Mitsubishi SE-CPU2 PCB Control Board for FR-SE Spindle Drive BN624A471G54

The Mitsubishi BN624A471G54 (SE-CPU2) is a printed circuit board and CPU control card used in Mitsubishi FR-SE spindle drive systems. It is listed as a PC board and spindle drive board for FREQROL spindle drive and CNC machine applications. Within the FR-SE drive, the SE-CPU card works with the SE-IO card, and the FR-SE maintenance manual refers to LEDs and test points on the SE-CPU card for setup, waveform checks, and troubleshooting. The board is used in CNC machine tools and spindle drive service where the SE-CPU2 control PCB is required. The model designation is SE-CPU2, revision B is referenced, and the associated Mitsubishi part number is BN624A471G54. Typical use is replacement of the control-board function in Mitsubishi FR-SE and FREQROL spindle drive electronics for CNC systems.