CNC Circuit Board

FANUC A20B-2901-0941 | 4MB DRAM Module — Series 15-B (Main-C) / Series 18 CNC / SMD 4MB of Working Memory for the Series 15-B CNC The A20B-2901-0941 is the 4MB DRAM module used in FANUC's Series 15-B CNC in its Main-C configuration and in certain Series 18 CNC variants. It supplies volatile working memory — the active RAM where the CNC processor runs the system software, processes axis interpolation, manages operator interface data, and handles all real-time CNC computation

A20B-2101-0050 | FANUC Beta-i SVM1-4i / SVM1-20i / SVM1-40i Servo Control PCB — FSSB / Dynamic Brake / A06B-6130 Series Beta-i SVM1 — Single-Axis Economy Servo Drive The FANUC Beta-i SVM1 series is a single-axis servo amplifier from FANUC's economy Beta-i drive line. Where the Alpha-i series SVM2 provides two servo axes in one module, the SVM1 dedicates one module to one axis — offering a simpler, more cost-effective solution for machines where single-axis drives are

A20B-2902-0390 | FANUC Alpha Power Driver Module — IGBT Gate Drive / Firing Board / PSM / SPM-15 to SPM-37 / CNC Drive Systems Power Driver Module — The Bridge Between Control and Power Devices Inside every FANUC Alpha drive module, power conversion happens through IGBT (Insulated Gate Bipolar Transistor) switching devices. These transistors carry the full motor or bus current and switch at high frequency — typically 2–4kHz for spindle drives. To switch correctly, each IGBT

A16B-2204-0080 | FANUC A16B-2204 Series PCB — Japan Manufactured / I/O and Process Interface / CNC and Automation Systems A16B-2204 — I/O and Process Interface Board Series The A16B-2204 series covers I/O and process interface boards for FANUC CNC and robot automation systems. This series has been confirmed throughout this session to serve multiple functional categories: Process I/O boards (001x range): A16B-2204-0010 (confirmed as PROCESS I/O PCB) and A16B-2204-0011 — boards

A20B-3300-0474 | FANUC A20B-3300-047x Series CPU Module — High-Memory Processor Range / CNC and Automation / Industrial Spare A20B-3300-047x — The High-Memory CPU Module Range The A20B-3300-047x range is the high-memory CPU module section of the A20B-3300 series — the family of 128MB processor modules that represents the peak memory capacity available in FANUC's plug-in CPU module generation. Confirmed boards across this range: Board Designation Memory Platform Confirmed A20B

A16B-2200-0251 | FANUC A16B-2200 Series PCB — 025x Axis Control Range / CNC Automation Control Board A16B-2200-025x — The Axis Control Board Range Within the A16B-2200 series, the 025x range is positioned in the axis control board zone. eBay confirms A16B-2200-0250 (immediately preceding) as a "4 AXIS CONTROL BOARD" for S&R Machinery Sales at — categorised as a Japan-manufactured CNC control PCB. The A16B-2200-0251 at position 0251 — directly adjacent to the confirmed 4-axis

A16B-1212-0221 | FANUC Series 0-C I/O Card C6 — Old Specification / Superseded by A16B-2203-0111 / Machine I/O Interface I/O Card C6 — The Series 0-C Machine Interface The A16B-1212-0221 is the "I/O Card C6" for the FANUC Series 0-C CNC. 's Series 0-C hardware reference table confirms: "A16B-1212-0221 (OLD) I/O Card C6 / A16B-2203-0111 (NEW) Replaces A16B-1212-0221." In FANUC's Series 0-C architecture, I/O cards serve as the interface between the PMC's ladder programme and

A16B-2201-0732 | FANUC F20/F21 I/O Module — Series 20 and 21 CNC / 9-Inch CRT / CNC I/O PCB F20/F21 I/O — Bridging the PMC and the Machine Tool The A16B-2201-0732 is the I/O module for FANUC Series 20 and Series 21 CNC systems equipped with the 9-inch CRT display. In FANUC CNC architecture, the I/O board provides the physical and electrical interface between the CNC's integrated PMC (Programmable Machine Controller) and the machine tool's external I/O devices. PMC-side: The

A20B-2101-0891 | FANUC A20B-2101 Series PCB — 089x Control Board / CNC and Drive Spare / Japan A20B-2101 — FANUC's Alpha-I Spindle and Drive Control Card Series The A20B-2101 series is a confirmed family of FANUC CNC and drive control boards. Earlier in this session, the confirmed A20B-2101-035x range was identified as the Alpha iSP spindle control PCB family for A06B-6141 series spindle amplifiers. The A20B-2101 series extends significantly beyond the 035x range: Range

A20B-2902-0674 | FANUC A20B-2902 Series PCB — 067x Control Board / CNC and Automation Spare A20B-2902 in FANUC's PCB Numbering The A20B-2902 series is part of FANUC's broad A20B PCB family — a range confirmed across CNC main CPU boards, servo drive PCBs, memory modules, and power supply boards. Within the A20B product tree, the A20B-2902 sub-series occupies a distinct product zone carrying specific control or interface functions for CNC and automation applications. The A20B

A16B-3200-0500 | FANUC Series 0i-B I/O Board Without Data Server — F0i-B Control / Machine I/O Interface / CNC PCB The "Without Data Server" Designation — What It Means FANUC's Series 0i-B I/O board exists in two configurations for different application requirements: With Data Server: Includes an integrated local storage function — a compact flash or hard disk storage area within the CNC that allows large part programmes to be stored locally and streamed to the CNC execution

A20B-8200-0847 | FANUC Series 0i-D Main PCB A3 — Central Motherboard / CPU Integration / A20B-8200 Series / 0i-D CNC Platform Series 0i-D — FANUC's Most Widely Deployed CNC The FANUC Series 0i-D is the fourth model generation in the 0i CNC family. The 0i product line has been FANUC's highest-volume CNC platform since its introduction — the choice for general-purpose machine tools worldwide where the full capability of the Series 16i/18i/21i is not required, but reliable,

FANUC A20B-9000-0380 | Spindle Motor Encoder Signal Converter PCB — 12-Pin Interface, Quadrature Output Part Number: A20B-9000-0380 Also Referenced As: A20B90000380 Manufacturer: FANUC Corporation (Japan) Product Type: Spindle Motor Encoder / Signal Converter PCB Series: A20B-9000 What This Board Does The A20B-9000-0380 sits inside the spindle motor housing, between the optical pickup element and the CNC control system. The pickup reads the coded disc on the rotor shaft and

A16B-2200-0900 | FANUC Series 16-A Main CPU PCB — F-16M / F-16T / 4-Axis / CRT / MDI / RS-232 / First-Wave Series 16 Series 16-A — The First Wave of FANUC's Modern CNC CNC Electronics confirms: "Fanuc A16B-2200-0900 main card. Part of the first wave of 16, 18, and 21 control systems. This MAIN CPU is one of many which make up the 16 Model A control series." "First wave" is the key context. The Series 16-A was FANUC's first Model A generation of the Series 16 CNC — the initial

A20B-2900-0681 | FANUC 512K SRAM Module — Battery-Backed Parameter and Programme Storage / Plug-In CNC Memory Module SRAM in FANUC CNC Systems — Persistent Operational Data While FROM (Flash ROM) stores the CNC system software and DRAM provides the CPU's working memory, SRAM fills a distinct third role: it stores the data that defines how the CNC behaves on its specific machine and what programmes are loaded in its memory. CNC parameters: Axis gains, software limits,

FANUC A20B-2900-0580 | 14-Bit A/D Converter Module — A20B-2900 Series / FANUC CNC Analogue Signal Conversion A 14-Bit A/D Converter — Why the Function Label Matters The A20B-2900-0580 is specifically identified in FANUC manual-based references and board catalogues as a 14-bit A/D converter module. This functional identity is important: some commercial listings describe it only as a "circuit board" or incorrectly label it as a power supply. Neither description is useful for a

A20B-2101-0025 | FANUC Beta iSVSP3-40/40/40-15i Triple-Axis Power PCB — A06B-6134-H303 / 3×40A Servo + 15kW Spindle / Power Wiring Card Three Servo Axes and a Spindle — In a Single Unit The A20B-2101-0025 serves the most capable variant within the FANUC A06B-6134 Beta SVSP series: the triple-axis configuration. Where the dual-axis A06B-6134-H203 covers 2-axis lathes and simple machining centres, the A06B-6134-H303 (H303#A or H303#C) adds a third servo channel — enabling 3

FANUC A20B-1007-0880 | Alpha i SVM Interface Adapter PCB — A20B-1007 Series / Servo Drive Connection Board Servo Drive Interface in the A20B-1007 Series The A20B-1007-0880 is an interface adapter PCB that handles signal routing and connector interface between the Alpha i SVM (Servo Motor Module) drives and other elements of the FANUC CNC control system. In the FANUC drive system architecture, this type of board provides the physical and electrical bridging layer between the

A16B-3200-0060 | FANUC F15-TB / F15-MB Main-C CPU Motherboard — Level-Up CPU Board / Series 15-B CNC / Turning and Machining Centres Series 15-B — FANUC's High-Performance Flagship The FANUC Series 15-B was the top tier of FANUC's CNC product range when it was current. Where the Series 0 served general-purpose machine tools and the Series 16/18 served the mid-range, the Series 15 was engineered for machines demanding the highest axis count, the most complex motion, and the

A16B-2203-0820 | FANUC Alpha-i SPM-5.5HVi Wiring Board — A06B-6121-H006 / A06B-6122-H006 / 400–480VAC HV / 5.5kW Spindle Module Alpha-i SPM HV — High-Voltage Spindle for 400V Regions FANUC's Alpha-i SPM (Spindle Power Module) product range covers two input voltage standards: Standard voltage (200V series: A06B-6111, A06B-6116, A06B-6128): For machines installed in regions with 200–240V three-phase supply — Japan, parts of North America, and other 200V regions. High Voltage