Description
FANUC A16B-2203-0632 PCB / Converter Board (αi Series)
The A16B-2203-0632 from FANUC is an internal converter PCB / servo power board used in CNC systems, particularly within αi (Alpha i) servo converter and power modules. It is a critical component responsible for power conversion, signal control, and drive system communication.
Detailed Product Description
The FANUC A16B-2203-0632 is a converter board PCB designed for installation inside FANUC CNC drive systems. It plays a vital role in converting electrical power and managing communication between the control circuitry and power components of servo systems.
This board is typically integrated into servo converter modules and power supply units, where it ensures stable energy flow, regulated voltage output, and accurate control signals required for precise motor operation.
It belongs to the A16B-2203 PCB family (0630 / 0631 / 0632 / 0633 series), which are commonly used in FANUC CNC systems for power driver and converter functions.
In some configurations, it may also be referred to as a servo add-on module or spindle power PCB, depending on its application within the system.
Key Features & Functions
Converter / Power Driver PCB
Acts as a converter board managing electrical power flow and internal signal processing.
Used in FANUC αi Servo Systems
Integrated into servo converters and power modules for CNC machines.
Supports Stable Power Conversion
Ensures regulated voltage and reliable DC power delivery to servo and spindle drives.
Servo Add-On / Control Board Functionality
Functions as a servo-related PCB handling communication and drive control tasks.
Industrial-Grade Reliability
Designed for continuous-duty CNC environments with high electrical loads and precision requirements.
Technical Overview (General)
- Model: A16B-2203-0632
- Type: Converter PCB / Power Driver Board
- Series: FANUC A16B-2203 PCB Series
- Function: Power conversion and signal control
- Category: Servo add-on module / converter board
- Installation: Inside servo converter or power supply module
- Configuration: Internal (non-standalone component)
- Weight: ~1.3 kg (approx.)
Applications
- FANUC αi servo converter modules
- CNC machining centers
- Industrial automation systems
- Servo and spindle drive systems
- Repair and refurbishment of FANUC drive units
Important Notes
-
- This board is not used as a standalone unit—it is installed inside larger modules.
- Often available as refurbished or replacement PCB for maintenance and repair.
- Different revisions (e.g., /05B variants) may exist depending on system configuration.