Allen-Bradley 1794-OB16D | 16-Channel Diagnostic Output Module

Allen-Bradley 1794-OB16D Flex I/O DC Output Module with Diagnostics

The Allen-Bradley 1794-OB16D delivers advanced diagnostic capabilities for DC output control systems. This intelligent module provides sixteen non-isolated outputs with comprehensive fault detection. It enables proactive maintenance and reduces system downtime in industrial applications.

Key Specifications

• Model: 1794-OB16D
• 16 non-isolated DC output channels
• 24V DC nominal voltage operation
• 10V - 31.2V DC wide operating range
• 8.0A total current (500mA maximum per channel)
• 0.5mA maximum off-state leakage current
• 0.5ms signal delay for fast response
• Weight:0.2kg

Electrical Characteristics

• 60mA FlexBus current draw at 5V DC
• 50V continuous isolation voltage
• 4.8W power dissipation at 31.2V DC
• 16.4 BTU/hr thermal dissipation
• 10-31.2V DC external supply requirement
• 56-78mA external supply current draw

Diagnostics & Features

• Open circuit and short circuit detection
• Field device and wiring fault reporting
• Hot-swap capability during operation
• 16 yellow LED status indicators
• Real-time channel monitoring
• Proactive maintenance support

Installation Advantages

• Insert and remove under power without restart
• Reduced system downtime
• Easy module replacement
• Simplified troubleshooting
• Enhanced system reliability

Package Contents

• 1794-OB16D diagnostic output module
• Installation and diagnostic guide
• Technical specification document
• Compliance certification

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