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Тhe advantages of a relay are that even if the thieves managed to bypass the cars alarm system by using modern jammers, or even unplug the FM device they won't be able to start the engine.
Тhe advantages of a relay are that even if the thieves managed to bypass the cars alarm system by using modern jammers, or even unplug the FM device they won't be able to start the engine.
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=Use cases=
There are three main use cases for a relay
1. Immobilizer relay. <br>
*You will need one relay, device that has one Digital Output and 1-Wire. Тhe relay will switch via driver authentication. <br>
2. Double immobilizer relay. <br>
*You will need two relays, device that has two Digital Outputs and 1-Wire. The relay will switch via driver authentication. <br>
3. Inverted relay. <br>
*You will need one relay. The relay will switch via SMS/GPRS command. <br>
=Product Specification=
=Product Specification=
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=Use cases=
=Instalation=
==Immobilizer relay==
==Immobilizer relay scenario==
[[Image:Relay wiring.png|thumb|Relay Wiring|300px|right]]
[[Image:Relay wiring.png|thumb|Relay Wiring|300px|right]]
When DOUT 2 value is 1, ignition is blocked and the vehicle will not be started. When the iButton/RFID card is attached to the reader, DOUT 2 value changes from 1 to 0 allowing you to start the transport normally.
When DOUT 2 value is 1, ignition is blocked and the vehicle will not be started. When the iButton/RFID card is attached to the reader, DOUT 2 value changes from 1 to 0 allowing you to start the transport normally.
==Double immobilizer relay scenario==
==Double immobilizer relay==
The benefits of double relay scenario is double security.
The benefits of double relay scenario is double security.
If someone manages to bypass the vehicles alarm system, and unplugs the FM device the second relay will prevent engine start.
If someone manages to bypass the vehicles alarm system, and unplugs the FM device the second relay will prevent engine start.
==Inverted relay scenario==
==Inverted relay==
If you do not need driver authentication you can simply control the relay by SMS command ''setdigout'' from your phone.
If you do not need driver authentication you can simply control the relay by SMS command ''setdigout'' from your phone.
[[Category:Accessories]]
[[Category:Accessories]]