Evolution of Discrete Output Control in Industrial Automation
Industrial automation has evolved from simple relay panels to sophisticated programmable logic controllers. The demand for reliable discrete output modules remains strong, especially for AC-powered devices like motors, valves, and solenoids. The Allen-Bradley 1746-OA16 addresses this need with a robust design for the SLC500 platform.
Introducing the 1746-OA16 Digital AC Output Module
The Allen-Bradley 1746-OA16 is a digital AC output module from the SLC500 series, manufactured by Rockwell Automation. It provides sixteen output channels organized in two groups of eight, delivering 120/240 VAC output with a voltage range of 85 to 265 VAC. This module is designed for general-purpose applications requiring reliable switching of AC loads.
Technical Specifications Analysis
The 1746-OA16 offers an output delay time from OFF to ON of 11.0 ms and from ON to OFF of 1 ms. Its OFF-state leakage current is 2 mA, and the load current is 10 mA. The module draws 0.370 A from the backplane at 5.1 Volts. Continuous current per point is 0.50 A at 30 °C (86 °F) and 0.25 A at 55 °C (131 °F), while maximum continuous current per module is 8.0 A at 30 °C (86 °F) and 4.0 A at 60 °C (140 °F).
Application Scenarios and Use Cases
In manufacturing facilities, the 1746-OA16 can control AC-powered conveyor motors, ensuring precise start/stop sequences. It is also suitable for managing lighting systems in industrial warehouses, where reliable switching under varying load conditions is critical. For process control, this module can actuate solenoid valves in batch processing lines.
Compatibility and Integration
The 1746-OA16 installs as a local or remote I/O module in any SLC500 programmable logic controller processor. It also works with CompactLogix and ControlLogix programmable automation controllers. The module occupies a single slot in the controller chassis and consumes 16-bit I/O memory. There is no limit on the number of modules installed, provided the system power supply can deliver the required current.
Frequently Asked Questions About the 1746-OA16
What is the operating voltage range of the 1746-OA16?
The 1746-OA16 operates with an output voltage of 120/240 VAC and a voltage range of 85 to 265 VAC, as specified in the technical data.
How many output channels does the 1746-OA16 have?
This module features sixteen output channels, arranged in two groups of eight outputs each.
What is the ambient operating temperature range for the 1746-OA16?
The 1746-OA16 is designed for an ambient operating temperature range of 32 to 140 degrees Fahrenheit (0 to 60 degrees Celsius).
Company Strength and Supply Assurance
Petro Auto Tech specializes in providing industrial automation parts, including the Allen-Bradley 1746-OA16. Our team ensures that every component meets quality standards. Please verify current lifecycle status and availability with Petro Auto Tech before ordering.
