Model Definition

• 0-54220-2: Base part number, 64‑bit Autobus link board family; -2 denotes hardware revision 2

• Status: Discontinued OEM; available as NOS, refurbished, or used

Technical Specifications

• Power Supply: 12 VDC from backplane, ~7 W

• Form Factor: 3U PCB (248 × 171 × 25 mm)

• Weight: ~0.6 kg

• Operating Temperature: 0 °C to +55 °C

• Bus Interface: 64‑bit Autobus (proprietary Reliance network)

• Data Rate: Up to 10 Mbps

• Node Capacity: Supports up to 32 remote nodes

• Isolation: 1500 V galvanic isolation between Autobus and backplane

• Diagnostics: Dual LEDs for power, link, and activity status

Interfaces & Communication

• Backplane: 3U edge connector for AutoMax/MaxPak/Automate 31 racks

• Field Port: D‑sub or screw terminal for Autobus cable (twisted pair, shielded)

• Internal Bus: High‑speed parallel interface to system CPU via backplane

• Protocol: Reliance Autobus (master‑slave, deterministic, real‑time)

Key Features

1. 64‑Bit High Bandwidth: Fast data transfer for large I/O and motion control data

2. Deterministic Communication: Real‑time, low‑latency data exchange for motion applications

3. Remote I/O & Drive Connectivity: Links CPU to remote racks, drives, and I/O modules

4. Robust Isolation: Protects against electrical noise in harsh industrial environments

5. Revision 2 Enhancements: Improved EMI filtering and firmware compatibility vs. 0-54220-1

Application

• System Communication: Backbone link for AutoMax/MaxPak drive systems and Automate 31 PLCs

• Motion Control: Synchronized multi‑drive systems, high‑speed I/O

• Industries: Steel, paper, mining, machine tools, cranes, conveyors

• Use Cases: System retrofits, expanding I/O capacity, replacing older link boards

Compatibility & Cross‑Reference

• Compatible Systems: AutoMax/MaxPak Drives, Automate 31 PLC

• Compatible CPUs: 0-53107, 57C430, 57C431, 57C435

• Cross‑References: 0-54220-1 (rev 1), 0-54220 (base)