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Fanuc A20B-2101-087 Main Circuit Board CNC Motherboard oi Series Reliable

Name: Fanuc A20B-2101-087 Main Circuit Board CNC Motherboard oi Series Reliable
Brand: Dongguan Huiqin CNC Co.,Ltd.
SKU: A20B-2101-087
Availability: InStock

Brand Name:	fanuc
Model Number:	A20B-2101-087
MOQ:	1pcs
Price:	Chat Now
Payment Terms:	T/T
Supply Ability:	100PCS/months

Detail Information

Product Description

Detail Information

Place of Origin:

Packaging Details:

paper box

Highlight:

Fanuc CNC main circuit board

Fanuc oi series motherboard

Fanuc A20B-2101-087 circuit board

Product Description

Fanuc A20B-2101-087 Main Circuit Board

The Fanuc A20B-2101-087 serves as the central processing motherboard in FANUC Series 0i and oi CNC systems, delivering reliable multi-axis machine tool performance for industrial automation applications.

Contact Our Specialists

For technical consultations, order placements, or stock inquiries:

WhatsApp: +86 19539442369 (Sheila Guo, sheila@huiqincnc.com)

WhatsApp: +86 134 3344 4017 (Cici Li, cici@huiqincnc.com)

Technical Specifications

Parameter	Value
Model	A20B-2101-087
Type	Printed Circuit Board (Main CPU / Motherboard)
Series	FANUC Series 0i / oi / oi-Mate
Function	CNC System Core Processing & Control
Voltage	24V DC (control circuit) / 200-230V AC input via PSU
Mounting	Rack-mounted inside CNC control cabinet
Operating Temperature	0°C to 55°C
Protection	Standard industrial enclosure required
Weight	Approx. 0.9–1.2 kg
Applications	CNC lathe, machining center, milling, turning, grinding, robotic cell, automated production line

Product Overview

This high-reliability CNC main PCB manages servo axis control, spindle operations, PMC ladder execution, I/O communication, and high-speed data processing. The Fanuc motherboard supports stable operation in high-speed machining centers, turning lathes, grinding machines, and robotic automation cells where precision, fast cycle times, and diagnostic capability are essential.

As a key CNC system component, it enhances machine throughput, reduces downtime through proven industrial-grade design, and improves overall system responsiveness when paired with Fanuc power supply units, servo amplifiers, I/O modules, and industrial components.

Quality Assurance

All goods are photographed in kind and strictly tested before shipment. Used parts carry a 3-month warranty, while new quality parts include a 12-month warranty.

Our Sourcing Solutions

Tired of managing multiple suppliers? We consolidate your needs
Facing long lead times? Our Dongguan-based hub ensures rapid delivery
Struggling to find obsolete or specialized parts? Our extensive network is your solution

Brand Specializations

We specialize in components from top-tier industrial brands including:

Controllers & Drives: Mitsubishi, Allen-Bradley, Yaskawa, Siemens (PLCs, HMIs, Servo Drives)

Precision Components: Encoders, Sensors, Control Modules (Fanuc, Omron, etc.)

Mechanical Core: THK/HIWIN Linear Guide Rails & Sliders

Additional Brands: Schunk, Okuma, Infineon, Vickers, and other major brands

Product Keywords

fanuc series main circuit board cnc control cabinet cnc system automated production line turning lathes cnc accessory cnc supplies servo axis board supports industrial enclosure

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FANUC CNC Accessory Products

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FANUC Motor

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FANUC I/O

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Mitsubishi Encoder

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FANUC CNC Accessory Products

FANUC Controller

FANUC Encoder

FANUC Motor

FANUC Drive Amplifier

FANUC I/O

FANUC circuit board

FANUC other parts

Mitsubishi CNC Accessory Products

Mitsubishi Controller

Mitsubishi Encoder

Mitsubishi Motor

Mitsubishi Drive

Mitsubishi circuit board

Mitsubishi other parts

Yaskawa CNC Accessory Products

Siemens CNC Accessory Products

ABB CNC Accessory Products