The Role of the PC
1-2-2
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Output Devices
A PC can output to a myriad of devices for use in automated control. Almost any-
thing that you can think of could be controlled (perhaps indirectly) by a PC. Some
of the most common devices are motors, Solenoids, Servomotors, Stepping
Motors, valves, switches, indicator lights, buzzers, and alarms. Some of these
output devices; such as the motors, Solenoids, Servomotors, Stepping Motors,
and valves; affect the controlled system directly. Others; such as the indicator
lights, buzzers, and alarms; provide output to notify personnel.
Solenoid
Stepping Motor
Section
1-2
Servomotor
5