The GE FANUC A16B-2100-0390 is an electrical wiring PCB associated with FANUC ROBODRILL A-iE equipment. This component forms part of the machine’s internal electrical connection system and helps organize wiring interfaces between different functional assemblies.
Rather than serving as a standalone controller, the board provides an important connection and signal-routing function within the larger CNC architecture. As a result, it contributes to the integration of electrical subsystems and supports orderly machine operation.
The board is designed around several practical functions:
The main assembly includes a printed circuit substrate, multiple connectors, wiring interfaces, and related electronic components.
These elements are arranged to support electrical connections within the machine. Moreover, the board’s dedicated configuration helps technicians identify and maintain the corresponding wiring assembly.
| Item | Description |
|---|---|
| Manufacturer | GE FANUC |
| Complete Model | A16B-2100-0390 |
| Component Type | Wiring Interface PCB |
| Equipment Platform | ROBODRILL A-iE |
| Related Part Number | A16B-1110-0520 |
| Main Function | Electrical Connection and Signal Routing |
This PCB is mainly associated with CNC machining environments. Typical applications include ROBODRILL machining centers, automated metalworking equipment, precision production systems, and machine tool electrical cabinets.
In these environments, reliable wiring interfaces are essential for maintaining connections between control components and machine electrical systems.
Correct model identification is particularly important when servicing this board. The A16B-2100-0390 is listed as a replacement for A16B-1110-0520 in certain equipment configurations. However, technicians should confirm compatibility using the machine’s serial number and electrical documentation.
For routine maintenance, check the following:
Proper inspection and handling help preserve the board’s electrical integrity and support dependable CNC machine operation.

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