



The 1756-OA16 ControlLogix Digital AC Output Module from Rockwell Automation is a reliable industrial 16-point AC output module designed for high-performance discrete control applications within the ControlLogix platform.
Engineered for demanding automation environments, the 1756-OA16 provides dependable switching control for AC-powered field devices such as contactors, relays, indicator lamps, alarms, and industrial actuators. Its rugged industrial design and fast response capability make it an excellent choice for manufacturing systems, process automation, and large-scale machine control applications.
The module integrates seamlessly into ControlLogix chassis systems, delivering stable operation and scalable I/O expansion for modern industrial automation architectures.
Technical Specifications (Including Size & Weight)
| Parameter | Specification |
|---|---|
| Model | 1756-OA16 |
| Series | ControlLogix Digital Output Modules |
| Module Type | 16-Point AC Digital Output Module |
| Number of Outputs | 16 outputs |
| Output Voltage Range | 74–265V AC |
| Nominal Voltage | 120/240V AC |
| Output Category | AC discrete outputs |
| Output Configuration | Electronically fused outputs |
| Continuous Current per Point | 0.5 A |
| Continuous Current per Module | 8 A |
| Surge Current | 5 A for 43 ms |
| Voltage Isolation | 250V continuous |
| Backplane Current (5.1V DC) | ~300 mA |
| Power Dissipation | ~6.2 W |
| Signal Delay | 9 ms ON / 11 ms OFF typical |
| Removable Terminal Block | 1756-TBS6H / 1756-TBCH |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5%–95% non-condensing |
| Weight | ~0.35–0.45 kg |
Physical Dimensions
- Size (H × W × D): 145 × 35 × 140 mm
The compact single-slot design allows efficient cabinet installation while supporting high-density AC output control applications.
Recommended Related Models
The 1756-OA16 is frequently used together with:
- 1756-IB16 digital input module
- 1756-OB16 DC output module
- 1756-IF8 analog input module
- 1756-L71 / L73 ControlLogix CPUs
- 1756-EN2T EtherNet/IP communication modules
Popular Allen-Bradley ControlLogix I/O Modules
Within the ControlLogix I/O family, widely used models include:
- 1756-OA16 AC output module
- 1756-OB16 DC output module
- 1756-IB16 digital input module
- 1756-IF8 analog input module
- 1756-OF8 analog output module
These modules provide scalable and reliable I/O solutions for industrial automation systems.