CNC Circuit Board

A20B-3300-0050 | FANUC A20B-3300 Series CNC PCB — 005x CPU or Control Board / Industrial Automation Spare A20B-3300 — FANUC's CNC Processor and CPU Card Series The A20B-3300 series is one of the most active FANUC PCB families in this session — confirmed across a wide range of CNC processor cards, CPU modules, and memory/processing boards spanning multiple CNC generations: Representative Range Confirmed Boards 005x A20B-3300-0050 — this product 029x A20B-3300-0293 (486 CPU

A16B-3200-0491 | FANUC Series 0i-B Main CPU Board — PMC-SB7 / Up to 6 Axes / 0i-TB and 0i-MB / SMD Modular Memory Series 0i-B — The Second 0i Generation The FANUC Series 0i has progressed through multiple hardware generations: 0i-A, 0i-B, 0i-C, 0i-D, and 0i-F. The A16B-3200-0491 is the main CPU board for the 0i-B generation — "the 2nd of the Fanuc Series 0i controllers" (DNC Electronics). The 0i-B platform brought significant capability advances over the 0i-A: PMC-SB7

A16B-3200-0362 | FANUC FS0i / 0i-A CNC Main CPU Board — Intel 486DX2 / SAS2 ASIC / F0i-A Master PCB Main Board vs CPU Card — A Critical Distinction Most A20B-3300-series items are plug-in CPU cards — small modules that slot into a separate main board. The A16B-3200-0362 is not a plug-in card. It is the main board itself — the master PCB that all other components mount onto. This board carries the 486DX2 processor, the SAS2 ASIC, the bus connectors for option PCBs, the memory

A20B-8200-0590 | FANUC Seven Soft Keys PCB — Operator Panel Soft Key Board / Japan Manufactured / CNC Interface Component Soft Keys — The CNC Operator's Context-Sensitive Interface In FANUC CNC operator panels, soft keys are the horizontal row of keys positioned along the bottom edge of the display. Unlike the fixed-function machine keys (CYCLE START, FEED HOLD, mode selectors), soft keys have no permanently assigned function. Their meaning changes dynamically with each

A20B-8002-0632 | FANUC A20B-8002 Series PCB Board — CNC and Drive Systems / Industrial Automation / Japan Manufactured A20B-8002 — Control PCB Series in Context The A20B-8002 series sits within FANUC's A20B-800x board family — a group spanning multiple generations of CNC main control boards and drive interface PCBs: A20B-8001 series: Preceding generation CNC control boards A20B-8002 series: Drive and control interface PCBs for the corresponding CNC generation A20B-8100 series

A20B-3300-0632 | FANUC A20B-3300 Series CPU Module — 063x Processor Card / CNC Control Platform / Plug-In Module A20B-3300 — The CPU Module Series The A20B-3300 series is FANUC's comprehensive family of plug-in CPU modules — the processor cards that provide the central processing capability in FANUC CNC main boards. Confirmed through this session, the series spans an extensive range of processor generations and CNC platforms: 486-class modules (029x range): A20B-3300-0291:

A20B-3300-0448 | FANUC A20B-3300-044x Series FSSB Servo Module — Multi-Path / Multi-Axis Servo Expansion / CNC and Robot A20B-3300-044x — The B-Designation FSSB Servo Module Family The A20B-3300-0448 belongs to the 044x range — a clearly defined family of FSSB servo expansion modules. The complete 044x family confirmed through MRO Electric and user data spans multiple axis count and path configurations: Board Designation Paths Axes Notes A20B-3300-0440 B26 2 — Multi-path

FANUC A20B-2902-0225 | SRAM Module with Serial Spindle Interface — A20B-2902 Series CNC Memory PCB Not Just an SRAM Module The A20B-2902-0225 is described in FANUC Power Mate D/F maintenance documentation as a memory module assembly with serial spindle support. The serial spindle designation distinguishes this module from other A20B-2902 SRAM variants that cover memory functions only. This board sits at the intersection of two functions: it provides the battery-backed SRAM

FANUC A20B-2002-0062 | A20B-2002 Series Drive Board PCB — Used, Tested A20B-2002 Series Drive Board The A20B-2002-0062 is a drive board from FANUC's A20B-2002 series — the family of control and interface PCBs used in FANUC CNC and drive system assemblies. At approximately 5.44 kg, the A20B-2002-0062 is substantially heavier than the lightweight backplane and interface boards also found in the A20B-2002 family, placing it in the power-section board category within its host

A20B-1006-0489 | FANUC Alpha SPM-30 Spindle Amplifier Power PCB — A06B-6088-H230 / Japan / With A20B-2902-0390 and A16B-2202-043x SPM — The Spindle Drive Module in the Alpha System In a FANUC Alpha series drive cabinet, the SPM (Spindle Power Module) drives the machine tool's main spindle motor. The SPM receives DC bus voltage from the PSM (Power Supply Module) and converts it to variable-frequency AC output for the spindle motor. The SPM-30 handles a 30kW spindle — a typical

A16B-3200-0523 | FANUC A16B-3200 Series Control PCB — Robot and CNC Controller / 052x Range / Industrial Automation A16B-3200 — Confirmed Across CNC and Robot Generations The A16B-3200 series spans CNC main CPU boards and robot controller main boards confirmed throughout this session: CNC main CPU boards: A16B-3200-0020: Main CPU, Series 21/21-TB CNC A16B-3200-0060: Level-Up Main-C CPU, Series 15B/16B/18B/21B (this session) Robot controller boards: A16B-3200-0040: RJ-2 Main

A16B-2203-0502 | FANUC A16B-2203 Series PCB — 050x Range / Alpha Servo Drive Board Spare / CNC Drive System Spare Part A16B-2203 — FANUC's Alpha Servo Drive Board Family The A16B-2203 series is a confirmed FANUC Alpha drive component board family. Within this series, two products with known roles bracket the A16B-2203-0502: Part Description Drive A16B-2203-0452 SVM1-80 wiring board A06B-6096-H105 single-axis 40A Alpha servo A16B-2203-0502 050x range — this product Alpha/Alpha

A16B-2202-0786 | FANUC Alpha SVM3-20/20/40 Wiring Board — A06B-6096-H307 / Three-Axis 20A+20A+40A / A16B-2202 Series A06B-6096-H307 — The SVM3-20/20/40 Three-Axis Servo Module The GE Fanuc Alpha servo amplifier manual (B-65165E/02) confirms: A16B-2202-0786 is the wiring board for the A06B-6096-H307 — the SVM3-20/20/40, the highest-current variant in the A06B-6096 SVM3 three-axis servo module family. The SVM3 (Servo Module 3-axis) integrates three independent servo axis

A16B-2202-0780 | FANUC Alpha SVM3 3-Axis Servo Amplifier Wiring Board — Type A / Type B / FSSB Interface / SVM3-12/12/12 Replacement PCB What the Wiring Board Does in a Servo Amplifier Module A FANUC servo amplifier module contains two distinct PCB assemblies: the main control board (printed circuit board), which carries the processing logic, gate drivers, and firmware, and the wiring board (A16B-2202-0780), which provides the physical connection layer between the amplifier's

A16B-2201-0890 | FANUC Genius Remote I/O Control PCB — RJ / RJ-2 Robot Controller / Industrial Ethernet Interface Genius I/O — Distributed Robot I/O Architecture The A16B-2201-0890 is the Genius remote I/O control PCB fitted in FANUC's RJ and RJ-2 robot controllers. The Genius I/O system is a serial fieldbus architecture developed within the GE Fanuc automation platform — enabling distributed I/O nodes to communicate with the robot controller over a dedicated serial bus

A20B-2100-0270 | FANUC 4-Axis Position Detector Interface PCB — SDU1 / 16i / 18i / 21i CNC Axis Feedback Interface A20B-2100-0270 — The PCB Inside the SDU1 Detector Interface Module The A20B-2100-0270 is the printed circuit board at the heart of the FANUC A02B-0236-C203 SDU1 (Servo/Scale Detector Unit) module. This module is the hardware interface layer that sits between the FANUC i-series CNC control unit and the position detectors — the encoders or linear scales mounted on

A16B-1212-0220 | FANUC Series 0-C C7 I/O Board — 104 DI / 72 DO / 0-MC / 0-TC / 0-MD / 0-TD / Non-Surface-Mount / Fully Populated 104 Inputs and 72 Outputs — Machine Control at Scale The A16B-1212-0220's signal count reflects the needs of a fully-equipped CNC machine tool. Count the signals required on a typical machining centre: Inputs to CNC (104 available): Axis overtravel limit switches (6–12), tool length probe, coolant level sensor, hydraulic pressure switches, door

A16B-2202-0850 | FANUC 6-Axis Option-2 CPU Board — 7 Plug-In Slots / Series 16/18 Axis Expansion / Sub-CPU Architecture Option-2 — Extending the Axis Count Beyond the Base Board In the FANUC Series 16/18 CNC hardware architecture, the main CPU board handles the base axis count — typically 4 axes in a standard configuration. When a machine tool requires more axes, the Option-2 sub-CPU board extends the system beyond this base limit. The A16B-2202-0850 is the 6-axis variant of

A20B-8100-0661 | FANUC Series 18i-B Main CPU PCB — LCD-Mounted / 18i-MB / 18i-TB / Yellow Backplane / Master Board The 18i-B Motherboard — Foundation of the Control System The A20B-8100-0661 is the master PCB — the motherboard — of the FANUC Series 18i Model B CNC control system. Every other PCB in the 18i-B unit plugs into or connects through this board: The CPU card (A20B-3300-03xx series) provides processing power The video card drives the LCD display The servo control

A20B-3300-0551 | FANUC Graphic User Interface Module — 128MB DRAM / Dedicated Display Processor / CNC PC Function / A20B-3300 Series GUI — A Processor Dedicated Entirely to the Operator's View The A20B-3300-0551 is not a main CPU module. It is something more specific — a Graphic User Interface module , dedicated exclusively to everything the operator sees and interacts with on the CNC display. FANUC's architecture for advanced CNC systems splits processing responsibility