A20b-1003-0750 Fanuc Circuit Board Providing Core Logic Control And Stable Communication For CNC Systems – Fanuc System

FANUC A20B‑1003‑0750 – Zero‑C Master PCB (Series 0‑C)

A robust 16-bit master PCB from FANUC's Zero‑C control family (compatible with 0‑MC, 0‑TC, 0‑TTC, etc.), the A20B‑1003‑0750 serves as the central processing and backplane controller for 2, 3, 4, 6, or 8-axis CNC machine configurations.

Key Features of A20B‑1003‑0750

• Versatile axis support: runs configurations with 2–8 axes in O‑C/O‑D/O‑F control setups

• Built-in 16-bit CPU and expansion slots for axis driver boards, memory modules, PMC, I/O, and graphics cards

• Rugged chassis PCB construction, designed for industrial use and engineered for severe environments

• Fully tested by aftermarket vendors, available new, surplus, or refurbished

• Core-exchange supported with optional trade-in for cost-effective refurb replacements

Typical Applications of A20B‑1003‑0750

• Processing core for ZERO‑C control in milling machines, lathes, routers, and transfer systems

• Ideal for OEM cabinet assembly, retrofit platforms, or replacement of legacy master boards

• Key component in automation systems requiring modular and flexible CNC control

Benefits of A20B‑1003‑0750

• Modular and scalable – enables flexible expansions backed by a strong control architecture

• Reliable industrial performance – thoroughly load-tested, with warranty support (1–2 years)

• Lifecycle efficiency – core-exchange and refurbishment options help reduce total cost of ownership

• Readily available – stocked globally by distributors with same-day shipping options

Technical Specifications of A20B‑1003‑0750

The FANUC A20B‑1003‑0750 Zero‑C Master PCB is the cornerstone of legacy FANUC CNC systems. Offering modular expansion, industrial-grade durability, and flexible aftermarket support—including core exchange and warranties—it is an ideal choice for OEMs, automation integrators, and maintenance teams reviving older FANUC-controlled machines.