![]() ![]() Inputs from Flow switches, level switches, Pressure switches, Proximity switches, Limit switches, auxiliary contact of contactor etc are called Digital Inputs. Inputs are Temperature, Pressure, Flow rate, Humidity, Level etc called as Analog Inputs. SCADA I/O modules are devices that are Input / Output to a SCADA. ![]() Devices for communication between computers, such as modems and network cards, typically serve for both input and output. For instance, a keyboard or a mouse may be an input device for a computer, while monitors and printers are considered output devices for a computer. I/O devices are used by a person (or other system) to communicate with a computer. The term can also be used as part of an action to "perform I/O" is to perform an input or output operation. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. In computing, input/output, or I/O, refers to the communication between an information processing system (such as a computer), and the outside world, possibly a human, or another information processing system.
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