Description
📌 FANUC A20B‑8100‑0670 — Fast Ethernet Interface / Ethernet PCB
General Description:
The FANUC A20B-8100-0670 is a Fast Ethernet printed circuit board (PCB) used inside FANUC CNC controllers as an Ethernet communication interface. It’s part of the A20B-8100 series of interface/option boards that expand the connectivity capabilities of FANUC CNC systems.
Purpose & Function:
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🌐 Fast Ethernet Connectivity: Provides a high-speed Ethernet interface to the CNC control, enabling network communications between the machine and external systems such as PCs, factory networks, or other Ethernet-enabled devices.
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🔌 Communication Role: Often used for program transfer, remote diagnostics, distributed control systems (DNC), or CNC-to-network integration, helping the machine exchange data quickly over standard Ethernet networks.
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🛠️ Standalone Board: This board plugs into the controller’s internal electronics and augments existing communication options — it’s not a CPU or controller on its own but a communication add-on.
Typical Applications:
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CNC machines requiring fast, reliable network connectivity for large program transfers or real-time data exchange.
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Integration with shop-floor network infrastructure for remote monitoring, diagnostics, or production data collection.
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Controllers that support optional Ethernet boards — often found in FANUC i-Series and similar modular CNC control architectures.
Installation & Notes:
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⚠️ Software Requirement: For new installations, appropriate software/firmware support may be needed to enable full Ethernet functionality.
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🔄 Suppliers & Support: Parts are sold new, refurbished, or used by industrial automation distributors; warranty and core exchange options depend on the vendor.