FLEX I/O (1794 Series) | Allen-Bradley | 1794-OB16P SER A Flex 16 Point Digital Output Module

Product Description: Allen-Bradley 1794-OB16P

The Allen-Bradley 1794-OB16P is a high-density digital output module in the FLEX I/O platform, offering 16 electronically protected sourcing (PNP) outputs for 24V DC field devices. Designed for reliability and compactness, this module is ideal for applications requiring fast, efficient, and protected discrete output control in distributed automation environments. It integrates seamlessly with a variety of FLEX I/O terminal bases and communication adapters.

Key Features

• 16 sourcing (PNP) digital output channels
• 24V DC nominal operating voltage
• Built-in electronic protection against short-circuit and overcurrent
• Output status indicators for each channel
• Compatible with FLEX I/O adapters (EtherNet/IP, ControlNet, DeviceNet)
• Compact and modular DIN-rail mount design
• Grouped in 2 output banks of 8 channels each, with individual commons

Technical Specifications

• Output Type: Sourcing (PNP), 24V DC
• Number of Outputs: 16 (2 groups of 8)
• Output Voltage Range: 10–31.2V DC
• Nominal Voltage: 24V DC
• Maximum Output Current:
  • 0.5 A per channel
• Protection: Electronic (short-circuit, overtemperature, overcurrent)
• Isolation Voltage: 50V (field- to-backplane, basic insulation)
• Output Delay: <1 ms ON/OFF
• Power Dissipation: Approx. 4.5W
• Operating Temperature: 0°C to 55°C
• Mounting: DIN rail via FLEX I/O terminal base (e.g., 1794-TB3S)
• Certifications: UL Listed, CE, CSA, RoHS, Class I Div 2

Application Areas

• High-speed discrete control systems
• Material handling and conveyor automation
• Packaging and bottling machinery
• Industrial systems using 24V DC PNP sensors and actuators
• OEM equipment requiring high-density output in compact form

Advantages

• High channel count reduces module footprint
• Built-in protection extends module and device life
• Fast response suitable for time- critical control
• Easy diagnostics with per-point LED indication
• Fully compatible with the scalable FLEX I/O system