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student_documentation:relay [2023/12/04 14:57] – Beni Ammannstudent_documentation:relay [2024/07/03 02:22] (current) – Beni Ammann
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 Before the event, teams should identify and test with a switch the circuit that will be wired through the shutdown relay. Before the event, teams should identify and test with a switch the circuit that will be wired through the shutdown relay.
 +
 +The maxumum current flowing through the Relais must not exceede 2 Ampere
 +
  
 ===== ICE ===== ===== ICE =====
  
-  * The shutdown relay must kill the engine when the relay is activated. +The shutdown relay must kill the engine when the relay is activated.
-  * Connections can made be from N to NC (Normally Closed, will open when relay is activated) or from N to NO (Normally Open, will close when relay is activated) depending on system configuration +
-  * Maximum current = 1 amps+
  
  
-* Option 1 – directly enables engine ECU (NC)+Connections can made be from N to NC (Normally Closed, will open when relay is activated) or from N to NO (Normally Open, will close when relay is activated) depending on system configuration 
 + 
 + 
 +**Maximum current = 2 amps** \\ 
 +**Maximum voltage = 24 volt** \\ 
 + 
 + 
 + 
 +  * Option 1 – directly enables engine ECU (NC)
    
-* Option 2 – directly disables engine ECU (NO) +  * Option 2 – directly disables engine ECU (NO) 
  
-* Option 3 – Connected in series (NC contacts) with deadman switch if electronic+  * Option 3 – Connected in series (NC contacts) with deadman switch if electronic
  
 Examples for ICE Examples for ICE
 {{ :student_documentation:Shutdown_Relay_ICE.JPG?nolink&400 |}} {{ :student_documentation:Shutdown_Relay_ICE.JPG?nolink&400 |}}
  
-THE SHUTDOWN RELAY MUST NOT BE CONNECTED TO THE IGNITION COIL OR E-STOP. +THE SHUTDOWN RELAY MUST NOT BE CONNECTED TO THE IGNITION COIL. 
  
  
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 The shutdown relay must disable vehicle propulsion when the relay is activated. The shutdown relay must disable vehicle propulsion when the relay is activated.
 +
 +
 Connections can be made from N to NC (Normally Closed, will open when relay is activated) or from N to NO (Normally Open, will close when relay is activated) depending on system configuration. Connections can be made from N to NC (Normally Closed, will open when relay is activated) or from N to NO (Normally Open, will close when relay is activated) depending on system configuration.
-Maximum relay current = 1 amps. + 
-   + 
-  * Option 1 disables motor control when activated +**Maximum current = 2 amps** \\ 
-     NC contacts on motor controller on/off +**Maximum voltage = 24 volt** \\ 
-  * Option 2 grounds motor controller when activated + 
-     NO contacts for motor controllers with this feature +  * Option 1 - disables motor control when activated 
-  * Option 3 disables throttle/speed input when activated +    * NC contacts on motor controller on/off 
-      NC contacts to remove motor controller throttle input. Note, you may need to install and pull up/pull down resistor for correct motor controller operation when relay is activated.+  * Option 2 - grounds motor controller when activated 
 +    * NO contacts for motor controllers with this feature 
 +  * Option 3 - disables throttle/speed input when activated 
 +    * NC contacts to remove motor controller throttle input.  
 + 
 +Note, you may need to install and pull up/pull down resistor for correct motor controller operation when relay is activated.
  
 Examples for BE and H2 Examples for BE and H2
Log In (for D&T Team and Volunteers ONLY) student_documentation/relay.1701701871.txt.gz · Last modified: 2023/12/04 14:57 by Beni Ammann

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