Allen-Bradley 1794-OB16 | FLEX I/O 16-Point Digital Output Module

Overview

The Allen-Bradley 1794-OB16 is a FLEX I/O digital output module designed to provide 16 sourcing output points for industrial automation systems. Operating at 24V DC, it offers reliable performance in a compact, modular design, making it suitable for various control applications.

Key Features

• Number of Outputs: 16 sourcing digital outputs

• Operating Voltage: 24V DC nominal (10–31.2V DC range)

• Output Current Rating: Up to 500 mA per channel; total module output up to 8 A

• Signal Delay: 0.5 ms (Off to On), 1.0 ms (On to Off)

• FlexBus Current: 80 mA at 5V DC

• Power Dissipation: Maximum 5.3 W at 31.2V DC

• Thermal Dissipation: Maximum 18.1 BTU/hr at 31.2V DC

• Isolation Voltage: 50V (continuous), Basic Insulation Type; tested at 850V DC for 1 second between user and system

Technical Specifications

• Model: 1794-OB16

• Series: FLEX I/O

• On-State Voltage Drop: Maximum 0.5V DC

• Off-State Leakage Current: Maximum 0.5 mA

• Surge Current: 2 A for 50 ms, repeatable every 2 seconds

• Recommended Terminal Base Units: 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK

• Operating Temperature: -20°C to +55°C (-4°F to +131°F)

• Dimensions (H x W x D): Approximately 94 mm x 94 mm x 69 mm (3.7 in. x 3.7 in. x 2.7 in.)

• Weight: Approximately 0.102 kg

• Certifications: CE, UL, c-UL-us, Class I Div 2, ATEX

Applications

• Industrial Automation Systems

• Manufacturing Process Control

• Material Handling Equipment

• Packaging Machinery

• Building Management Systems

Why Choose the Allen-Bradley 1794-OB16?

• High-Density Output: 16 output points in a compact module

• Reliable Performance: Fast signal response times suitable for time-sensitive applications

• Flexible Integration: Compatible with various terminal base units for easy system expansion

• Robust Design: Engineered for industrial environments with appropriate certifications

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