Product Introduction

The Allen-Bradley 1794-OB16D Flex I/O Digital DC Output Module is a high-performance industrial control component designed for flexible distributed automation systems. As part of the Flex I/O family, it enables efficient scaling of output control in modular PLC architectures.

With 16 sourcing digital output channels, the module provides reliable switching of 24V DC field devices, making it suitable for a wide range of industrial control applications. Its diagnostic capabilities enhance system maintainability by enabling faster fault detection and troubleshooting.

Engineered for industrial environments, the module delivers stable performance under electrical noise, vibration, and continuous operation conditions. It integrates seamlessly into Allen-Bradley control systems, making it a trusted choice for modern automation infrastructure.

Technical Specifications

Parameter	Specification
Product Model	1794-OB16D
Product Type	Digital DC Output Module
System	Allen-Bradley Flex I/O
Output Channels	16 points
Output Type	24V DC sourcing
Mounting Type	Flex I/O terminal base system
Diagnostic Function	Yes
Communication Compatibility	Rockwell Automation PLC systems
Operating Voltage	24V DC nominal
Weight	0.095 kg (0.21 lb)
Dimensions	94 × 46 × 53 mm

Industrial Applications

The Allen-Bradley 1794-OB16D Flex I/O Digital DC Output Module is designed for distributed industrial automation systems requiring reliable 24V DC output control. It is commonly used in modular Flex I/O architectures for controlling actuators, relays, solenoids, and other field devices in process and factory automation environments.

Typical applications include:

PLC-based machine automation systems
Conveyor and material handling control systems
Industrial packaging machinery output control
Motor starter and relay actuation circuits
Process control valve actuation systems
Discrete output control in distributed I/O networks
OEM machine automation platforms
Manufacturing line control panels

This module is widely used in Rockwell Automation Flex I/O systems to enable scalable and flexible distributed control architecture.

Product Advantages

16-channel 24V DC sourcing output configuration
Built-in diagnostic functions for improved fault detection
Compact modular design for distributed I/O systems
Hot-swappable module capability (system dependent)
High compatibility with Flex I/O terminal base system
Fast switching response for industrial control applications
Reliable operation in harsh industrial environments
Easy integration with Allen-Bradley PLC ecosystems

Technical FAQs

1. What is the main function of this module?

It provides 16 digital 24V DC output channels for controlling field devices in industrial automation systems.

2. What type of outputs does it support?

It supports sourcing (positive switching) DC outputs.

3. How many output channels are available?

It has 16 independent digital output channels.

4. Is this module suitable for distributed control systems?

Yes, it is designed for Flex I/O distributed automation architectures.

5. What kind of devices can it control?

It can drive relays, solenoids, indicator lamps, and control inputs of industrial equipment.

6. Does it include diagnostic functionality?

Yes, it supports diagnostic features for detecting output and wiring faults.

7. What voltage does it operate at?

It operates on a nominal 24V DC industrial control supply.

8. Can it be hot-swapped?

In many Flex I/O configurations, modules can be replaced without full system shutdown, depending on setup.

9. What systems is it compatible with?

It is compatible with Allen-Bradley Flex I/O networks and Rockwell PLC platforms.

10. What industries commonly use this module?

It is widely used in manufacturing, packaging, automotive, and process automation industries.

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Allen Bradley PLC

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