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FANUC A16B-3200-0412/A05B-2450-H001 Main PCB – RJ3iB

***Note this listing is for the Main Board including daughterboards (Axis Control Card, CPU Card and FROM/SRAM Module). If you do not see the option you are looking for, contact us for more info!***


  • Main Board for Fanuc R-J3iB Controllers.
  • The Main Board is an important component that stores the robot’s programs and configurations. It also controls servo mechanism positioning.
  • Contains: microprocessor, peripheral circuits, memory, and operator’s panel control circuit.
  • 2-Slot Backplane: A05B-2400-C060 or 4-Slot Backplane: A05B-2400-C061 is needed to install this board inside of the controller
  • This Main PCB has various cards and module options that may be installed horizontally to the Main PCB. Included with this board:
    • CPU Card A20B-3300-0254 (SDRAM 32MB)
    • Axis Control Card A20B-3300-0241 (6-Axis) or A20B-3300-0390 (8-Axis)
    • FROM/SRAM Module? A20B-3900-0164 or A20B-3900-0284 (FROM 32MB / SRAM 2MB)
    • See “Related Parts” for additional card options
  • Fanuc Ordering Specification #: A05B-2450-H001


Related Parts:

CPU Card Options:
A20B-3300-0104 (SDRAM 8MB)
A20B-3300-0105 (SDRAM 16MB)
A20B-3300-0254 (SDRAM 32MB)

FROM/SRAM Module Options
A20B-3900-0160 (FROM 16MB / SRAM 1MB)
A20B-3900-0161 (FROM 16MB / SRAM 2MB)
A20B-3900-0162 (FROM 16MB / SRAM 3MB)
A20B-3900-0163 (FROM 32MB / SRAM 1MB)
A20B-3900-0164 (FROM 32MB / SRAM 2MB)
A20B-3900-0165 (FROM 32MB / SRAM 3MB)

Axis Control Card Options:
A20B-3300-0242 (4-Axis)
A20B-3300-0241 (6-Axis)
A20B-3300-0391 (6-Axis)
A20B-3300-0240 (8-Axis)
A20B-3300-0390 (8-Axis)

Alternate Main Boards:

Other Related Parts:
4-Slot Backplane: A05B-2400-C061
2-Slot Backplane: A05B-2400-C060
Power Supply Unit: A16B-2203-0370
DeviceNet I/F PCB Board: A16B-2203-0190



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