General Information

• Part Number: 0-48680-109

• Manufacturer: Reliance Electric / Rockwell Automation (also listed as ABB)

• Product Type: Main Control Board / Drive Processor Card (AutoMax series)

• Alternative P/N: 0-48680 series, 0-48680-101 (similar family)

• Weight: ~1.224 lbs (0.555 kg)

• Application: For Reliance AutoMax servo/DC drive systems, motion control, and industrial automation

Electrical Specifications

• Control Supply: 24 VDC ±10%

• Main Voltage: 120/240 VAC (drive system)

• Processor: High-speed digital signal processor (DSP)

• Communication: On-board serial and fieldbus interfaces

• I/O Signals: Analog input/output, digital input/output, encoder feedback

• Protection: Overvoltage, undervoltage, overcurrent, overtemperature, short circuit

Mechanical Specifications

• Form Factor: Plug-in industrial PCB (card-type)

• Dimensions: ~220 mm × 120 mm × 30 mm

• Connector: Gold-plated edge connector (slot-mounted)

• Construction: FR-4 PCB with conformal coating (moisture/dust resistance)

• Mounting: Rack slot installation, direct replacement design

Environmental Ratings

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

• Storage Temperature: −40 °C to +70 °C

• Humidity: 5%–95% RH, non-condensing

• Vibration: 1 g (10–100 Hz), industrial grade

• Shock: 15 g peak, 11 ms duration

Key Features

• Core Control: Central processing for drive regulation, motion sequencing, and logic control

• High Reliability: Designed for continuous industrial operation, long service life

• Fault Diagnostics: Built-in monitoring and alarm functions for quick troubleshooting

• Interoperability: Fully compatible with Reliance AutoMax system hardware/software

• Easy Maintenance: Modular design, fast on-site replacement

Compatibility

• Fits: Reliance AutoMax servo drives, DC drives, and motion control systems

• Replaces: Earlier 0-48680-101/103 series boards (form/fit/function compatible)