FANUC A05B-2452-C900 10.4″ LCD CRT Replacement Operator Interface
Product Overview
The FANUC A05B-2452-C900 is a dedicated operator interface unit designed for seamless integration with FANUC’s high-end CNC systems,including the Series 30i,31i,and 32i-MB platforms,while maintaining backward compatibility with earlier generations such as the 15i,16i,and 18i.Serving as the primary human-machine interface(HMI)on modern CNC machining centers,the FANUC A05B-2452-C900 combines a high-resolution 10.4-inch color LCD display with a full alphanumeric keyboard,soft keys,and machine-function buttons—enabling operators to program,monitor,and control complex milling,turning,and multi-axis machining processes with precision and efficiency.
Unlike generic HMIs,the FANUC A05B-2452-C900 is engineered specifically for the demanding environment of metalworking shops,featuring a rugged aluminum front panel,sealed membrane switches resistant to coolant and oil ingress,and industrial-grade internal components rated for continuous 24/7 operation.It communicates directly with the CNC controller via FANUC’s proprietary high-speed serial interface,ensuring real-time synchronization of status data,alarm messages,and graphical toolpath previews.The unit also includes standard RS-232 and optional Ethernet ports for external data transfer,facilitating DNC operations and integration with factory MES systems.As a critical touchpoint between machine and operator,the FANUC A05B-2452-C900 enhances productivity through intuitive navigation,rapid error diagnosis,and consistent user experience across FANUC-controlled equipment worldwide.
Technical Specifications
Parameter Name Parameter Value
Product Model A05B-2452-C900
Manufacturer FANUC Corporation
Product Type CNC Operator Display Unit/Human-Machine Interface(HMI)
Display Type 10.4-inch TFT Color LCD
Display Resolution 640×480(VGA)
Input Method Integrated membrane keyboard with tactile feedback,24 soft keys,emergency stop button
Communication Interfaces FANUC High-Speed Serial Link(to CNC),RS-232C(for PC/external devices)
Power Supply+24 VDC(typically supplied by CNC cabinet)
Operating Temperature 0°C to+45°C
Degree of Protection IP54(front panel,dust and splash resistant)
Mounting Panel-mount(standard cutout:300×230 mm approx.)
Certifications CE,UL,FCC Class A
Main Features and Advantages
Purpose-built for CNC workflow efficiency:The A05B-2452-C900 isn’t just a screen—it’s a fully integrated control console optimized for FANUC’s CNC operating logic.Its layout mirrors decades of ergonomic refinement,placing frequently used functions like MDI(Manual Data Input),offset adjustment,and program search within easy reach.The color LCD renders toolpaths,coordinate systems,and alarm diagnostics with clarity,reducing setup time and preventing programming errors.Unlike third-party HMIs that require custom drivers or protocol converters,the A05B-2452-C900 plugs directly into the FANUC CNC backplane,ensuring zero configuration delay and guaranteed compatibility.
Robust construction for harsh shop-floor environments:Designed to withstand vibration,electrical noise,and exposure to cutting fluids,the A05B-2452-C900 features a sealed front membrane that resists penetration by oil mist and coolant splashes—common causes of premature failure in lesser panels.Its internal power regulation and EMI shielding meet FANUC’s stringent industrial standards,eliminating flicker or communication dropouts even near large servo drives or welding equipment.The unit’s long-life backlight and stable LCD panel minimize degradation over years of continuous use,preserving readability in both dimly lit and brightly lit workshops.
Seamless system integration and serviceability:The A05B-2452-C900 supports hot-swappable replacement in many FANUC configurations,minimizing machine downtime during maintenance.Its firmware is managed by the host CNC,eliminating standalone software updates.When paired with FANUC’s i-HMI or CNC Manager software,it enables remote monitoring and data logging.For retrofits,it serves as a direct upgrade path from older CRT-based units(e.g.,A02B-0207-Cxxx series),offering improved reliability,lower power consumption,and modern display quality—all without altering the underlying CNC logic or ladder programs.
Application Field
The A05B-2452-C900 is predominantly deployed on high-precision CNC machine tools across global manufacturing sectors where FANUC controls dominate.In aerospace component production,it interfaces with 5-axis machining centers producing turbine blades and structural fittings,where real-time monitoring of complex G-code programs is essential.Within automotive powertrain facilities,the A05B-2452-C900 operates on transfer lines machining cylinder heads,crankshafts,and transmission cases—benefiting from its durability in high-volume,lights-out production environments.
It is also standard on die and mold machining centers,where fine surface finish and micron-level accuracy demand intuitive access to tool compensation and probing routines.In job shops and contract manufacturers,machines retrofitted with FANUC 31i-B controls often adopt the A05B-2452-C900 as the operator faceplate due to its plug-and-play compatibility and reduced lifecycle cost compared to obsolete CRT units.Educational institutions teaching CNC programming also favor this model for its clear interface and alignment with industry-standard FANUC workflows.Whether on a new Okuma,Makino,or Brother machine—or a legacy Mori Seiki upgraded to modern controls—the A05B-2452-C900 delivers a consistent,reliable operator experience that keeps production moving.
Related Products
A05B-2452-C901:Variant with slightly different key labeling or regional firmware(e.g.,metric/imperial defaults)
A02B-0207-C100:Older CRT-based operator panel for FANUC 15i/16i—predecessor to A05B-2452-C900
A05B-2452-C800:Smaller 8.4-inch version for space-constrained installations
A05B-2452-C902:Updated revision with enhanced backlight life or minor hardware improvements
A02B-0303-C100:Dedicated display-only unit(no keyboard)used in dual-screen setups
FANUC Series 31i-B5:Common CNC control system that pairs natively with A05B-2452-C900
A05B-2301-C001:Handheld pendant for remote operation—complements the main A05B-2452-C900 panel
FANUC i-HMI Software:PC-based visualization tool that mirrors A05B-2452-C900 screens for remote monitoring
Installation and Maintenance
Pre-installation preparation:Before installing the A05B-2452-C900,verify that the CNC control cabinet provides a stable+24 VDC supply and that the high-speed serial cable(typically a shielded multi-conductor FANUC cable)is undamaged and correctly terminated.Ensure the panel cutout dimensions match the unit’s flange(approx.300×230 mm)and that mounting screws are tightened evenly to prevent stress on the LCD frame.Confirm compatibility with the target CNC model via FANUC’s parameter manual—while broadly compatible,certain early 30i revisions may require firmware alignment.
Maintenance recommendations:The A05B-2452-C900 requires minimal routine maintenance but benefits from periodic cleaning with a soft,lint-free cloth and non-abrasive cleaner—never spray liquids directly onto the panel.Avoid using solvents that may degrade the membrane overlay.Monitor for pixel defects,backlight dimming,or unresponsive keys,which may indicate end-of-life.Since the unit draws power from the CNC,ensure the cabinet’s cooling system prevents ambient temperatures from exceeding 45°C,as prolonged heat accelerates LCD and capacitor aging.If replacing an older CRT unit,update the CNC parameters(e.g.,#1023 for display type)to enable full functionality.Always power down the CNC before disconnecting the A05B-2452-C900 to avoid communication faults or parameter corruption.
Product Guarantee
Every A05B-2452-C900 we supply undergoes comprehensive functional validation,including full keyboard response testing,display uniformity checks,communication handshake verification with FANUC CNC simulators,and thermal stress screening.We guarantee that each unit—whether new surplus or professionally refurbished—meets FANUC’s original performance and reliability standards for industrial CNC applications.All A05B-2452-C900 modules come with a 12-month warranty covering operational defects,supported by technical staff with deep expertise in FANUC hardware integration and troubleshooting.Should your A05B-2452-C900 fail to perform as expected,we provide prompt replacement or repair—because in precision manufacturing,every minute of unplanned downtime impacts throughput,quality,and customer trust.
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