The 1794-OE4 is a digital output module for the Allen-Bradley Flex I/O series of modular programmable logic controllers (PLCs). It provides 4 digital output channels for controlling external devices in an industrial automation system.

Here are some key features and specifications of the 1794-OE4 module:

Digital Outputs: The module offers 4 digital output channels, each capable of providing either a sinking or a sourcing output.

Output Ratings: The 1794-OE4 module supports output voltage ranges of 10-60V DC.

Current Rating: The module can handle a maximum current load of 2A per output channel and 8A per module.

Diagnostic LEDs: Each output channel has an associated status LED, providing visual indication of the output state and allowing for quick troubleshooting.

Removable Terminal Block: The 1794-OE4 module features a removable terminal block, making wiring and module replacement or maintenance easier.

Compatibility: The module is designed for use with the Flex I/O chassis and is compatible with various Flex I/O controllers.