Allen-Bradley 1794-OB16 | 24V DC Sourcing Output Module

Allen-Bradley 1794-OB16 Flex I/O DC Discrete Output Module

The Allen-Bradley 1794-OB16 provides high-density DC output control for industrial automation systems. This compact module offers sixteen sourcing outputs with excellent performance characteristics. It delivers reliable operation in various factory control applications.

Key Specifications

• Model: 1794-OB16
• 16 sourcing output channels
• 24V DC nominal voltage operation
• 10V - 31.2V DC wide operating range
• 8.0A total current (500mA per channel)
• 0.5V maximum on-state voltage drop
• 0.5mA maximum off-state leakage current

Electrical Characteristics

• 2A surge current for 50ms every 2 seconds
• 0.5ms off-to-on signal delay
• 1ms on-to-off signal delay
• 80mA FlexBus current draw at 5V DC
• 5.3W power dissipation at 31.2V DC
• 18.1 BTU/hr thermal dissipation
• 800mA slow-blow fuse recommended

Mechanical & Environmental

• Compact dimensions: 94 × 94 × 69 mm
• Lightweight 78g module design
• Open-type enclosure for DIN rail mounting
• 0°C to 55°C operating temperature range
• -40°C to 85°C storage temperature
• 30G shock and 5G vibration resistance

Certifications & Compatibility

• c-UL-us, CSA, CE, Ex, TÜV, KC certifications
• EAC and RCM compliance markings
• Compatible with TB2, TB3, TB3S terminal bases
• Up to 8 modules per rack installation
• Keyswitch position 2 configuration

Package Contents

• 1794-OB16 DC output module
• Installation documentation
• Technical specification sheet
• Compliance certificates

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