1756-OB16E | Allen-Bradley | ControlLogix DC Output Module

Overview

The 1756-OB16E is a high-performance DC output module from Allen-Bradley's ControlLogix series. Designed for reliable switching of DC loads, it enables precise control of actuators, relays, and other field devices within a ControlLogix chassis. This module supports extended temperature ranges and robust electrical specifications to meet demanding industrial environments.

Technical Specifications

• Model: 1756-OB16E

• Manufacturer: Allen-Bradley / Rockwell Automation

• Product Type: DC Output Module

• Module Family: ControlLogix

• Number of Outputs: 16 DC points

• Output Type: Sourcing DC outputs

• Output Voltage: 5–30 V DC

• Output Current per Point: 0.5 A max

• Groups: 2 groups of 8 outputs each

• Backplane Current Consumption: 250 mA @ 5V DC

• Isolation Voltage: Tested at 500 V DC between outputs and backplane

• Operating Temperature: 0–60°C (32–140°F)

• Non-Operating Temperature: -40–85°C (-40–185°F)

• Relative Humidity: 5–95% non-condensing

• Shock & Vibration: IEC 60068-2 compliant

• Wire Size: Solid 22–14 AWG; Stranded 22–16 AWG, copper, 90°C

• Dimensions (HxWxD): 90 x 12.7 x 101.6 mm

• Weight: 0.25 kg

• Compatible Power Supplies: 1756-PA75, 1756-PB75

• Mounting: DIN rail or panel mount

Applications

• Controlling actuators, solenoids, and relay coils in ControlLogix systems

• Automation processes requiring precise DC output switching

• Industrial environments with high-reliability demands

FAQ

Q: How many output points does the 1756-OB16E provide?
A: 16 DC output points organized into 2 groups.

Q: Can it handle high-current loads?
A: Each output supports up to 0.5 A, suitable for standard DC actuators and relays.

Q: Is it compatible with CompactLogix controllers?
A: This module is specifically designed for ControlLogix chassis; CompactLogix compatibility is limited.