1. GENERAL INFORMATION

• Part Number: A86L-0001-0290#A (also written as A86L-0001-0290A)

• Manufacturer: FANUC LTD, JAPAN

• Type: 12-key softkey ribbon keyboard (membrane keypad)

• Application: FANUC CNC control panels, Series 16i / 18i / 21i (F16iS‑B, 18i‑MB, etc.)

• Weight: Approx. 0.3 kg (0.66 lbs)

• Description: Long, narrow PCB/ribbon with 12 tactile soft keys for CNC HMI

2. SPECIFICATIONS

2.1 Mechanical

• Key Count: 12 soft tactile keys

• Construction: Flexible ribbon PCB + silicone key layer

• Length: Approx. 235 mm (23.5 cm)

• Width: Approx. 10–12 mm

• Connector: Flat ribbon cable (FANUC standard)

• Mounting: Adhesive-backed, fits along edge of LCD/MDI panel

2.2 Electrical

• Interface: FANUC proprietary softkey matrix

• Power Supply: 5 VDC from CNC panel logic

• Current Consumption: ≤ 30 mA

• Switch Type: Membrane, normally open (NO)

• Insulation Resistance: ≥ 50 MΩ

2.3 Environmental

• Operating Temperature: 0°C to +55°C

• Storage Temperature: −20°C to +70°C

• Humidity: 20%–85% RH, non‑condensing

• Protection: Front IP54 (dust and splash resistant)

3. COMPATIBILITY

• CNC Systems:

  • FANUC Series 16i‑A / 16i‑B

  • FANUC Series 18i‑A / 18i‑MB

  • FANUC Series 21i‑A / 21i‑B

• Panel Type: MDI/LCD integrated control panels

4. FEATURES

• 12-key standard softkey set: Matches FANUC CNC menu layout

• Flexible ribbon design: Easy installation in narrow panel gaps

• Tactile silicone keys: Positive feedback, long life expectancy

• EMI shielding: Built‑in protection for industrial environments

• Direct replacement: Plug‑and‑play for original FANUC keyboards

5. INSTALLATION INSTRUCTIONS

1. Power OFF: Shut down CNC and disconnect mains power.

2. Open Panel: Remove front cover of MDI/LCD unit.

3. Disconnect Old Keyboard: Unplug flat ribbon connector from PCB.

4. Clean Area: Wipe mounting surface to remove dust and oil.

5. Install New Keypad: Peel backing and align carefully; press firmly along entire length.

6. Connect Ribbon: Insert connector with correct polarity (pin 1 marked).

7. Reassemble: Close panel and restore power.

8. Test: Verify all 12 keys function in CNC MDI mode.

6. MAINTENANCE & TROUBLESHOOTING

• Cleaning: Wipe surface with dry or slightly damp cloth; avoid harsh solvents.

• Inspection: Periodically check ribbon for cracks, wear, or loose connection.

• Common Issues:

  • No key response: Check ribbon connector seating; verify 5 VDC supply.

  • Intermittent operation: Clean contacts; inspect for ribbon damage.

  • Sticky keys: Clean with mild detergent; do not lubricate.

• Replacement: Replace if keys are worn, cracked, or non‑responsive.

7. ORDERING INFORMATION

• Model: A86L-0001-0290#A

• Description: 12‑KEY SOFTKEY RIBBON KEYBOARD FOR FANUC 16i/18i/21i CNC PANEL