Used FANUC A20B-8101-0550/09A CC-Link Interface Communication Board

The FANUC A20B-8101-0550/09A is a genuine, high-reliability CC-Link fieldbus communication board designed for FANUC industrial robot controllers and CNC cabinet architectures. This specialized network module enables your FANUC controller to seamlessly integrate into high-speed CC-Link remote I/O networks, facilitating real-time data exchange with Mitsubishi PLCs and peripheral automation units. Tested strictly for industrial fieldbus environments, it is the ideal MRO replacement part to eliminate bus timeouts and network dropouts.

Part Number: A20B-8101-0550/09A (Also fits A20B-8101-0550)
Condition: Used / Refurbished
Brand: FANUC
Protocol Type: CC-Link (Control & Communication Link)
Key Benefits: High-speed remote I/O transmission, robust electrical isolation, plug-and-play network synchronization, and original OEM reliability.

Product Detail

Genuine FANUC A20B-8101-0550/09A CC-Link Communication Card

Bridge the gap between your FANUC robotic workcells and factory-wide control networks with this authentic FANUC A20B-8101-0550/09A CC-Link Board. Acting as a dedicated high-speed fieldbus gateway, this co-processor interface circuit board plugs straight into your controller rack, permitting the central CPU to manage high-volume cyclic transmission, handshake bits, and safety interlocks without taxing your primary motion processing speeds.

Why Source Refurbished FANUC Fieldbus Boards From Us?

Strict Network Node Testing: Industrial communication boards require absolute signal integrity to prevent network drops. Every A20B-8101-0550/09A board we offer undergoes continuous network node loop testing under standard baud rates on real master links. We verify station address registers, terminal resistance tolerances, and data registers to guarantee field-ready operations.
Drop-In Mechanical Fit: Manufactured to exact FANUC original factory dimensions and pin allocations. Your technical maintenance crew can perform an instantaneous hardware swap, removing the faulty interface board and mounting this replacement to restore plant fieldbus communications immediately.
An Affordable Shield Against Downtime: Intermittent bus errors can halt an entire multi-stage assembly line, creating cascading financial losses. Sourcing our certified pre-owned original network boards lets you bypass extended manufacturer lead times and expensive OEM price tags, protecting your MRO budget.
Premium Noise Suppression: Designed with on-board industrial optocouplers and signal filters, this communication PCB acts as a shield, isolating delicate internal processors against external EMI anomalies, ground loops, and electrical line surges.