Some Keys features of the 140ACI03000 module may include:

Input Type: The module provides discrete input channels for accepting digital signals from sensors, switches, or other devices. The specific number of input channels may vary depending on the module configuration.

Voltage Level: The module supports different voltage levels for the input signals. It's essential to verify the specific voltage range supported by this module, as it can vary depending on the model.

Compatibility: The 140ACI03000 module is designed to work with the Modicon Quantum rack-based PLC system. It is generally modular and can be plugged into a compatible rack or base unit.

Communication: The module generally communicates with the programmable controller using a backplane communication bus, such as Modbus, Ethernet, or other supported protocols for data exchange between the PLC and the module.

Installation: The module can be mounted in a suitable PLC rack or base unit and typically requires proper configuration and programming within the PLC software environment.