Output Device | AIChE

Output Device

Converts a computer level signal into an industrial level signal. A device that acts to change a physical condition as a result of a (logic) decision (i.e., fuel shutoff valve, steam turbine governor valves, etc.). In computers, a unit which delivers information from the computer to an external device or from internal storage to external storage. The part of a machine which translates the electrical impulses representing data processed by the machine into permanent results such as printed forms, punched cards, magnetic writing on tape or, into control signals for a process. Used to turn real-world devices on and off. Typical output devices are pilot lights, solenoid valves, and motor starters, actuated either electrically or pneumatically.

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