1 Solenoid valves
Solenoid valve is a device which connects electrical and pneumatic side. There is a coil in solenoid valve and it can be operated by applying relevant voltage. Then coil becomes magnetic and valve can be closed or opened. So pneumatic system can be controlled according to that.
2 Contactors
This device is widely used for power circuit of high power induction motors. By using this can be controlled three phase line according to control signals. When contactor is working that signal can be taken through normally open point of contactor. For some kind of contactors control signal points can be expanded through auxiliary cards.
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