CNC Circuit Board

FANUC A20B-2002-0300 | Alpha Series Spindle Motor Encoder Sensor Unit — With Mounting Bracket / On-Board Relay / Type-B Interface Spindle Speed Feedback for the Alpha Series Drive System The A20B-2002-0300 is the spindle motor encoder sensor assembly for FANUC's Alpha series spindle drive system. It mounts on the rear of the spindle motor — typically under the blower fan — and generates the spindle RPM feedback signal that the Alpha series spindle amplifier needs to regulate

A20B-2101-0051 | FANUC Beta-i SVM1-80i / SVM1-40HVi Servo Control PCB — FSSB / HRV2 & HRV3 / 200V and 400V HV / A06B-6130-H004 / A06B-6131-H003 Beta-i SVM1 — Economy Single-Axis Drive The FANUC Beta-i series (βi) is FANUC's economy servo drive product line. Where the Alpha-i targets high-performance machining applications, the Beta-i provides reliable servo function for less demanding machines at a lower cost per axis. The SVM1 (Single-axis servo module) within the βi range

A20B-3300-0442 | FANUC FSSB 2-Path 16-Axis Servo Module B24 — High-Axis Multi-Path CNC / 30i/31i/32i / A20B-3300 Series 16 Axes Across 2 Paths — The High-Axis CNC Module The A20B-3300-0442 combines the highest axis count in the 044x family (16 axes) with the 2-path architecture. This combination identifies it as the module for the most demanding CNC machine tool configurations — those where a 2-path CNC simultaneously controls many servo axes. 16 axes distributed across 2

A20B-3300-0291 | FANUC 486DX CPU Module with 16MB Built-In DRAM — Series 15i / 16i / 18i / 21i / i-Series Model B 16MB DRAM — Integrated, Not Add-On The A20B-3300-0291 distinguishes itself from other A20B-3300 CPU cards in one significant way: the 16MB of DRAM is built directly onto the CPU card itself. There is no separate memory expansion card to order, no additional module to install, no risk of a loose memory card connector causing intermittent faults. The full 16MB

A20B-3300-0170 | FANUC MMX CPU Module — Series 16i / 18i / CNC / Intel MMX Architecture / DRAM Expansion Slot / Model A Motherboard MMX Architecture — A Step Up From the 486 Generation MMX marked a significant transition in the A20B-3300 CPU module series. Earlier FANUC i-series CPU cards used Intel 486DX-based processors — capable and reliable for the time, but limited to the original x86 integer instruction set. Intel's MMX extension introduced 57 new SIMD (Single

A16B-2203-0631 | FANUC Alpha-i PSM-30i Power Supply Module Wiring Board — A06B-6110-H030 / 6110 Series Converter / CNC Drive Power Spare PSM-30i — The Alpha-i Power Supply Hub The A16B-2203-0631 is the wiring board for the FANUC Alpha-i PSM-30i — the Power Supply Module that serves as the energy input and DC bus distribution point for the complete Alpha-i servo and spindle drive system. In the FANUC Alpha-i drive architecture, the PSM is not just a power supply — it is the

A16B-1211-0170 | FANUC A16B-1211 Series PCB — 017x Range / Revision /16G / Robot and CNC Control Board A16B-1211 — A Robot-Focused Board Series The A16B-1211 series is confirmed by EASYCNC and eBay listings to cover a range of robot-related PCBs: Board Function A16B-1211-0041 Robot PCB A16B-1211-0170 This product (017x range) A16B-1211-0190 Robotics Backplane PCB A16B-1211-0272 Axes Control Board PCB A16B-1211-0780 Robotics SNC 2-Axis Control Weld PCB A16B-1211-0850 Power

A16B-2202-0991 | FANUC A16B-2202 Series PCB — 099x Control Board / CNC and Automation Spare A16B-2202 — A Broad FANUC CNC and Drive Control Board Series The A16B-2202 series is one of FANUC's most extensive PCB families — confirmed throughout this session to cover a wide range of CNC and drive control functions. Boards confirmed across the A16B-2202 series include: Range Representative Boards Confirmed 042x Power Supply Module (PSM) PCBs 043x Servo driver PCBs 057x–058x

A16B-2201-0470 | FANUC A16B-2201 Series PCB — 047x Control Board / CNC Automation / Industrial Spare A16B-2201 — FANUC's AC Spindle and CNC Control Board Series The A16B-2201 series is a confirmed family of FANUC CNC and spindle drive control boards. Within this series, the A16B-2201-0440 (described above) is confirmed as the AC spindle serial interface control card for the A06B-6064-H3xx spindle drives, and the A16B-2201-0722 (described below) is confirmed as the Series 20-A

A20B-2901-0981 | FANUC Serial Spindle Control & RS-232 Module — SMD / Series 16 and 18 / Alpha Spindle Interface / Model B and C Two Functions in One Module The A20B-2901-0981 combines two distinct communication functions in a single module: Serial spindle control: The primary function — providing the high-speed serial communication link between the FANUC CNC and the spindle amplifier. This serial interface replaced the earlier analogue voltage spindle reference interface,

A20B-2001-0781 | FANUC Servo Drive Control PCB — 24VDC / 1A / Class II / 500V Insulation / Conformal Coated / Multi-Layer PCB Specifications — An Engineering Overview The A20B-2001-0781 is a control PCB defined by a precise set of electrical and physical specifications. Each parameter reflects a deliberate design choice for its role in FANUC CNC servo drive operation: 24VDC operating voltage: The 24V rail is the standard logic and interface supply for FANUC CNC control boards

A16B-1000-0140/08B | FANUC RC Control Master Board — 140×100×40mm / 2.44kg / −40°C Min / 50-Pin Cassette Mount Master Controller Board — The Command Centre A master controller board occupies the top of the command hierarchy in its system. It initiates communication cycles, coordinates subordinate boards and modules, arbitrates bus access, and executes the high-level control programme that all other elements serve. The A16B-1000-0140/08B functions as the RC Control Master in

A20B-3300-0440 | FANUC FSSB 2-Path Axis Servo Module B26 — 30i / 31i / 32i / R-30i / DSP4 / Multi-Path Servo Expansion 2-Path Servo Module — What "2 Path" Means "2 PATH" in FANUC CNC terminology refers to 2-path control — a CNC configuration where two independent programme sequences execute simultaneously within the same controller. Each path has its own programme block, its own spindle, its own set of servo axes, and its own coordinate system. This is distinct from multi

FANUC A20B-2101-0040 | Alpha i SVM1 Drive PCB — A06B-6117 Series / 6-Port / Ribbon Side-Mount Connection Drive-Side Intelligence for the A06B-6117 Servo Amplifier The A20B-2101-0040 is the drive PCB inside FANUC's A06B-6117 series Alpha i SVM servo amplifier — a single-axis module used in FANUC CNC machine tool systems. Inside any Alpha i SVM, the hardware splits between two main boards: a control card that processes servo commands from the CNC and closes the control loop,

FANUC A20B-2002-0641 | A20B-2002 Series CNC Control PCB — Board-Level Replacement Spare A20B-2002 Series Control PCBs The A20B-2002 is one of FANUC's established families of printed circuit boards used within CNC control system assemblies. The series covers multiple functional board types — control interface PCBs, connection unit PCBs, operator panel interface boards, and module support boards — across several CNC platform generations. Within this family, each specific four

A20B-2902-0371 | FANUC 4MB FROM Module — Flash ROM / CNC System Software / Non-Volatile Programme Storage / A20B-2902 Series FROM — The CNC's Non-Volatile Software Repository In any FANUC CNC, three types of memory perform distinct roles. FROM (Flash Read-Only Memory) is the most fundamental: it stores the CNC system software that defines what the CNC can do. What FROM stores: CNC operating software: The G-code interpreter, motion calculation engine, servo coordination,

A20B-3300-0293 | FANUC 486 CPU Module — 16MB DRAM / A20B-3300-029x Family / Plug-In Processor Card / FANUC CNC A20B-3300 — The CPU Module Series The A20B-3300 series is FANUC's family of plug-in CPU modules — the processor cards that provide the central processing capability in FANUC CNC main boards. The series spans multiple generations of CNC platforms and processor architectures: The A20B-3300-029x family occupies the 486-era processor range: Board Processor Memory

A16B-2200-0370 | FANUC 32-Bit 5th/6th Axis PCB — Series 0-C (Zero-C) Control / Two-Axis Expansion / A16B-2200 Series Zero-C — FANUC's Compact CNC and Its Axis Limits "Zero C Control" in the product description refers to the FANUC Series 0-C — FANUC's compact CNC marketed under the "Zero" series name. The "Zero" naming indicated a compact, economical CNC — powerful for its time but with defined limits on axis count. The standard Series 0-C configuration supports up t

FANUC A20B-2902-0060 | 2-Axis Digital Servo Control Module — Series 16MB / 16TB / 18MB / 18TB SIF PCB Part Number: A20B-2902-0060 Manufacturer: FANUC Ltd. (Japan) Product Type: Servo Control Module — 2-Axis Digital Servo SIF (Serial Interface) PCB Overview The A20B-2902-0060 is the two-axis digital servo control module that adds 3rd and 4th axis servo capability to FANUC Series 16 and 18 CNC systems. It plugs into slot 7 of the main CPU board — or onto a compatible option

A20B-2001-0950 | FANUC Alpha SVM3-12/12/12 3-Axis Servo Drive Control PCB — Type-B Interface / 200V / A06B-6080-H301 / Alpha 6080 Series SVM3 — Three Axes, One Module The FANUC Alpha series SVM3-12/12/12 (A06B-6080-H301) is a three-axis servo amplifier module — a single housing containing the power electronics and control circuitry to drive three separate servo motors simultaneously. "SVM3" designates three axis channels; "12/12/12" indicates 12A continuous rated output