The input/output system forms the interfaces through which field devices are connected to the controller.

Question

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The input/output system, also known as I/O system, is responsible for connecting field devices such as sensors, actuators, and other control elements to the controller. It forms the interfaces that allow the controller to receive input signals from sensors and send output signals to actuators, based on the logic programmed in the control system.

The Input/output System Forms the Interfaces Through Which Field Devices