A20B-2902-0674 Fanuc PCB Board Circuit Board A20B29020674 A2OB-29O2-O674

A20B-2902-0674 | FANUC A20B-2902 Series PCB — 067x Control Board / CNC and Automation Spare

A20B-2902 in FANUC's PCB Numbering

The A20B-2902 series is part of FANUC's broad A20B PCB family — a range confirmed across CNC main CPU boards, servo drive PCBs, memory modules, and power supply boards. Within the A20B product tree, the A20B-2902 sub-series occupies a distinct product zone carrying specific control or interface functions for CNC and automation applications.

The A20B-2902-0674 at the 067x position sits within the mid-range of the A20B-2902 numbering — consistent with a defined control or interface board role within the FANUC CNC and drive architecture that the series serves.

Key Product Information

Application Scenarios

CNC or automation board fault: A FANUC CNC system or automation application develops a fault traceable to the A20B-2902-0674. The board is identified from its part number label. Replacement restores the specific control function served by this board.

Planned maintenance spare: A production facility maintaining FANUC CNC or automation equipment stocks A20B-2902-0674 as a spare for the specific system in which it is installed.

FAQ

Q1: How do I confirm A20B-2902-0674 is the correct board for my FANUC system?

Read the part number from the installed board's label. If it reads A20B-2902-0674, this is the confirmed replacement. Cross-reference with the applicable FANUC CNC or automation maintenance manual's board installation diagram and spare parts table to confirm the board's slot position and function.

Q2: What FANUC platforms use A20B-2902 series boards?

The A20B-2902 series spans FANUC CNC and automation applications. The specific platform that uses A20B-2902-0674 is confirmed from the host system's hardware documentation and the board's installed position label. The A20B prefix confirms FANUC Japan manufacture.

Q3: Does replacing A20B-2902-0674 require CNC data backup?

This depends on the board's specific functional role. Control or CPU-type boards require full parameter and programme backup before replacement. Interface and signal boards typically do not affect stored CNC data. Confirm the board's function from the applicable maintenance documentation before proceeding.

Q4: What ESD precautions apply to A20B-2902-0674?

Handle with a grounded anti-static wrist strap on an ESD-safe surface. Store in anti-static packaging. Power the CNC or automation system completely down before accessing internal boards.