A02B-0210-B501 Fanuc System Unit Supports Precise Control And Seamless Integration For Smart Manufacturing – Fanuc System

FANUC A02B‑0210‑B501 – 21‑TB Two‑Slot CNC Control Unit

The A02B‑0210‑B501 is a compact, two‑slot CNC controller from FANUC’s 21‑TB series. Designed for straightforward, reliable control of two to four axes, it’s typically found in CNC lathes and other machine tools—representing the simplest variant in the 16/18/21 family.

Key Features of A02B‑0210‑B501

• Two‑slot chassis housing the main CPU (A16B‑3200‑0020) and I/O/PSU board (e.g., A16B‑2203‑0040)

• Supports 2–4 CNC axes, ideal for single-spindle lathes and compact machining platforms

• Minimal plugin boards—core functions embedded, simplifying setup and maintenance

• Core-exchange required—return old unit for credit toward refurbishment

• Rugged industrial design—field-tested and supported with repair and remanufacture services

Typical Applications of A02B‑0210‑B501

• CNC lathes (single-spindle) and low-axis machine tools

• OEM systems requiring simple yet durable control platforms

• Retrofit projects seeking dependable replacements for legacy 21‑TB controls

• Spares inventory for maintenance programs in machine shops

Main Advantages of A02B‑0210‑B501

• Easy integration—simple two-board setup reduces troubleshooting complexity

• Compact and cost-effective—embedded functionality minimizes component count

• Lifecycle support—core exchange and 2‑year warranties make refurbishing economical

• Fast availability—refurbished units often ship same-day with tech support 

Technical Specifications of A02B‑0210‑B501

The A02B‑0210‑B501 offers a compact, robust CNC control solution for low-axis FANUC applications. With its simple two-board architecture, embedded processing, and strong aftermarket support—including core exchange and warranties—it’s a dependable, economical choice for OEMs, retrofitters, and maintenance teams.