A02B‑0283‑B801 is another FANUC CNC control part that’s related by series/type to what you asked about, but your specific code A02B-0285-B801 refers to a different FANUC controller unit — here’s what it is:
📌 What A02B-0285-B801 Is
A02B-0285-B801 is a stand-alone basic CNC control unit in the FANUC 21/210i-B series — part of the control hardware used on machine tools and industrial CNC systems.
💡 Key points about the part:
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It’s a FANUC CNC control basic unit designed for 21/210i-B series machines — i.e., the foundational control module used in CNC systems.
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Stand-alone type: It doesn’t include an integrated display — the display is separate or mounted elsewhere on the machine.
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1-slot layout: One slot for expansion or communication cards.
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Built-in fan cooling and removable battery support.
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Often used as a replacement or spare part for maintaining or repairing existing FANUC CNC machines.