The FANUC A20B-8101-0550 is a CC-Link remote device station board used in compatible FANUC robot controller configurations.

FANUC maintenance documentation identifies the A20B-8101-0550 as a mini-slot CC-Link remote device station board. In an applicable controller, it provides the hardware interface required for communication between the FANUC robot controller and compatible equipment on a CC-Link industrial network.

The board is commonly listed in the industrial replacement-parts market as a CC-Link Remote Device PCB, CC-Link communication board, or robot communication PCB.

Official maintenance materials reference this board in selected FANUC R-30iB Mate, R-30iB Mate Plus, and R-30iB Compact Plus controller configurations. Compatibility is not universal across every controller in these families and must be confirmed using the complete controller and board specifications.

The A20B-8101-0550 is suitable for replacement when a confirmed board fault causes loss of CC-Link communication, unstable network data exchange, failure to recognize the remote device station, or physical damage to the original PCB.

• CC-Link communication function tested before shipment
  
• In stock and available for prompt dispatch
  
• Worldwide DHL, UPS, and FedEx shipping

Product Details

• Brand: FANUC
• Part Number: A20B-8101-0550
• Alternative Format: A20B81010550
• Official Description: CC-Link Remote Device Station Board
• Common Product Name: CC-Link Remote Device PCB
• Type: Industrial Network Communication Board
• Installation Format: Mini Slot
• Product Series: A20B-8101
• Referenced Controllers: Selected FANUC R-30iB Mate / R-30iB Mate Plus / R-30iB Compact Plus
• Network Interface: CC-Link
• Application: FANUC Robot Controller Systems
• Function: CC-Link remote device station communication
• Category: FANUC Robot Communication PCB / Network Interface Board

The product description, mini-slot format, and referenced controller families above are based on FANUC controller maintenance documentation.

Compatibility Note

Before ordering the A20B-8101-0550, please verify:

• Complete FANUC part number and PCB revision
• Robot controller model and cabinet configuration
• Availability of a compatible mini slot
• Installed CC-Link hardware and software options
• Original connector and faceplate arrangement
• CC-Link station settings and network parameters
• Whether the individual PCB or a complete option assembly is required

A nearby A20B-8101 part number or visually similar communication board may support a different industrial network protocol and should not be treated as interchangeable without confirmation.

Common Use Cases

• FANUC CC-Link remote device PCB replacement
• Robot controller network communication repair
• Troubleshooting loss of CC-Link data exchange
• Replacement of a damaged mini-slot communication board
• Restoration of a controller that cannot recognize its CC-Link station
• Preparation of a tested communication PCB for maintenance stock

Sales & Support

Each A20B-8101-0550 communication board is inspected and tested under applicable conditions before delivery.

Worldwide shipping is available through DHL, UPS, FedEx, and other express carriers. REACO CNC provides PCB repair service, warranty coverage, testing-video support, and technical assistance for FANUC robot communication boards and controller components.