Allen-Bradley 1756-OB16 – digital output module

The Allen-Bradley 1756-OB16 is a digital output module designed for the ControlLogix automation platform. It provides 16 output channels used to control field devices such as relays, solenoids, contactors and indicator lights in industrial automation systems.

The module delivers reliable switching of 24V DC signals and communicates with the ControlLogix processor through the high-speed backplane bus, enabling fast and stable operation within PLC control systems.

Technical overview:
• Series: ControlLogix
• Module type: Digital output module
• Model: 1756-OB16
• Number of outputs: 16 channels
• Output voltage: 24 V DC nominal
• Output voltage range: approx. 10–31.2 V DC
• Max current per channel: approx. 1 A
• Total module current: approx. 8 A
• Output type: sourcing DC outputs
• Backplane current: approx. 250 mA @ 5.1 V DC
• Operating temperature: 0°C to +60°C
• Mounting: ControlLogix chassis

Typical applications:
• PLC automation systems
• Industrial machine control
• Actuator and relay control
• Production line automation
• Industrial process control

About the manufacturer:
Allen-Bradley, part of Rockwell Automation, is one of the leading manufacturers of industrial automation technologies. The company develops PLC platforms, motion control systems, industrial communication networks and integrated automation solutions widely used across manufacturing industries worldwide.