FANUC A05B-2255-C101 Teach Pendant – Handheld HMI for robot setup, jogging, and maintenance

The FANUC A05B-2255-C101 is a handheld teach pendant used to operate and program FANUC industrial robots. From my experience, this model is commonly paired with mainstream FANUC robot controllers to handle routine tasks like jogging, point teaching, I/O checks, and on-the-spot troubleshooting. You might notice that the design focuses on safety and durability—dual-channel E‑Stop, 3‑position enabling (deadman) switch, and a rugged housing that survives daily shop-floor use.

Maintenance teams typically choose this pendant when they need quick replacement of a damaged HMI, spare capacity for critical cells, or a standardized operator interface across multiple lines. One thing I appreciate is how it remains straightforward: plug into the robot controller’s pendant port, power comes from the controller, and you’re up and running.

Order Placement Process & 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
• Express options: FedEx, UPS, DHL
• Packaging: Anti-static protection and padded carton; shock-tested for air freight
• Functional testing: Each unit is function-checked on a matching controller before shipment (buttons, E‑Stop, enabling switch, screen, cable continuity)

Key Features

• Dual-channel Emergency Stop – Safety-rated E‑Stop circuitry for immediate motion halt.
• 3‑position enabling (deadman) switch – Standard robot safety practice; enables motion only with intentional hold.
• Integrated LCD operator display – Clear on-screen navigation for jogging, program editing, and diagnostics.
• Dedicated jog and function keys – Glove-friendly keys for axes jogging, mode selection, and quick menu access.
• Proprietary pendant cable interface – Connects directly to the controller’s pendant port; no external power needed.
• Rugged enclosure – Shock-resistant housing and reliable key membrane designed for daily industrial use.
• Serviceable parts – Membrane, hand strap, and cable assemblies can typically be replaced in the field.

Technical Specifications

Application Fields

This pendant is typically deployed in robotized manufacturing cells for:

• Automotive body, welding, and sealing cells where fast jog/recover is routine
• Machine tending, deburring, and machining lines needing quick point edits
• Palletizing, packaging, and material handling systems with frequent recipe changes
• Electronics and general assembly lines focused on repeatable teach and verify steps
• Maintenance and training labs for simulating faults and recovery procedures

Advantages & Value

• Reliability that reduces downtime – Robust keys and safety devices; fewer nuisance faults in daily use.
• Controller compatibility – In many cases, pairs with mainstream FANUC robot controllers; we help verify by F-number or cabinet nameplate before shipping.
• Lower total cost – A direct, drop-in replacement saves engineering time and minimizes production interruptions.
• Serviceability – Common wear parts (membrane, cable, strap) are field-replaceable to extend lifecycle.
• Technical support – Pre-shipment test report and guidance on connecting, key checks, and safety validation.

Installation & Maintenance

• Environment – Use in a dry, clean area around the robot cell; avoid coolant splash and metal chips; add a protective boot if exposure is likely.
• Connection – Power down the controller before connecting/disconnecting the pendant cable. Check connector keying and locking ring.
• Cable routing – Keep the pendant cable away from sharp edges and moving fixtures; use strain relief at the cabinet.
• Safety checks – After installation, verify E‑Stop dual-channel status, enabling switch behavior, and jog inhibit in AUTO mode.
• Routine care – Wipe the screen and membrane with a non-abrasive cleaner; inspect the cable jacket for nicks; function-test E‑Stop weekly.
• Firmware – The pendant operates under the controller’s system software; in most cases updates occur with controller software updates.

Quality & Certifications

• Conformity – Typically CE compliant when used as part of a CE-marked FANUC robot system; UL/cUL compliance depends on the complete system configuration.
• RoHS – Components are generally RoHS-aligned for modern series; legacy stock may vary.
• Warranty – 12 months coverage for functional defects under normal use.
• Traceability – Serial number and test report recorded before dispatch.

Common Accessories & Supporting Components

• Pendant cable assemblies (FANUC A660‑xxxx series) – Different lengths for cell layout; we help match the connector type.
• Protective silicone boot / screen cover – Helps resist oil and minor impacts.
• Replacement key membrane – Restores tactile feel on high-use keys.
• Cabinet hanger / bracket – Parking hook to keep the pendant safe when not in use.
• Hand strap and lanyard – Reduces drops during ladder or platform work.