1. Product Overview

1.1 Full Part Number

1.2 Product Type

1.3 Code Explanation

• A02B: FANUC CNC control system series code

• 0303: Base hardware model code

• C084: Functional configuration, interface and version specification code

1.4 Application Scope

2. Technical Specifications

• Rated Working Voltage: DC 24V ±10%

• Operating Temperature: 0℃ ~ +55℃

• Storage Temperature: -20℃ ~ +70℃

• Relative Humidity: 10% ~ 90%, non-condensing

• Installation Method: Standard control cabinet card slot plug-in mounting

• Electromagnetic Compatibility: Industrial grade anti-interference design

• Continuous Operation: Support 24-hour non-stop stable operation

• Safety Standard: Comply with industrial electronic insulation and EMC regulations

3. Product Features

1. Industrial-grade circuit design, stable operation and strong anti-electromagnetic interference capability.

2. Standard A02B-0303 series installation dimension, good universality and interchangeability.

3. C084 dedicated hardware configuration, complete interface definition, fully compatible with original host equipment.

4. Built-in over-current, over-voltage, surge and anti-static protection circuits.

5. Strict component screening and aging testing, low failure rate and long service life.

6. Easy installation and replacement, simple maintenance, suitable for on-site after-sales repair.

4. Installation Instructions

1. Completely cut off the main power supply before installation and maintenance.

2. Wear anti-static wristband or take anti-static measures to avoid static damage to PCB.

3. Confirm the part number A02B-0303-C084 matches the equipment model requirement.

4. Clean the cabinet slot and remove dust, metal filings and foreign debris.

5. Align the circuit board with the guide slot, insert smoothly into position.

6. Fasten fixing screws evenly; do not over-tighten to prevent board deformation.

7. Connect power and signal lines strictly following interface marking definitions.

8. Double-check all connections, close cabinet door, then perform power-on test run.

5. Operation Precautions

1. Use only specified rated power supply; abnormal and unstable voltage input is prohibited.

2. Hot plugging and unplugging are strictly forbidden when the device is powered on.

3. Do not operate in environments with heavy dust, corrosive gas, water splash and strong vibration.

4. Keep away from high-power inverters and strong electromagnetic interference sources.

5. Do not disassemble, modify or replace internal components without professional authorization.

6. Power off immediately for inspection once system alarm, signal abnormality or startup failure occurs.

6. Maintenance & Storage

6.1 Daily Maintenance

6.2 Storage Environment

6.3 Storage Conditions

6.4 Handling Notice

6.5 Shelf Life

7. Quality Guarantee

1. A02B-0303-C084 complies with FANUC CNC industrial manufacturing and testing standards.

2. All products pass functional test, aging test and full quality inspection before delivery.

3. This manual is applicable to original and compatible replacement parts of A02B-0303-C084.