A20B-8101-0050 FANUC PROFIBUS-DP Communication Interface Module

The A20B-8101-0050 is a FANUC PC board / communication interface module, commonly described as a PROFIBUS-DP interface board. It is used in compatible FANUC CNC or industrial control systems for communication interface expansion and fieldbus connection applications.

This model is an electronic board component, not a complete CNC control system, complete drive unit, or complete communication system. It is also listed as discontinued by manufacturer, so stock availability should be confirmed before ordering. Correct board number confirmation, communication interface checking, system compatibility verification, connector layout confirmation, and professional testing are important before replacement.

Worldwide Shipping & REACO CNC Service

• Worldwide Shipping: We can ship worldwide by DHL, UPS, FedEx, or other available logistics channels.
• Fast Handling: In-stock items can usually be shipped within 1-2 working days after payment.
• 100% Tested Before Delivery: Each qualified communication interface module is tested or checked before shipment. Product photos or a test video can be sent before delivery when required.
• REACO Warranty: New or refurbished products usually include a 1-year warranty, and used 90% new products usually include a 3-month warranty.
• Free Technical Support: Our team can help with basic model confirmation, board matching, and replacement guidance.

Product Information

Product Application

The FANUC A20B-8101-0050 communication interface module is mainly used for compatible FANUC CNC or industrial control equipment communication applications. As a PROFIBUS-DP interface board, it may be required when the original communication board is damaged, unstable, disconnected, or causing fieldbus communication faults.

Because this is a board-level communication interface component, replacement should be carried out after confirming the original board number, CNC system model, communication configuration, connector layout, and alarm or communication error details.

Quality Control and Testing

For FANUC communication interface modules, careful checking is very important before shipment because board condition may directly affect CNC communication, fieldbus connection stability, signal transfer, machine operation, and system reliability. REACO CNC checks qualified products carefully and can provide real product photos or a test video before delivery when required.

Our goal is to help customers receive reliable FANUC CNC spare parts with clear product information, careful inspection, responsive after-sales support, and practical technical assistance.

Compatibility Confirmation

Before ordering, please confirm that the full board number on your original PCB is A20B-8101-0050. Similar FANUC communication boards may have different interface types, hardware versions, connector layouts, system compatibility, fieldbus settings, or software requirements.

Please pay special attention to the PROFIBUS-DP interface description. If you are not sure whether this FANUC communication interface module is suitable for your machine, please send photos of the original board label, connector side photos, CNC system model, communication configuration, and alarm information. REACO CNC can help check the details before purchase.