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| Place of Origin | Japan |
| Brand Name | FANUC |
| Certification | CE ROHS |
| Model Number | A16B-2202-0401 |
The FANUC A16B-2202-0401 is an additional axis control board used in F16M/T control configurations where extra axis capacity is required without adding a separate sub CPU. It is consistently described as an axis board, a 4-axis board, and an additional axis PCB for F16B control.
That makes it a motion-control expansion board rather than a display board, memory card, or I/O PCB.
What makes this board useful in a real control cabinet is its role in extending axis capacity while keeping the installed control family unchanged.
If the machine already runs on a compatible F16M/T layout, this board is best understood as an axis-expansion solution for that existing platform instead of a broad replacement for any FANUC axis card.
| Item | Details |
|---|---|
| Brand | FANUC |
| Part Number | A16B-2202-0401 |
| Model Number | A16B22020401 |
| Board Type | Additional Axis Board |
| Functional Description | F16M/T Additional Axis PCB |
| Axis Capacity | 4 Axis |
| Control Context | F16B Control |
| Sub CPU | Without Sub CPU |
| Typical Role | Motion-control expansion board |
A16B-2202-0401 is suitable for axis expansion, board-level repair, and restoration of existing F16M/T control systems where a 4-axis additional board is already part of the installed structure. It fits machines that need to preserve the original FANUC control architecture while maintaining added axis capability inside the same control family.
This board is a strong fit when the installed control already depends on a 4-axis additional axis board and the goal is to keep the same F16M/T hardware path. Because it is defined by both axis count and control context, it is easier to match accurately than a general axis PCB chosen by appearance alone.
Before replacing A16B-2202-0401, confirm the full part number, the F16M/T control family, and whether the machine is using the 4-axis option board without sub CPU arrangement. It is also worth checking the installed axis layout and slot position before removal, since this board is tied to motion expansion rather than to a generic control slot.
Q1. What type of board is A16B-2202-0401?
It is an additional axis board for F16M/T control systems, identified as a 4-axis PCB for F16B control and specified without sub CPU.
Q2. What does this board do in the system?
Its role is to add axis-control capability within the existing control platform. It belongs to the motion-control expansion layer rather than the memory, display, or machine I/O section.
Q3. What should be checked when selecting A16B-2202-0401?
Check the exact part number, the F16M/T control family, and whether the installed system uses a 4-axis additional board in the same configuration.
The without sub CPU detail is also an important match point.
Q4. How should the key specification be understood?
The key identifiers are 4 axis, F16M/T additional axis, and without sub CPU. Together, these define the board’s control scope and hardware role inside the machine.
Q5. How should faults be diagnosed before replacing this board?
Start by separating an axis-expansion board fault from a servo amplifier fault or a main CPU issue. If the problem is limited to the added-axis section while the base control remains stable, the additional axis board becomes a stronger replacement candidate.
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