Fanuc PC Circuit Board A16B-2200-0221 A16B-22OO-O221 A16B22000221

FANUC A16B-2200-0221 2-Axis 16-Bit 0-C Axis Board

The A16B-2200-0221 is the two-axis counterpart within the same early 16-bit 0-C control family. It is identified as a 0-C axis board, a 16-bit 2-channel servo control PCB, and a dual-axis servo controller PCB fitted to early 16-bit masterboard systems.

It is also described as designed for servo and spindle interfaces 0C, 0D, and 0F, with one service reference specifically calling it a 0-TC configuration board.

Instead of expanding to three or four channels, this board focuses on the 1st and 2nd axis positions within the 16-bit architecture.

That makes it especially useful where the installed system is built around a 2-axis digital servo layout and the machine must keep the original 0-C axis-control structure unchanged.

Product Data

Application Scenarios

A16B-2200-0221 is used in FANUC 0-C control systems where the machine requires 2-axis digital servo control within the early 16-bit platform.

It is suitable for board replacement in turning and machining controls using 0-C architecture, and for restoring dual-axis operation where the original axis board remains part of the installed hardware layout.

Product Advantages

The main advantage of this board is its focused role. It is built for a 2-axis 16-bit control arrangement, which makes it a precise match when the installed system does not require the larger 3/4-axis card.

It is also tied to multiple interface references—0C, 0D, and 0F—which helps define its place within compatible early FANUC control families.

FAQ

Q1. What type of board is A16B-2200-0221?
It is a 16-bit 2-axis 0-C axis board, also described as a dual-axis servo controller PCB for early FANUC masterboard systems.

Q2. What does this board do in the system?
Its role is to control two servo axes inside the 0-C control structure. It belongs to the axis-control layer and works with the system’s servo and spindle interface arrangement.

Q3. What should be checked when selecting A16B-2200-0221?
Check the exact part number, confirm the system uses 16-bit 0-C architecture, and verify that the machine needs the 2-axis board rather than the 3/4-axis version.

The interface environment—0C, 0D, or 0F—should also match the installed control.

Q4. How should the key specification be understood?
“2 axis” defines the channel count, and “16-bit 0-C” defines the control generation. Those are the main identifiers that separate this board from later 32-bit or higher-axis variants.

Q5. How should faults be diagnosed before replacing this board?
Begin by separating a 2-axis control-board fault from a servo drive, feedback, or main-board fault. If the problem is limited to the first two axes within a 16-bit 0-C setup and the rest of the machine remains stable, this board becomes a stronger candidate for replacement.