for System Maintenance

The CSTR-SDBR90AAA and CSTR-SDB1R6AAA are direct replacement boards for the FS100 controller. Installation does not require controller reprogramming, job file modification, or changes to the robot's parameter set. The replacement procedure follows standard Yaskawa FS100 maintenance documentation.

This means: no engineering contractor fees for software reconfiguration, no production time lost to recommissioning, and no risk of parameter corruption during a rushed repair. The board is removed, the replacement is seated, and the system returns to its prior operational state. That is the practical value of a correct, model-specific spare part versus an improvised workaround or a platform migration forced by parts unavailability.

For maintenance engineers working under time pressure during a breakdown event, the availability of a verified spare board on-site is the difference between a two-hour repair and a two-week procurement crisis.