Overview
Allen Bradley 1794-OB16 Flex I/O Digital DC Output Module is a Flex I/O DC digital output module designed for controlling low-voltage industrial devices such as solenoids, relays, and indicator lights. It is widely used in distributed automation systems where reliable DC output switching is required for PLC-based control applications.
General Information
Part Number: 1794-OB16
Manufacturer: Rockwell Automation
Brand: Allen-Bradley
Country of Origin: USA
Series: Flex I/O (1794 Series)
Module Type: Digital DC Output Module
Output Type: 16-channel DC output
Installation: DIN rail mounted via Flex I/O terminal base
Function: Low-voltage digital output control for industrial automation
Power Specifications
Supply Voltage: 24 V DC (output/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 output switching
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: 0.078 kg
Compact and reliable DC output control built for modern industrial automation efficiency.