Control elements, actuators, and displays
The reverse operation of computer data gathering is information output, particularly data display and control commands. We now look at the interface aspects of these — the transduction of the computer words to signals appropriate for operating valves, moving dials, running motors, etc. In this context, a control element is a device such as a valve, an actuator is a motor or solenoid which opens and closes the valve, and a display is an indicator on the operator’s console.
KeywordsStepper Motor Control Element Analog Converter Computer Word Actuator Motor
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