I/O modules

Main Backplane Board for GE Fanuc A20B Series Systems

The GE Fanuc A20B-1002-0860/03B functions as a main backplane motherboard within the GE Fanuc A20B series automation systems. This board provides mechanical support and electrical interconnection for CPU, memory, and I/O interface modules. Its design ensures reliable communication and power distribution across all connected components .

System Integration and Connectivity Features

This backplane board distributes electrical connections and communication pathways for connected modules. The board facilitates efficient data exchange between the CPU, memory units, and I/O interfaces. It works seamlessly with power units like the A20B-1002-0860 for stable power distribution . Furthermore, this backplane supports motion control applications in robotics and CNC machines .

Physical Specifications and Construction

The A20B-1002-0860/03B features compact dimensions of 8.5 x 2.0 x 1.0 inches (21.6 x 5.1 x 2.5 cm). The board weighs approximately 2.6 kg (5 lbs 12.0 oz) for robust construction . Its rugged design withstands harsh industrial environments with demanding operational loads. The board operates reliably from 0 °C to 60 °C ambient temperature .

Compatibility and Application Support

This backplane motherboard supports a wide range of GE Fanuc control modules in the A20B series . While GE Fanuc no longer actively supports this series, many existing systems still rely on this backplane . The board fits seamlessly into standard control cabinets for space-efficient installation. Consequently, this backplane provides a reliable foundation for legacy GE Fanuc automation systems.

Technical Specifications

Details