Here's some information about the module:

Type: The 1794-OA8I is an Output module, meaning it is used to control or switch external devices such as solenoids, motors, or lights.

Number of Outputs: It has a total of 8 outputs. Each output can be individually controlled.

Output Type: The module supports relay output type. Relay outputs are commonly used for switching higher-current devices.

Communication: It communicates with the controller or other devices through an I/O Link Bus or DeviceNet communication network, depending on the configuration.

Input Voltage: The module's operating voltage depends on the configuration and depends on the specific power supply module used in the system.