Compatibility

• Controllers: FANUC Robot Controllers (R‑J3, R‑J3i, R‑J4 series)

• Installation: Mini‑slot on main CPU/backplane of robot controller

• Protocol: DeviceNet (AB RIO compatible)

Key Specifications

• Communication: DeviceNet master/slave interface

• I/O Connection: Terminal block for discrete I/O

• LED Indicators: Yes (status/network activity)

• Operating Temp: 0 °C to +60 °C

• Humidity: Up to 80% RH (non‑condensing)

• Altitude: Up to 1,000 m (no derating)

• Power: Supplied via controller backplane

Main Functions

• DeviceNet Communication: Connects robot/CNC to Allen‑Bradley RIO networks

• Remote I/O Control: Exchanges digital I/O with remote PLCs/slaves

• Network Master/Slave: Operates as either DeviceNet master or slave

• System Integration: Links FANUC robots to AB PLC systems (common in automotive)

Features

• Mini‑slot Form Factor: Compact for robot controller internal slots

• Industrial Grade: Shock/vibration resistant for factory floors

• Plug‑and‑Play: Simple installation in dedicated mini‑slot

• Status LEDs: Quick diagnostics for network and power

Installation & Handling

• ESD Protection: Use anti‑static wrist strap

• Power Off: Disconnect controller power before insertion/removal

• Orientation: Align card notch with slot key; do not force

• Cabling: Use certified DeviceNet cable; follow wiring diagram

Troubleshooting

• No Network Link: Check seating, cable, and LED status

• I/O Mismatch: Verify network address and baud rate settings

• Communication Drops: Inspect cable integrity and terminations

Related Models

• A20B-8001-0700: Standard DeviceNet RIO card (this part)

• A20B-8001-0600: Earlier DeviceNet interface variant