GE A16B-2200-0760/01A Circuit Board

Technical Specifications and Board Architecture

This circuit board functions as a critical control component in GE Fanuc CNC systems. The GE A16B-2200-0760/01A processes axis motion commands for precision machining operations. You will find this board inside the main rack of many legacy machine tools. Its multi-layer PCB design ensures reliable signal transmission across the board. The unit weighs approximately 0.55 kilograms. Its dimensions measure 29 cm in length, 18 cm in width, and 2.5 cm in height.

Parameter	Specification
Brand	GE Fanuc Automation
Model	A16B-2200-0760/01A
Category	Circuit Board / Axis Control Card
Weight	0.55 kg
Length	29 cm
Width	18 cm
Height	2.5 cm
Number of Connectors	4 x high-density pin headers
Interface Type	Backplane bus connector + external I/O
Component Count	128 integrated circuits, 200+ discrete components
Energy Storage	Local decoupling capacitors (no battery)
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C to 70°C

Component Layout and Signal Processing

The board carries multiple custom LSI chips for axis control logic. Each chip handles specific motion control tasks like interpolation or servo loop closure. You can identify revision /01A printed near the main edge connector. This revision indicates the latest component and layout updates. The board uses surface-mount technology for most integrated circuits. Consequently, you need specialized tools for any component-level repair work. Gold-plated edge connectors provide reliable contact with the backplane.

Connectivity and System Integration

You install this board into a dedicated slot within the CNC main rack. The backplane provides both 5V and 12V DC power to the board. The GE A16B-2200-0760/01A communicates with other boards via the high-speed backplane bus. It also connects to external servo drive units through shielded cables. A 20-pin header carries analog velocity commands to each drive. Several test points allow voltage monitoring during troubleshooting. These test points include labels for +5V, +12V, -12V, and ground references.

Installation and Handling Guidelines

You must ground yourself before handling this sensitive circuit board. Static discharge will damage the CMOS components permanently. The board stores no user data or programs independently. Therefore, the CNC controller retains all axis parameters in separate memory. You should inspect the edge connector for dirt or corrosion regularly. Clean it with isopropyl alcohol and a soft brush if needed.