Allen-Bradley | 1756-OA16 | ControlLogix

Product Description: Allen-Bradley 1756-OA16

The Allen-Bradley 1756-OA16 is a 16-point AC digital output module designed for use in ControlLogix systems. It provides reliable control of AC loads, suitable for industrial applications requiring high- voltage output switching. The module contains two groups of 8 outputs each, with mechanical fuses for protection and field-side isolation.

Key Features

• 16 individually isolated AC output channels
• Two groups of 8 outputs with independent fuses
• Supports voltage range of 74 to 265V AC, 47–63 Hz
• Output current:
  • 0.5 A per point
• Programmable output states for Program and Fault modes
• Removable terminal block compatible (e.g., 1756-TBNH or 1756-TBSH)
• Diagnostic and status indicators
• Electronic keying supported

Technical Specifications

• Voltage Category: 120/240V AC
• Operating Voltage: 74–265V AC
• Frequency: 47 to 63 Hz
• Surge Current: 5 A for 43 ms per point, repeatable every 2 seconds
• Minimum Load Current: 10 mA
• Off-State Leakage Current: ≤ 3 mA
• On-State Voltage Drop: 1.5V at 0.5 A
• Isolation Voltage: 250V continuous
• Backplane Current Draw: 400 mA at 5.1V DC; 2 mA at 24V DC
• Power Dissipation: 6.5 W at 60°C
• Thermal Dissipation: 22.17 BTU/hr
• Operating Temperature: 0 to 60°C
• Storage Temperature: -40 to 85°C
• Relative Humidity: 5% to 95% non-condensing
• Certifications: UL, CE, CSA, KCC, C-Tick, FM

Application Areas

• Industrial equipment control
• Packaging and sorting systems
• Process automation
• Building and facility automation
• Large-scale manufacturing environments

Advantages

• High-density output reduces slot usage in chassis
• Reliable mechanical fuse protection
• Supports flexible and fault-tolerant programming
• Integrates seamlessly with ControlLogix architecture
• Suitable for wide range of AC load applications