Fanuc A16B-1211-0040/07A PC Memory Circuit Board

Fanuc A16B-1211-0040/07A is a PC memory circuit board designed for use in Fanuc CNC systems, providing vital storage functions for control programs, parameters, and system data.

Model: A16B-1211-0040/07A
Type: PC Memory Circuit Board
Function: Stores CNC machining programs, tool offsets, system parameters, and ladder logic
System Compatibility: Fanuc Series 0, 6, and compatible legacy CNC controllers
Memory Type: Combination of SRAM and EPROM/EEPROM (non-volatile memory with battery backup)
Battery Backup: Required to retain data during power-off (3.6V lithium battery typically connected externally)
Slots/Connectors: Edge connector for system backplane interface
Mounting: Chassis-mounted inside CNC controller enclosure
Manufacturer: Fanuc Ltd., Japan
Application: Used in CNC lathes, machining centers, and industrial automation systems for non-volatile program and parameter retention

This board is essential for machine operation, and failure typically results in loss of program memory or system boot issues. Replacement must match the exact board version and firmware for system compatibility. Please review pictures carefully and let us know if you have any questions!