Allen Bradley 1794-OB8 Flex I/O Digital DC Output Module

Overview
Allen Bradley 1794-OB8 Flex I/O Digital DC Output Module is a Flex I/O DC digital output module designed for reliable control of industrial field devices such as relays, solenoids, and indicator lights. It is widely used in distributed automation systems where compact output control and stable switching performance are required.

General Information
Part Number: 1794-OB8
Manufacturer: Rockwell Automation
Brand: Allen-Bradley
Country of Origin: USA
Series: Flex I/O (1794 Series)
Module Type: Digital DC Output Module
Output Type: 8-channel DC output
Installation: DIN rail mounted via Flex I/O terminal base
Function: Low-channel digital output control for automation systems

Power Specifications
Supply Voltage: 24 V DC (load side dependent)
Control Voltage: 24 V DC (backplane logic supply)
Power Consumption: 2–4 W typical
Input Power Source: Backplane-powered system
Isolation: Channel-to-backplane isolation
Protection: Over-current and transient protection
Status Indicators: LED channel and module status indicators

Communication & Interface
Backplane Communication: Flex I/O distributed I/O system
Compatible Networks: EtherNet/IP, ControlNet, DeviceNet (via adapters)
Configuration Platform: Studio 5000 / RSLogix
Signal Control: Digital ON/OFF switching output
Diagnostics: Channel fault detection and load monitoring
System Integration: Modular PLC-based distributed control architecture

Environmental
Operating Temperature: -20 to +60 °C
Storage Temperature: -40 to +85 °C
Humidity: 5% to 95% non-condensing
Vibration Resistance: IEC industrial standard compliant
Protection Rating: IP20
Pollution Degree: 2

Dimensions & Weight
Dimensions: 94 × 46 × 53 mm
Weight: 0.073 kg

Compact and efficient output control designed for reliable industrial automation performance.