The Okuma E4809-719-009 is a feedback processing PCB (often designated IVPB06 or 1006-2256-50-70) for Okuma MIV-3 series spindle inverters and servo drive systems. It processes high-frequency encoder/PG signals from axis motors, providing accurate position/velocity feedback decoding, signal conditioning, and interface to the main control board. Plug-in design with CN connectors for encoder wiring and internal harnessing. Part of E4809 VAC/control board family; robust for precision CNC motion feedback. Discontinued by manufacturer. [stock available]