Product Overview: The OKUMA E4809-045-109-D is a crucial Servo Processor (SVP) board designed for integration within Okuma's OPUS 5000 II CNC (Computer Numerical Control) systems. This PC board acts as a vital interface between the central CNC computer and the machine's servo drives and stepper motors. Its primary function is to distribute precise directional signals to the drives and forward stepper signals to the stepper motors, enabling accurate and dynamic control over machine axes. The E4809-045-109-D is engineered with multiprocessor CNC technology to ensure effective NC system functionality and the capability to implement drive control decisions in milliseconds. It integrates safety measures, such as optical switches, to protect the central computer from potential circuit malfunctions. As a fundamental component of Okuma's high-end CNC machines, this board is essential for achieving optimal performance, accuracy, and consistency in various machining operations.

 
Technical Specifications:

 
Part Number: E4809-045-109-D
 
Alternative Part Numbers: E4809045109D, 1911-1531, 1911-1532, 1911-1533
 
Manufacturer: Okuma Corporation
 
Product Series: OPUS 5000 II / E4809 CNC Boards Series
 
Type: SVP Board (Servo Processor Board) / PC Board / Main Axis Board
 
Function: Distributes directional signals to drives and forwards stepper signals to stepper motors for CNC axis control.
 
System Compatibility: Okuma OPUS 5000 II drive system.
 
Axis Control: Can control up to two axes simultaneously (multiple boards can be used for more axes).
 
Spindle Interface: Features DA IF for spindle control (generates 10V voltage) and AD IF for spindle load status display.
 
Feedback: Processes actual axis position data from encoders.
 
Safety Features: Incorporates optical switches (opto-couplers) for protection against circuit malfunctions.
 
Mounting: Positioned within the controller box; typically plugs into a dedicated slot or backplane.
 
Dimensions (H x W x D): Specific to the PCB form factor; these are internal components without generally published external dimensions. (A related board, E4809-045-109-C, is noted as 24 x 14 x 4 inches, but this is likely packaging/shipping dimensions for the overall module, not the board itself).
 
Weight: Approximately 0.86 kg (1.90 lbs) or 0.91 kg (2 lbs).
 
Environmental Conditions: Designed for industrial environments; specific operating temperature and humidity ranges are dependent on the overall CNC system it's installed in.
 
Product Lifecycle: Discontinued by manufacturer; primarily available through industrial surplus suppliers or repair services.