1794-OA8 | Allen-Bradley | Output Module

Description

The Allen-Bradley 1794-OA8 Flex I/O Digital AC Output Module is designed for industrial applications requiring digital output control. It operates with a nominal on-state output voltage of 120V AC and an operating voltage range of 85-132V AC. Featuring 8 outputs, each output can handle a maximum current of 750mA and a minimum current of 5mA. The maximum current per module is capped at 4A. The FLEXBus current consumption is 80mA.

The module is specified with maximum power dissipation values varying based on the current load: 4.1W @ 0.5A, 6.3W @ 0.75A, and 6.3W @ 1.0A. It is recommended to use the 1794-TBNF terminal base unit, although other terminal base units such as 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBN, and 1794-TBKD are also available.

Technical Specifications

Information About 1794-OA8

The Allen-Bradley 1794-OA8 Flex I/O Digital AC Output Module is designed for industrial applications requiring digital output control. It operates within an input voltage range of 85-132V AC and features 8 outputs. The nominal on-state output voltage is 120V AC, providing stable output performance within the specified range.

Each output of the module can handle a maximum current of 750mA and a minimum current of 5mA. The maximum current per module is limited to 4A, ensuring efficient and reliable operation within the designated parameters. The module's FLEXBus current consumption is 80mA, which contributes to its overall functionality within the system.

The maximum power dissipation varies depending on the current load. At 0.5A, the power dissipation is 4.1W, while at 0.75A and 1.0A, it increases to 6.3W. These values provide insights into the module's thermal characteristics and energy consumption under different operating conditions.

For optimal performance, the recommended terminal base unit for the 1794-OA8 module is the 1794-TBNF. However, various other terminal base units are available, including 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBN, and 1794-TBKD, offering flexibility in system configuration.

It's important to note that the 1794-OA8 Module is not fused. As a result, external channel fusing or the use of fused terminal bases (TBNF) is necessary for safe operation when utilizing the module in industrial setups. This precaution helps prevent potential electrical hazards and ensures compliance with safety regulations.

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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