FANUC A06B-6093-H172 is a single-axis digital AC servo amplifier (servo drive) from the FANUC Beta series (small Beta). It belongs to the SVU-20 (I/O Link type) family, designed for auxiliary axis, conveyor, or peripheral motion control in FANUC CNC systems (0i, 16i/18i/21i) and robots, communicating via I/O Link (not FSSB fiber).Status: Discontinued (legacy), widely available as refurbished/reconditioned industrial spare.