A20B-2901-0941 Fanuc 4MB DRAM 78-Pin CNC Memory Module

Description

Fanuc A20B-2901-0941 is a 4 MB DRAM memory module featuring a 78-pin interface and compact 4.50 x 1.00 x 0.25 in physical dimensions. This printed circuit board functions as a high-speed volatile storage component, utilizing dynamic random-access memory architecture to manage system data and operational parameters. The hardware is constructed with semiconductor components mounted on a rigid PCB substrate, designed for direct integration into Main-C CPU boards. It operates with standard logic voltage levels and provides rapid read/write cycles essential for real-time processing tasks.

A20B-2901-0941 Specifications
Model Number: A20B-2901-0941
Brand: Fanuc
Product Category: CNC Memory Module
Memory Type: DRAM (Dynamic Random-Access Memory)
Storage Capacity: 4 MB
Interface Type: 78-Pin Connector
Physical Dimensions: 4.50 x 1.00 x 0.25 in
Weight: 0.22 lbs
Compatible Architecture: Main-C CPU Board
Supported Configurations: 2, 3, 4, 6, or 8 Axis
Mounting Style: Plug-in PCB Module

A20B-2901-0941 Applications
Primary applications include integration into Fanuc FS 15-B, 16-C, 16-M, and 16-T series CNC control systems. Deployed within the Main-C CPU boards of automated milling machines, robotic controllers, and precision lathes to expand system memory and execute complex multi-axis machining programs. Utilized in automated control racks requiring high-speed DRAM modules for real-time tool configuration and operational data buffering.

Additional information