The 1756-OA16I ControlLogix Isolated AC Output Module from Rockwell Automation is a high-reliability 16-point isolated AC digital output module designed for industrial automation systems requiring enhanced electrical isolation and stable AC load switching performance.
Unlike standard AC output modules, the 1756-OA16I provides individually isolated output groups, helping improve system protection, reduce electrical interference, and enhance operational stability in demanding industrial environments. It is widely used in manufacturing systems, process automation, heavy industrial equipment, and machine control applications where dependable AC output control is essential.
Its rugged construction and seamless ControlLogix integration make it a preferred solution for mission-critical automation systems.
Technical Specifications (Including Size & Weight)
| Parameter | Specification |
|---|---|
| Model | 1756-OA16I |
| Series | ControlLogix Digital Output Modules |
| Module Type | 16-Point Isolated AC Output Module |
| Number of Outputs | 16 isolated outputs |
| Output Voltage Range | 74–265V AC |
| Nominal Voltage | 120/240V AC |
| Output Category | AC discrete outputs |
| Isolation Type | Individually isolated output groups |
| 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) | ~320 mA |
| Power Dissipation | ~6.5 W |
| Signal Delay | 9 ms ON / 11 ms OFF typical |
| Compatible Terminal Blocks | 1756-TBS6H / 1756-TBCH |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5%–95% non-condensing |
| Weight | ~0.35–0.50 kg |
Physical Dimensions
- Size (H × W × D): 145 × 35 × 140 mm
Its compact single-slot format enables efficient high-density installation within standard ControlLogix chassis systems.
Recommended Related Models
The 1756-OA16I is commonly integrated with:
- 1756-IB16 digital input module
- 1756-OB16 DC output module
- 1756-IF8 analog input module
- 1756-L71 / L73 ControlLogix processors
- 1756-EN2T EtherNet/IP communication modules
Popular Allen-Bradley ControlLogix Output Modules
Within the ControlLogix output module family, widely used models include:
- 1756-OA16 isolated AC output module
- 1756-OA16I enhanced isolated AC output module
- 1756-OB16 DC output module
- 1756-OW16I relay output module
- 1756-OF8 analog output module
These modules provide scalable and dependable industrial output control solutions for complex automation systems.
