Allen Bradley | 1756-OB16E | ControlLogix Series | 16-Point DC Output Module

Product Description

The 1756-OB16E digital output module from Allen Bradley’s ControlLogix family is a high-performance DC output unit designed for industrial automation systems. With 16 electronically fused outputs, it provides reliable switching and protection for distributed control applications. Its compact single-slot design, fast response times, and compatibility with removable terminal blocks make it a versatile choice for modern PLC installations.

Technical Specifications

• Manufacturer: Allen Bradley

• Product Line: ControlLogix

• Part Number: 1756-OB16E

• GTIN: 10612598180810

• Category: PLC Output Module

• Module Type: Digital DC Output

• Number of Outputs: 16 channels (electronically fused)

• Nominal Output Voltage: 24 VDC

• Operating Voltage Range: 10–30 VDC

• Extended Voltage Range: 10–31.2 VDC

• Maximum Output Current (per point): 1 A @ 60 °C

• Maximum Output Current (per module): 8 A @ 60 °C

• Output Delay Times:

• OFF to ON: 70 µs nominal / 1 ms max

• ON to OFF: 360 µs nominal / 1 ms max

• Backplane Current Draw:

• 250 mA @ 5.1 VDC

• 2 mA @ 24 VDC

• Power Dissipation: 4.1 W @ 60 °C (140 °F)

• Thermal Dissipation: 13.98 BTU/hr @ 60 °C (140 °F)

• Isolation Voltage: 50 V continuous

• Slot Width: Single slot

• Module Keying: Electronic

• RTB Keying: User-defined mechanical

• Compatible Removable Terminal Blocks: 1756-TBNH, 1756-TBSH

• Weight: 0.56 lbs (0.26 kg)

• Enclosure Type: Open-style

Key Features

• Sixteen DC outputs with electronic fusing for enhanced protection.

• Fast switching response suitable for high-speed automation.

• Compact single-slot design for ControlLogix chassis.

• Flexible terminal block options for simplified wiring.

• Reliable isolation voltage for safe operation.

Application Scenarios

• High-speed machine control requiring multiple DC outputs.

• Distributed automation systems in manufacturing and assembly.

• ControlLogix installations needing electronically fused outputs for protection.

FAQ

Q: What type of outputs does the 1756-OB16E provide?   A: It provides 16 electronically fused DC outputs.

Q: What is the maximum current capacity per channel?  A: Each channel supports up to 1 A at 60 °C.

Q: How does this compare to the 1756-OB16?  A: The 1756-OB16E includes electronic fusing for added protection, while the 1756-OB16 does not.