SENSE RELAY
The relay is a component that uses a set of contacts for electromagnetic operating switch. The most simple order using wire coil conductor who twirled on the iron core. When the coil is in the voltage or give the trigger, then the magnetic field attracts armature which pivots are used as levers mechanism of the switch.
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| Figure 1-1 Example of Relay |
TYPES OF RELAY
Based on the way things work
- Normalopen (normallyopen)contactsthe switch, whichwill beclosed ifrelaysarethe trigger(switched on).
- Normalclosed (Normallyclose), namelyswitchcontactopensifthe triggerwas given a relay(switched on).
- connect the switch contacts, exchange rates move from one pole to the other pole when the relay is turned on.
- If the inflows on the coil, the coil will become instantly magnetic field. Electric current is an interesting area so that the switch is working.
Based on construction
- menggrendelRelay,relaytype, whocontinues to workdespite thesource powercoilhave beeneliminated.
- Relay tally, which is used for switching the relay fast low power. Made from a ferromagnetic tally two dikapsulkan in a glass tube. The coil is wound around the glass tube.
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