FANUC A16B-2100-0761 PCB / Power Supply Control Board (αi Series)
The A16B-2100-0761 from FANUC is a power supply control PCB / servo interface board used in αi series CNC power supply modules (PSM systems). It is a critical internal component that manages power control, monitoring, and communication between servo/spindle drive units and the main power supply system.
Detailed Product Description
The FANUC A16B-2100-0761 is a power supply circuit board designed for integration inside FANUC CNC power modules, typically within PSMi / PSM 5.5i–15i class systems. It is responsible for controlling the operation of the power supply unit, including regulation, monitoring, and coordination with servo and spindle amplifiers.
This PCB ensures that the CNC system receives a stable and regulated DC bus voltage, which is essential for accurate axis movement, smooth spindle operation, and overall machine stability.
It is commonly used in αi generation CNC drive systems, where high reliability and synchronized multi-axis control are required.
Key Features & Functions
Power Supply Control PCB
Manages internal operation of CNC power supply modules, including switching and regulation control.
Used in αi Series PSM Systems
Installed in FANUC servo power supply units (PSM / AiPS series) for CNC machines.
Stable DC Bus Management
Helps maintain consistent DC voltage for servo and spindle amplifiers.
System Monitoring & Coordination
Enables communication between power supply, servo drives, and spindle modules.
Industrial-Grade Design
Built for continuous operation in harsh CNC manufacturing environments.
Technical Overview (General)
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Model: A16B-2100-0761
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Type: Power Supply Control PCB
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Series: FANUC A16B-2100
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Function: Power regulation, control, and monitoring
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Application: CNC power supply modules (PSM / αi systems)
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Installation: Internal PCB inside drive/power unit
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Configuration: Non-standalone industrial component
Applications
- FANUC αi CNC machining centers
- Servo power supply modules (PSM systems)
- Spindle and servo drive systems
- Industrial automation equipment
- CNC repair and refurbishment work
Important Notes
- This board is an internal module, not a standalone device.
- It is often supplied as refurbished, exchange, or repaired unit due to limited new availability.
- Typically replaced only inside complete FANUC power supply assemblies.
