FANUC A860-0310-T111, also searched as A8600310T111, is a 10,000-pulse-per-revolution high-resolution incremental pulse coder for feedback on compatible legacy FANUC AC servo motors and CNC feed axes.

GE FANUC identifies A290-0561-V561 as the ordering number corresponding to the A860-0310-T111 encoder nameplate. A860-0310-T111 remains the primary model, while the A290 number is an auxiliary parts reference.

A860-0310-T111 Product Specifications

10000P High-Resolution Feedback

The A860-0310-T111 produces 10,000 A/B-phase pulses per motor revolution for precise incremental feedback. FANUC documents this encoder class for digital servo CNC applications requiring finer position detection than conventional 2000P, 2500P or 3000P pulse coders.

A860-0310-T111 vs. A860-0314-T111

A860-0310-T111 is the 10000P motor pulse coder corresponding to A290-0561-V561. It must not be confused with A860-0314-T111, which belongs to a different 20000P high-speed position-coder family. Similar numbering does not indicate interchangeability.

Compatibility, Testing and Installation

Confirm the complete A06B motor number, A860 nameplate, A290 reference, 10000P resolution, feedback type, connector, cable, mounting and CNC/servo parameters. REACO CNC checks the label, connector, mechanical condition and feedback signals on an applicable FANUC setup.

Qualified personnel should record the original alignment and machine reference position before removal. After replacement, verify feedback direction, motor phase relationship, parameters and reference return using FANUC and machine-builder procedures.

Related resources: FANUC CNC and robot parts, FANUC servo motors and FANUC encoder and servo repair services.