ControlLogix 16-Point AC Output Module | Allen-Bradley | 1756-OA16I

Overview

The Allen-Bradley 1756-OA16I is a high-performance ControlLogix digital AC output module featuring 16 individually isolated points. Designed for reliable switching of AC loads in control systems, it provides precise output timing, robust isolation, and efficient power handling suitable for demanding industrial environments.

Technical Specifications

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Model / Part Number: 1756-OA16I

• Product Type: Digital AC Output Module

• Product Line: ControlLogix

• Number of Outputs: 16 isolated AC outputs

• Output Voltage: 120/240 VAC

• Operating Voltage Range: 74–265 VAC

• OFF-to-ON Delay Time: 9.3 ms @ 60 Hz, 11 ms @ 50 Hz

• OFF-State Leakage Current: 3 mA per point

• Continuous Current per Point: 2 A @ 30°C, 1 A @ 60°C (linear derating)

• Maximum Continuous Module Current: 5 A @ 30°C, 4 A @ 60°C

• Backplane Current: 225 mA @ 5.1 VDC; 3 mA @ 24 VDC

• Power Dissipation (Max): 5.5 W @ 60°C

• Isolation Voltage: 50 V continuous

• Removable Terminal Blocks: 1756-TBCH, 1756-TBS6H

• Enclosure: Open-type, no enclosure required

Key Features

• 16 individually isolated outputs for flexible AC load control

• Supports both 120 VAC and 240 VAC systems

• Fast OFF-to-ON switching ensures accurate output timing

• Linear derating accommodates high-temperature operation

• Removable terminal blocks simplify wiring and maintenance

Applications

• AC load control in ControlLogix systems

• Lighting, motor, and solenoid control

• Integration with high-voltage discrete control systems

FAQs

Q1: What is the maximum current per output?
Each output supports 2 A at 30°C and 1 A at 60°C, with module max 5 A / 4 A.

Q2: Does the module support isolated outputs?
Yes, all 16 points are individually isolated for safe AC operation.

Q3: Can it be installed without an enclosure?
Yes, the module is open-type and does not require an enclosure.