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ABB 3HAC08581-1 is a legacy robot serial measurement board identified in ABB robot spare-part and service documentation. It belongs to a legacy serial measurement configuration used to support robot-axis reference information.
ABB 3HAC08581-1 must remain matched to the documented robot generation, controller architecture, measurement-unit housing, connectors and battery arrangement. The complete ABB article number is required because related SMB boards are not universally interchangeable.
Defines the board's measurement and axis-reference duty in its documented S4-era installation.
Checks enclosure, connector orientation and battery-circuit compatibility before selection.
Guides preservation and verification of robot reference data through the service event.
Use the complete ABB article number and installed board label; visual resemblance is not a substitute for identity.
Record wiring, replace the board under ESD control and complete the controller's prescribed reference-data checks.