1756-OB16I ControlLogix Allen-Bradley Discrete Output Module

Description

The 1756-OB16I is a ControlLogix Discrete Output Module by Allen-Bradley, offering 16 individually isolated DC output points with sink-source capabilities. It operates across a voltage range of 12-24 VDC, delivering high current ratings and efficient performance with rapid switching times.

Module Details

• Manufacturer: Rockwell Automation

• Brand: Allen-Bradley

• Model: 1756-OB16I

• Series: ControlLogix

• Module Type: Isolated DC Output Module

• Outputs: 16-point individually isolated

Electrical Performance

• Operating Voltage Range: 10-30 VDC

• Output Voltage: 12-24 VDC Sink-Source

• Output Delay Time:

• OFF to ON: 1 ms max

• ON to OFF: 2 ms max

• Current per Point:

• 2 A @ 30°C (86°F)

• 1 A @ 60°C (140°F) (linear derating)

• Current per Module:

• 8 A @ 30°C (86°F)

• 4 A @ 60°C (140°F) (linear derating)

Thermal Characteristics

• Power Dissipation (Max): 3.6 W at 60°C

Backplane and Connections

• Backplane Current:

• 5 VDC: 350 mA

• 24 VDC: 3 mA

• Removable Terminal Block(s): 1756-TBCH, 1756-TBS6H

Safety and Isolation

• Isolation Voltage: 50 V Continuous