The Okuma E4809-770-065-B (also referenced as SVC II Board Type A or 1006-0601 variant) is a main control printed circuit board for Okuma OPUS 7000 series CNC servo amplifiers and drive systems. It serves as a central processing module handling servo command decoding, PWM signal generation, feedback processing, IGBT drive control, and multi-axis coordination in legacy Okuma machine tools. Features multiprocessor CNC technology for effective NC functionality; plug-in design with CN connectors for motor/encoder interfacing and internal wiring. [stock available]