Overview
Allen-Bradley 1756-OA16 /A is a 16-point AC output module engineered for ControlLogix chassis-mounted automation systems. The module is a digital output module with 16 output channels from the ControlLogix series. It operates with a voltage range of 75 Volts AC to 264 Volts AC, with nominal AC voltage ratings of 120 Volts AC and 240 Volts AC. Designed for industrial machinery control, process automation, and equipment interfacing, this module integrates seamlessly with Studio 5000 programming and multi-network ControlLogix architectures.
Key Features
- Maximum output current rating of 0.5 Amps per point and 4 Amps per module at 60 degrees Celsius
- Mechanically fused groups of outputs (8 points per fuse group) for overcurrent protection
- Individual fault states for each point: Hold the Last State, On-State, Off-State, and status indications in Program Mode
- Module multicasts fault and status data to the owner controller or listening controller for real-time diagnostics
- Can be located on any slot within the ControlLogix chassis
- Tolerates 5 to 95% ambient relative humidity without condensation in operation and storage
Technical Specifications
- Module Type: Digital Output (AC)
- Operating Voltage: 75–264V AC
- Nominal Voltage: 120V AC / 240V AC
- Output Points: 16
- Output Current Per Point: 0.5 A (max @ 60°C)
- Module Current: 4 A (max @ 60°C)
- Isolation Voltage: 50V continuous
- Backplane Current: 400 mA @ 5V; 2 mA @ 24V
- Power Dissipation: 6.5 Watts (max @ 60°C)
- Operating Temperature Range: 0–60°C (32–140°F)
- Humidity: 5–95% RH (non-condensing)
- Output Configuration: Two mechanically fused groups, 8 points per group
- Mounting: Requires compatible ControlLogix chassis
- Certifications: UL, CSA, CE, RCM, KC, CCC
Typical Applications
- Machine automation control and motor/pump switching
- Process automation valve and solenoid actuation
- Industrial equipment pilot light and indicator control
- Production line output sequencing and interlocking
- HVAC and facility management digital control
Compatibility & Replacements
Compatible With
- ControlLogix chassis (any slot position)
- Studio 5000 programming environment (Logix Designer)
- EtherNet/IP and ControlNet networked systems
- Allen-Bradley 1756 terminal blocks: 1756-TBNH, 1756-TBSH, 1756-TBCH
- Rockwell Automation FactoryTalk and MES integration
Replaces / Drop-In Replacement For
- Earlier revision 1756-OA16 modules (all revisions compatible within ControlLogix)
- Verify compatibility with your system integrator before ordering
Works With
- Studio 5000 (LogixPro, Logix Designer)
- CompactLogix and SoftLogix ControlLogix platforms (networked configurations)
- EtherNet/IP industrial protocols
- ControlNet real-time networks
- 1492 Interface Modules (IFM) for advanced wiring configurations




