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| Place of Origin | JAPAN |
| Brand Name | FANUC |
| Certification | CE ROHS |
| Model Number | A20B-2100-0150 |
The A20B-2100-0150 is a FANUC board-level I/O component in the A20B-2100 family. Public FANUC and industrial parts listings identify it as a connector panel basic I/O module B1 or simply as a connector panel, while additional public listings sell it as a board-level FANUC control part in the same family.
The strongest repeated product identity for this model is the connector panel / basic I/O module B1 role.
This type of part is relevant where the installed FANUC system depends on a board that sits at the control-side I/O and connector-panel level.
In maintenance work, a connector-panel I/O module is chosen by exact family and exact hardware role because it belongs to the original interface structure of the control.
Using the same model helps preserve that installed board position and I/O-related hardware layout.
| Parameter | Value |
|---|---|
| Part Number | A20B-2100-0150 |
| Manufacturer | FANUC |
| Product Type | PC board / I/O board-level component |
| Product Series | A20B-2100 |
| Public Description | Connector panel basic I/O module B1 |
| Alternate Public Description | Connector panel |
| Public Category | PLC / Machine Control board-level hardware |
This board is suited to installed FANUC control systems where the original hardware already uses the connector panel basic I/O module B1 structure.
It is especially relevant in control repair, spare-parts replacement, and board-level service where the machine depends on the same I/O-side connector-panel role.
Because the public descriptions repeatedly connect this model with the connector-panel and basic-I/O function, it should be matched as a functional board within the installed control architecture rather than as a generic PCB. Keeping the same part number helps preserve the original board role and connector-panel layout.
The main checks are the exact part number, the A20B-2100 family, and the repeated public identification of the board as a connector panel basic I/O module B1.
Those are the key compatibility points for this model in installed FANUC systems.
Q1: What kind of board is A20B-2100-0150?
It is a FANUC board-level component publicly identified as a connector panel basic I/O module B1.
Multiple public listings also shorten that description to connector panel, but the recurring identity across sources is the same: it belongs to the I/O-side connector-panel section of the control hardware.
Q2: Why is the “basic I/O module B1” description important?
Because that description gives the clearest functional role for the board. It tells you that the part is not just a generic PCB; it is an installed hardware component associated with the basic I/O and connector-panel layer of the FANUC control system.
In replacement work, that functional wording is one of the most important selection clues.
Q3: Is this board a CPU board or an I/O-side board?
The public descriptions place it on the I/O-side / connector-panel level, not in the CPU category. That distinction matters because boards in the same overall family can perform very different roles.
For this model, the repeated published identity is connector panel and basic I/O module.
Q4: Why does exact part matching matter here?
Because connector-panel and I/O-related boards are selected by their installed role inside the control. A substitute with the wrong board function can change the hardware structure of the control interface.
Matching A20B-2100-0150 helps preserve the original board role already used in the machine.
Q5: What should be checked before ordering?
Check the installed part number, confirm the machine uses A20B-2100-0150, and verify that the original board is the same connector panel basic I/O module B1 type in the installed control hardware.
Those are the main compatibility points for this model.
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