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FANUC A860-2109-T302 Absolute Encoder for CNC and industrial automation systems

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FANUC A860-2109-T302

by Fanuc

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OverviewThe FANUC A860-2109-T302 Absolute Encoder, also known as a Pulse Coder αiA 4000, significantly improves accuracy and dependability in modern industrial automation. This critical component is vital for CNC machinery, supplying precise positional feedback essential for complex tasks. By providing exceptional motion control stability in even the most challenging manufacturing settings, the A860-2109-T302 guarantees peak performance and consistent outcomes. Its advanced design integrates effortlessly into current FANUC systems, offering a straightforward upgrade path for improved operational efficiency and accuracy.Key Features Absolute Encoding Achieve unparalleled positional accuracy right from startup, removing the need for homing routines after power cycles. High-Resolution Feedback Leveraging advanced optical technology, this encoder delivers exceptionally detailed feedback, crucial for micro-precision movements and fine-tuned control. Accurate Positioning Ensures precise and repeatable position sensing across the entire operational range, reducing errors and enhancing the quality of manufactured goods. Robust Industrial Design Constructed to endure demanding industrial environments, its durable build and compact form factor enable straightforward integration into diverse machine setups without compromising performance. Optimized for Automation Engineered to integrate flawlessly with FANUC CNC controls and a broad range of industrial automation platforms, ensuring smooth communication and superior system synchronization. Enhanced Motion Stability Contributes significantly to the overall stability and smoothness of movement, mitigating vibration and extending machine lifespan. Technical Specifications Encoder Type: Optical Rotary Absolute Encoder Resolution: 4000 pulses per revolution, providing granular and precise motion data. Interface: Fully compatible with the FANUC αi series for direct and efficient communication with FANUC control systems. Operating Temperature: Dependable operation across a range of -10°C to +60°C, ideal for various industrial environments. Environmental Resilience: Built to withstand harsh industrial conditions, including exposure to dust, vibration, and temperature changes. Model Number: FANUC A860-2109-T302 Applications Advanced CNC Machining Indispensable for high-precision milling, turning, grinding, and boring operations where exact positioning is critical. Robotic Systems Crucial for accurate joint positioning and path control in industrial robots, boosting dexterity and repeatability. Precision Industrial Automation Utilized in critical automation tasks demanding extremely accurate feedback, such as assembly, inspection, and material handling. Reliable Manufacturing Motion Control Ensures consistent and precise movement of components and tools throughout the manufacturing process, leading to improved product quality and reduced waste. Automated Gantry Systems Provides essential positional data for large-scale automated movement, allowing for synchronized and precise operation. Why Choose This Model?The FANUC A860-2109-T302 Absolute Encoder is more than just a component; it represents an investment in unmatched precision and reliability for your industrial operations. Selecting this model means equipping your machinery with a high-resolution absolute encoder that provides immediate and accurate positional data, significantly reducing setup times and boosting overall productivity. Its robust construction guarantees longevity and consistent performance in the most demanding environments, minimizing downtime and maintenance costs. Furthermore, its smooth compatibility with the FANUC αi series ensures effortless integration and optimal synergy with your existing FANUC infrastructure.Order NowUpgrade your industrial automation with the FANUC A860-2109-T302 Absolute Encoder. Contact Palm Parts Solution today to enhance your precision and operational efficiency!FAQWhat is an absolute encoder?An absolute encoder provides unique positional data for each shaft position, meaning it retains its position even after power loss without needing a homing cycle.How does the Pulse Coder αiA 4000 improve CNC operations?The Pulse Coder αiA 4000 delivers extremely precise and reliable positional feedback, which is crucial for the accuracy and repeatability required in complex CNC machining and automation tasks.Is this encoder compatible with older FANUC systems?The A860-2109-T302 is fully compatible with the FANUC αi series, designed for seamless integration and efficient communication with contemporary FANUC control systems. For specific older system compatibility, please consult our technical support.

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PRODUCT DETAILS

FANUC A860-2109-T302

Overview

This is a genuine Fanuc component from the Robotics & Cables 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 Robotics & Cables 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 Robotics & Cables family

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

Technical Specifications

  • Encoder Type: Optical Rotary Absolute Encoder
  • Resolution: 4000 pulses per revolution, providing granular and precise motion data.
  • Interface: Fully compatible with the FANUC αi series for direct and efficient communication with FANUC control systems.
  • Operating Temperature: Dependable operation across a range of -10°C to +60°C, ideal for various industrial environments.
  • Environmental Resilience: Built to withstand harsh industrial conditions, including exposure to dust, vibration, and temperature changes.
  • Model Number: FANUC A860-2109-T302

Applications

  • Advanced CNC Machining

    Indispensable for high-precision milling, turning, grinding, and boring operations where exact positioning is critical.

  • Robotic Systems

    Crucial for accurate joint positioning and path control in industrial robots, boosting dexterity and repeatability.

  • Precision Industrial Automation

    Utilized in critical automation tasks demanding extremely accurate feedback, such as assembly, inspection, and material handling.

  • Reliable Manufacturing Motion Control

    Ensures consistent and precise movement of components and tools throughout the manufacturing process, leading to improved product quality and reduced waste.

  • Automated Gantry Systems

    Provides essential positional data for large-scale automated movement, allowing for synchronized and precise operation.

Why Choose the A860-2109-T302?

The FANUC A860-2109-T302 Absolute Encoder is more than just a component; it represents an investment in unmatched precision and reliability for your industrial operations. Selecting this model means equipping your machinery with a high-resolution absolute encoder that provides immediate and accurate positional data, significantly reducing setup times and boosting overall productivity. Its robust construction guarantees longevity and consistent performance in the most demanding environments, minimizing downtime and maintenance costs. Furthermore, its smooth compatibility with the FANUC αi series ensures effortless integration and optimal synergy with your existing FANUC infrastructure.

Availability & Shipping

  • In stock: A860-2109-T302 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 A860-2109-T302 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Fanuc

An absolute encoder provides unique positional data for each shaft position, meaning it retains its position even after power loss without needing a homing cycle.

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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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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