The Okuma E4809-770-141-A is a main driver control printed circuit board for Okuma MIV series dual-axis AC servo inverters (commonly paired with models like MIV05-1-B3, MIV0204-1-Bx). It serves as the central processing unit managing servo commands, PWM output, encoder feedback decoding, IGBT drive signals, and multi-axis coordination. Part of the E4809 VAC/control board family with CN connectors for motor/encoder wiring and internal interfacing. Plug-in design for reliable precision motion in CNC machine tools. Discontinued by manufacturer. [stock available]