CNC Circuit Board

FANUC A16B-2200-0775 | 32-Bit Remote Buffer DNC 2 PCB — Series 0 Zero C CNC / A16B-2200 DNC 2 on the Zero C CNC — Direct Numerical Control in the Machine The A16B-2200-0775 is the 32-bit remote buffer DNC 2 PCB for FANUC's Series 0 Zero C control — the board that enables Direct Numerical Control (DNC) operation, where part programmes are transmitted from a host computer to the CNC while the machine runs, rather than stored entirely within the CNC's own memory. In the Zero C

A16B-1212-0540 | FANUC Robot Emergency Stop and Brake Control PCB — EMG CONT / Brake Control Module / A16B-1212 Series Emergency Stop and Brake Control — Two Critical Safety Functions The A16B-1212-0540 integrates two essential safety-critical functions within one PCB: Emergency Stop (EMG CONT): The E-stop circuit on the A16B-1212-0540 monitors the robot's emergency stop signals and coordinates the controller's safe shutdown response when E-stop is activated. Emergency stop

FANUC A16B-3200-0425 | F21i-B DPL Separate Main CPU PCB — Series 21i-B CNC The Core Board of the 21i-B Controller The A16B-3200-0425 is the main CPU PCB for FANUC's Series 21i-B CNC — the board that runs the CNC operating software, executes the PMC ladder program, manages memory and I/O interfaces, and coordinates all controller functions through the backplane. When this board fails, the controller is inoperative and the machine stops completely. The Series 21i-B is FANUC's

A16B-2203-0074 | FANUC A16B-2203 Series PCB — 007x Range / Early Alpha Drive Board / Servo and Spindle Drive Spare A16B-2203 — FANUC Alpha Drive Module Board Family The A16B-2203 series spans FANUC's Alpha drive module wiring and power board family — confirmed across a wide range of servo amplifiers, spindle amplifiers, and power supply modules in the A06B-6xxx series. Within this product line, confirmed A16B-2203 boards include: Part Function Drive Module A16B-2203-0074 007x

A16B-2203-0031 | FANUC Series 16 Option 2 PCB — 4 Additional Axes / No Sub-CPU / LED Status Display / A20B-2902-0070 Option 2 — Axis Expansion on the Series 16 The FANUC Series 16 CNC uses a slot-based expansion architecture. The CNC control unit has designated option card slots beyond the main CPU board that accommodate specific hardware expansions. The "Option 2" slot receives the axis expansion board — the card that adds servo axis channels beyond what the main board

A16B-2200-0090 | FANUC Series 15 / 150 4-Channel Digital Axis Control Board — 6058 / 6066 Drive Interface / PWM / 15-MA / 15-TA / Up to 16-Axis FANUC Series 15 — High-Axis-Count CNC for Complex Machines The FANUC Series 15 (and its 150 variant) was FANUC's flagship CNC platform for complex, high-axis machine tools during its production era. While most machining centres and lathes require 3 to 5 axes, the Series 15 was designed specifically for machines where axis count is

A20B-3300-0470 | FANUC B2 Pentium CPU Module — 64MB DRAM / Series 16i-B and 18i-B / Predecessor to B3 / 0–60°C B2 — The 64MB Pentium CPU for Series 16i-B/18i-B DNC Electronics confirms the A20B-3300-0470: "B2 Processor + DRAM Module Series 16i and 18i Controls. Pentium CPU with 64MB DRAM model B. Fitted upon later model B generation of series 16i and 18i controls." The A20B-3300-0470 (B2, 64MB) and A20B-3300-0471 (B3, 128MB) are the two CPU module options for the FANUC Series

FANUC A20B-2101-0711 | A20B-2101 Series Drive Power PCB — CNC and Automation Systems A20B-2101 — FANUC's Drive Circuit Board Series The A20B-2101-0711 is a drive power PCB from FANUC's A20B-2101 series — the board family used in FANUC's servo and drive hardware for CNC machine tools and automation systems. Within the A20B-2101 range, boards carry drive-side functions: the circuit layer that handles power conversion, gate drive, current sensing, or power distribution within a

FANUC A20B-2000-0890 | 3-Slot Back Panel PCB — Series 21 / 210 Model B CNC Control Unit What a Back Panel Board Does in the CNC Control Unit The A20B-2000-0890 is the 3-slot back panel for FANUC's Series 21/210 Model B CNC control unit. In FANUC's modular control architecture, the back panel provides the physical slot structure and the electrical interconnect that holds the control's internal boards in position and connects them to each other and to the control unit's power

A20B-2900-0500 | FANUC 1MB CMOS SRAM Memory Module — RJ Robot Controller and CNC / Battery-Backed Non-Volatile RAM Card CMOS SRAM — Battery-Backed Programme and Data Storage The A20B-2900-0500 uses CMOS SRAM technology — Static RAM with extremely low power consumption, maintained by a lithium battery when the robot or CNC controller is powered off. This battery-backed design gives CMOS SRAM a critical property: non-volatility with battery power . While the controller is

A20B-2003-0330 | FANUC Series 20 Backplane Board — Robotics / CNC Milling / Advanced Machining / Commodity Production / 0–40°C The Backplane — The Physical Backbone of the Series 20 System In a FANUC Series 20 CNC or robotic control system, individual electronic modules — CPU boards, servo control cards, I/O interfaces, communication boards — do not connect to each other by cables. They slot into the backplane board, which distributes power and carries the high-speed signal

A20B-3300-0311 | FANUC Series 16i-B and 18i-B CPU Module — Plug-In Processor Card / A20B-3300-031x Family / CNC Control Series 16i-B and 18i-B — A Platform with Depth KFAS LLC confirms: "A20B-3300-0311 is commonly used in Fanuc 16iB, Fanuc 18iB series controls." The maintenance manual reference B-63525EN covers the 16i-B, 18i-B, and 21i-B platform — placing the A20B-3300-0311 within FANUC's second-generation (Model B) i-series CNC hardware. The A20B-3300-0311 is the base

FANUC A17B-3300-0201 | 6-Axis Hi-Speed i-Series Servo Module — FSSB / Plug-In to Main CNC Board Six-Axis FSSB Servo Control in One Plug-In Module The A17B-3300-0201 is the 6-axis hi-speed servo module for FANUC's i-series CNC platform — the plug-in card that manages FSSB communication and servo axis control for all six servo axes served by this module. It installs directly onto the i-series master PCB alongside the other functional plug-in modules: the CPU processor card,

A16B-2203-0697 | FANUC Series-16 Servo Amplifier PCB — 1–2kW / 1.36kg / Backplane Plug-In / Encoder Feedback / Full Protection Suite Servo Amplifier PCB — A Complete Drive in One Card The A16B-2203-0697 is classified as a servo amplifier PCB — not just a wiring board or control board, but a complete servo amplifier function in printed circuit board form. This card-based amplifier architecture means the complete servo drive for one axis plugs into a single backplane slot,

A20B-8100-0146 | FANUC Series 210i-A Control Main PCB — Pentium PC Support / PC-Integrated CNC Motherboard FANUC Series 210i-A — CNC and PC in One Platform The FANUC Series 210i-A represents one of FANUC's highest-specification CNC platforms — combining full CNC machine tool control with integrated PC functionality in a single control unit. The "W/PENTIUM PC SUPPORT" in the A20B-8100-0146 description defines the critical distinction of this board: it provides both the CNC

A20B-2902-0193 | FANUC PMC-RC4 DRAM 512KB/512KB Memory Module — Series 16C / 18C / 21C / PMC Logic Memory Daughter Board PMC-RC4 DRAM Module — What It Stores and Why It Matters In a FANUC CNC system, the PMC (Programmable Machine Control) is the built-in machine sequence logic processor — the embedded PLC that controls coolant, tool changers, clamping, doors, and all machine peripheral sequences alongside the CNC's motion control. The PMC requires two memory types to operate:

A16B-1210-0810 | FANUC Main CPU PCB — CNC Central Processing Board / A16B-1210 Series / High-Performance Control A16B-1210-0810 — The CNC Central Processor Roc Industrial confirms: "The FANUC A16B-1210-0810 Main CPU Board is a critical, high-performance printed circuit board designed to serve as the central processing unit for a wide range of FANUC CNC systems." The main CPU board is the CNC's processing core — the board responsible for: CNC programme execution: Every G-code

A20B-2101-0631 | FANUC A20B-2101 Series Power Board — CNC Drive System PCB / A20B-2101-063x Family / Industrial Automation Spare A20B-2101-063x — A Family of Drive Power Boards The A20B-2101-0631 belongs to a closely related set of power boards within the A20B-2101 series — the 063x group, comprising A20B-2101-0630, 0631, 0632, and 0633. These boards are listed together as "FANUC power boards," indicating they serve parallel functions within the same drive family or cover

A20B-2101-0091 | FANUC Beta-i SVM1-20i Power PCB — FSSB and I/O Link / A06B-6130-H002 / A06B-6132-H002 Two Interface Variants, One Power Board The FANUC Beta-i SVM1-20i servo drive is available in two communication interface configurations. The choice depends on which CNC communication protocol the machine tool uses: FSSB interface (A06B-6130-H002): Uses FANUC's fibre optic Servo Serial Bus for axis communication — providing complete immunity to electromagnetic interference

FANUC A20B-2001-0930 | Alpha SVM1 Type-A Servo Drive Control PCB — A06B-6079 Single-Axis / 12–80A / LCD Alarm Display Top Card of the Alpha SVM1 — Control Intelligence for One Axis The A20B-2001-0930 is the Type-A control PCB — the top (front-facing) card — in FANUC's A06B-6079 series single-axis Alpha servo amplifier modules. It is the intelligence layer of the SVM1 module: it receives motion commands from the CNC via the Type-A PWM interface, processes the Alpha servo motor