Description
FANUC A02B-0319-B500 Operator Panel (MDI/Keyboard) – Reliable front-end control for FANUC CNC machines
The FANUC A02B-0319-B500 is an operator panel assembly commonly used as the MDI/keyboard interface on many FANUC-controlled machine tools. From my experience, it’s selected as a direct replacement when the original panel keys wear out or the front operator station needs a clean swap with minimal downtime. It typically integrates the full MDI keypad, function keys, and indicator areas, and connects back to the CNC main unit via the standard FANUC panel/keyboard harnesses. You might notice that this unit is designed for straightforward panel mounting and fast commissioning—ideal for machine tool builders and MRO teams who need a no-drama replacement.
Order Placement Process and Guarantees
- Warranty: 365 days
- Lead time: 1 week if in stock; no more than 1 month at the latest
- Payment: 50% advance payment; full payment prior to delivery
- Shipping: FedEx, UPS, or DHL – packed for industrial transit
Key Features
- MDI/Keyboard assembly – Purpose-built for FANUC CNC front-panel operations (manual data input, soft keys, function areas).
- Drop-in form factor – Panel-mount design that usually reuses the original cutout and mounting studs, keeping retrofit time short.
- FANUC-compatible connectors – Uses standard FANUC panel/keyboard interface harnessing for dependable, noise-immune signaling.
- Industrial durability – Robust front membrane and switch matrix suited to shop-floor environments; easy to clean and service.
- Stable operation – In many cases, no changes to CNC parameters are required when replacing a like-for-like panel.
- Service-friendly – Accessible rear connectors, clear labeling, and typical 24 VDC power from the CNC control cabinet.
Technical Specifications
| Brand / Model | FANUC A02B-0319-B500 |
| HS Code | 8537.10 (Boards/panels for electric control or distribution) |
| Power Requirements | 24 VDC supplied from CNC control (typical); low-current operator panel load |
| Dimensions & Weight | Panel-mount unit; size and weight vary by panel version; commonly mid-size operator panel form factor suitable for machine consoles |
| Operating Temperature | 0 to 55°C (typical for FANUC operator interfaces) |
| Signal Input/Output Types | Matrix MDI keys, function keys, and panel switch contacts; interfaces directly with FANUC CNC I/O/keyboard circuits |
| Communication Interfaces | FANUC panel/keyboard interface harnesses (proprietary); not a standalone HMI or PLC |
| Installation Method | Front panel mounting with rear fasteners; gasketed bezel for machine tool consoles |
Application Fields
This model is typically used on CNC lathes, machining centers, grinders, and special-purpose machines equipped with FANUC controls. It’s a practical fit for:
- MRO replacements where the original MDI/keyboard has worn or intermittent keys.
- Retrofits of legacy panels on FANUC 0i/16i/18i/21i families (exact fit depends on the machine builder’s panel layout).
- Machine rebuilds where a consistent operator interface is required across multiple lines.
“We swapped our existing panel with the A02B-0319-B500 during a Saturday service window. Wiring matched right up and operators were back running by Monday. No parameter chasing.” – Maintenance Supervisor, precision machining plant
Advantages & Value
- Compatibility-first – Designed for FANUC ecosystems, so it usually integrates without extra converters.
- Reduced downtime – Panel-mount form factor and familiar key layout keep changeover times short.
- Lifecycle support – Easier to maintain than piecemeal repairs of aging key membranes and switches.
- Cost control – Swapping a complete panel often saves labor versus chasing intermittent key faults.
- Technical backing – From my experience, pairing it with OEM-style harnessing prevents noise-related misreads.
Installation & Maintenance
- Environment – Mount on a rigid console or cabinet door; keep good ventilation around the CNC cabinet; avoid direct coolant spray.
- Wiring – Use the designated FANUC panel/keyboard harness; maintain shielding and proper grounding; 24 VDC from the CNC should be stable and clean.
- Safety – Lockout/tagout the CNC cabinet supply before removal/installation; verify E-stop circuits if routed via the panel.
- Routine care – Wipe the membrane with non-aggressive cleaners; check connector pins periodically; ensure the front gasket remains intact.
- Commissioning – After installation, run a quick key-check in MDI to confirm full matrix response; no firmware updates are typically required on the panel itself.
Quality & Certifications
- Conforms to typical FANUC approvals for industrial control equipment (CE marking; UL Recognized Component, region-dependent).
- RoHS-compliant build in most cases.
- Backed by a 365-day warranty and unit traceability for aftersales support.
If you’re matching this A02B-0319-B500 to a specific 0i/16i/18i/21i control or builder panel, share a photo of your current nameplate and connectors. A quick compatibility check up front usually prevents surprises during installation.
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