E4809-045-152-A Okuma
Wake Industrial LLC is not an authorized distributor of this product.
The Okuma E4809-045-152-A is a CPU board designed for overall system control in the E4809 CNC Boards series. It features two seven-segment LEDs for alarm display, 13 numbered status LEDs, and three operation status LEDs that show I/O signals. The board supports feedback conversion using optical pulses, has a feedback input port labeled CN2, and a fiber optic output link via SPC6.
Internal Product Review
The Okuma E4809-045-152-A is a CNC CPU board engineered for overall system control. Optical pulse feedback at CN2 gives the board accurate response during motion-related processing. The SPC6 fiber-optic output link and two seven-segment alarm LEDs make diagnostics and machine integration especially strong.
To contact sales for pricing and lead time:
Payment Methods
Shipping Methods
Our Credentials
Product Description:
The E4809-045-152-A belongs to the E4809 CNC Boards series produced by Okuma. It installs in the control rack of an Okuma machining center and supervises axis, spindle, and peripheral functions through centralized program execution. Acting as the system CPU, it coordinates motion commands, alarm handling, and communication between drive modules and operator panels. This central processing role allows machining programs, motion sequences, and machine responses to be managed from the control rack without placing separate processors at each connected device.
The board is identified as a CPU board, so it contains the microprocessor and memory resources used to run the overall system control software. Operating conditions are shown through 13 numbered status LEDs that display axis-specific states, while faults appear on two seven-segment LED displays. These visual indicators allow active states and fault codes to be viewed directly from the front of the control rack. Incremental encoder signals enter the board through the CN2 connector, where optical pulses are converted into digital counts for the position-control loops. After processing, position and velocity references are sent over the SPC6 fiber-optic link to downstream servo packs. Optical communication separates the low-voltage control circuitry from electrically noisy power sections while maintaining rapid data transfer between the CPU board and connected motion hardware.
The board can issue commands that support motor output selections up to 7.5/5.5 kW. Downstream drive amplifiers implement these commands using switching components built from IGBTs and hybrid ICs, providing the fast current regulation needed for controlled axis and spindle movement. During normal operation, the M1, M2, and M3 indicators remain off, showing that no associated axis alarm is active. Machine run, ready, and cycle conditions are displayed by three operation status LEDs on the front panel. The board processes encoder feedback, calculates motion references, transfers commands to the servo packs, and reports operating states to the machine control through its rack connections.
