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FANUC A20B-8101-0790 Main CPU Board for industrial CNC systems

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FANUC A20B-8101-0790

by Fanuc

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OverviewThe FANUC A20B-8101-0790 Main CPU Board is a critical component for achieving peak performance and unwavering dependability within challenging CNC environments. This essential circuit board functions as the central intelligence hub for your machinery, enabling rapid data processing and ensuring smooth, consistent operation even for the most complex industrial automation tasks. Developed by FANUC, a recognized leader in factory automation, this CPU board is built to satisfy the stringent requirements of modern manufacturing, guaranteeing accuracy and boosting productivity across a wide array of uses. Incorporating the A20B-8101-0790 into your CNC system establishes a foundation of superior control and effectiveness. Its robust construction and advanced architecture contribute to a notable improvement in machine responsiveness and overall operational consistency, making it fundamental for achieving optimal manufacturing outcomes.Key Features High-Function Main CPU Board: Engineered for swift execution of intricate CNC directives. Rapid Data Processing for CNC Control: Accelerates computational activities, reducing latency and boosting machine responsiveness. Dependable and Steady Machine Operation: Guarantees consistent functionality, minimizing downtime and operational inconsistencies. Rugged and Durable FANUC Construction: Built to endure demanding industrial conditions, ensuring longevity and continuous functionality. Effortless Compatibility: Integrates fully with a broad spectrum of existing FANUC control systems, simplifying upgrades and maintenance. Optimized for Precision: Contributes directly to the high accuracy and repeatability vital for advanced manufacturing processes. Improved Productivity: Streamlines operations by enabling quicker cycle times and more efficient resource utilization. Technical Specifications Type: Main CPU Board Model Number: A20B-8101-0790 Brand: FANUC Voltage: Compatible with standard FANUC control voltage requirements, ensuring broad applicability. Processing Capabilities: Features high-speed processing architecture, specifically crafted for intensive CNC data handling. Operating Temperature: Designed to operate reliably across a broad industrial temperature range, from -10°C to +60°C. Application Focus: Meticulously engineered for integration and optimal function within industrial CNC applications. Construction: Industrial-grade components ensure resilience and long-term durability in harsh environments. ApplicationsThe adaptability and high performance of the FANUC A20B-8101-0790 Main CPU Board make it an excellent choice for a diverse array of industrial applications requiring exceptional accuracy and reliable control: CNC Machining Centers: Powers the core control functions, ensuring accurate and efficient material removal. Automated Manufacturing Systems: Central to complex automated lines, coordinating various production stages with precision. Milling, Turning, and Grinding Machines: Provides the computational framework for precise tool movements and surface finishes. Industrial Automation Requiring Precise Control: Essential for any system where exact movements, timing, and data interpretation are paramount. Robotics Integration: Can be a vital component in robot control systems interconnected with broader CNC operations. Production Lines: Enhances the efficiency and reliability of continuous manufacturing processes. Why ChooseSelecting the FANUC A20B-8101-0790 Main CPU Board is a strategic decision for any operation focused on maximizing CNC system performance and reliability. This model stands out due to:Unwavering ReliabilityFANUC's reputation for engineering excellence ensures this board provides consistent and dependable CNC system control, significantly minimizing unexpected downtime.Optimized EfficiencyDesigned to facilitate stable and efficient machine operation, leading to improved throughput, reduced waste, and lower operational costs.Order NowElevate your industrial automation capabilities today. Contact us for pricing and availability of the FANUC A20B-8101-0790 Main CPU Board.FAQWhat is the primary function of the FANUC A20B-8101-0790?It serves as the main central processing unit board, critical for handling data and controlling operations in CNC machinery.Is this CPU board compatible with older FANUC systems?Yes, it is designed for seamless compatibility with a wide range of existing FANUC control systems.What environments is this board designed for?The A20B-8101-0790 is built with industrial-grade components to withstand harsh environments and operate reliably across a broad temperature range.

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$3,218.99
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PRODUCT DETAILS

FANUC A20B-8101-0790

Overview

This is a genuine Fanuc component from the Servo Drives & Amplifiers family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Fanuc catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Fanuc automation ecosystem
  • Engineered to integrate inside Servo Drives & Amplifiers installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Fanuc equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Fanuc catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Fanuc platform with documented conversion notes for the Servo Drives & Amplifiers family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Type: Main CPU Board
  • Model Number: A20B-8101-0790
  • Brand: FANUC
  • Voltage: Compatible with standard FANUC control voltage requirements, ensuring broad applicability.
  • Processing Capabilities: Features high-speed processing architecture, specifically crafted for intensive CNC data handling.
  • Operating Temperature: Designed to operate reliably across a broad industrial temperature range, from -10°C to +60°C.
  • Application Focus: Meticulously engineered for integration and optimal function within industrial CNC applications.
  • Construction: Industrial-grade components ensure resilience and long-term durability in harsh environments.

Applications

The adaptability and high performance of the FANUC A20B-8101-0790 Main CPU Board make it an excellent choice for a diverse array of industrial applications requiring exceptional accuracy and reliable control:

  • CNC Machining Centers: Powers the core control functions, ensuring accurate and efficient material removal.
  • Automated Manufacturing Systems: Central to complex automated lines, coordinating various production stages with precision.
  • Milling, Turning, and Grinding Machines: Provides the computational framework for precise tool movements and surface finishes.
  • Industrial Automation Requiring Precise Control: Essential for any system where exact movements, timing, and data interpretation are paramount.
  • Robotics Integration: Can be a vital component in robot control systems interconnected with broader CNC operations.
  • Production Lines: Enhances the efficiency and reliability of continuous manufacturing processes.

Why Choose the A20B-8101-0790?

Selecting the FANUC A20B-8101-0790 Main CPU Board is a strategic decision for any operation focused on maximizing CNC system performance and reliability. This model stands out due to:

Unwavering Reliability

FANUC's reputation for engineering excellence ensures this board provides consistent and dependable CNC system control, significantly minimizing unexpected downtime.

Optimized Efficiency

Designed to facilitate stable and efficient machine operation, leading to improved throughput, reduced waste, and lower operational costs.

Availability & Shipping

  • In stock: A20B-8101-0790 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every A20B-8101-0790 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Fanuc

It serves as the main central processing unit board, critical for handling data and controlling operations in CNC machinery.

Machine down? We ship parts the same day.

New, surplus, and refurbished Fanuc inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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