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miércoles, 19 de abril de 2017
7. ELECTROMAGNETIC CONTROL SYSTEMS.
7. ELECTROMAGNETIC CONTROL SYSTEMS.
An electromagnetic control system activates the various parts of a machine, at the right moment and for the right amount of time, ensuring that the machine functions properly.
7.1. Cam switch controller.
The device on the side of the pulley in the picture above is called a cam.
7.2. Limit switches.
The battery provides power for the pump, which moves water from the lower tank to the upper tank. When the upper tank is full, a limit switch turns off the pump.
Normally closed (N/C)
It opens when it is activated.
Normally open (N/O)
It closes when it is activated.
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