Description
xDescription:
The FANUC A20B‑3300‑0312 is a Pentium‑based CPU module printed circuit board designed for use in FANUC CNC controller systems, especially the 21i‑B and 210i‑SB series. It serves as the central processing board that handles control logic and execution of programs within these controllers.
🧠 Key Details
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Type: CPU module / control PCB – core processing board for a CNC system.
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Processor & Memory: Uses a Pentium architecture with 16 MB DRAM memory (soldered on board rather than removable).
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Compatibility: Typically used with FANUC 21i‑B and 210i‑SB series controllers — common on industrial milling and turning machines controlled by FANUC hardware.
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Function: Executes CNC control software, manages machine motion control tasks, logic processing, and communications with other PCB modules (I/O, display, axis controllers).
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Installation: Mounted inside the CNC controller rack; replacing it usually requires restoring backed‑up machine settings afterward.
🛠️ Use Case:
This board is a critical part of the controller’s “brain” — without it, the CNC system will not initialize or run programs. It’s commonly sourced as new, refurbished, or tested used modules from FANUC parts suppliers.
✅ Summary:
The A20B‑3300‑0312 is a CPU board with 16 MB DRAM for FANUC 21i‑B/210i‑SB CNC controllers, responsible for processing machine control logic and programs in industrial settings.
Additional Information
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Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Custom Tab
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