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student_documentation:jm3 [2024/02/15 11:05] – Beni Ammannstudent_documentation:jm3 [2024/04/26 13:59] (current) – [BE] Joe Redfield
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-====== Joulemeter (JM3) ======+====== Joulemeter (JM) ======
  
 {{:student_documentation:jm3.png?nolink&450|}} {{:student_documentation:jm3.png?nolink&450|}}
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 {{:student_documentation:jm3_dimensions.png?direct&600|}} {{:student_documentation:jm3_dimensions.png?direct&600|}}
  
-==== 3D moldel ====+==== 3D model ====
  
 {{url>https://cdn.sem-app.com/stl/JM3mockup.html 640,400 noscroll noborder}} {{url>https://cdn.sem-app.com/stl/JM3mockup.html 640,400 noscroll noborder}}
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   - Secure the Joulemeter with Velcro or cable ties ensuring the LEDs are visible and the on/off push button is accessible.   - Secure the Joulemeter with Velcro or cable ties ensuring the LEDs are visible and the on/off push button is accessible.
   - Reconnect the battery to the vehicle electrical system.   - Reconnect the battery to the vehicle electrical system.
-  - Connect the CAN cable to the Joulemeter and the On-Board Computer (OBC).+  - <color /#FBCE07 >For Urban Concept ICE vehicles</color>: connect the CAN cable to the Joulemeter and the On-Board Computer (OBC).
  
 ==== ICE ==== ==== ICE ====
-For all ICE vehicles, the Joulemeter should be installed between the vehicle’s accessory battery and the vehicle’s electrical system. As shown in the figure below, both the positive and negative battery leads pass through the Joulemeter.+<color /#FBCE07 >For all ICE vehicles</color>, the Joulemeter should be installed between the vehicle’s accessory battery and the vehicle’s electrical system. As shown in the figure below, both the positive and negative battery leads pass through the Joulemeter.
  
-For Prototype ICE vehicles, no Joulemeter data cable will be used.+<color /#FBCE07 >For Prototype ICE vehicles</color>, 
 +no Joulemeter data cable will be used.  
 +Installation diagram: {{:student_documentation:2024_prototype_joulemeter_checklist_ice.pdf | Joulemeter installed in ICE}}
  
-For Urban Concept ICE vehicles, wire the Joulemeter data cable in series to the [[student_documentation:lfm|Liquid Flow Meter]] using two CAN cables and a [[T-Splitters|T-Splitter]] mounted on to the LFM. Connect the Joulemeter as the second device following the [[student_documentation:lfm|Liquid Flow Meter]]. At the Backbone, use the connector marked „SENSOR“. +<color /#FBCE07 >For Urban Concept ICE vehicles</color>, 
-For the JM3, use the USB cable for charging only! See charging instruction below.+wire the Joulemeter data cable in series to the [[student_documentation:lfm|Liquid Flowmeter]] using two CAN cables and a [[T-Splitters|T-Splitter]] mounted on to the LFM. Connect the Joulemeter as the second device following the [[student_documentation:lfm|Liquid Flowmeter]]. At the Backbone, use the connector marked „SENSOR“. 
 +For the JM, use the USB cable for charging only! See charging instruction below.
  
-For ICE vehicles using hybrid technology with a Supercap, a second JM3 will be used to measure Supercap voltage.  Install wires from the Supercap positive and negative leads to the JM3 positive and negative input connections.  Connect the JM3 to the CAN network with the help of the T-Splitter and an additional CAN cable. There is no required order of JM3s in the CAN connections.+<color /#FBCE07 >For ICE vehicles using hybrid technology with a Supercap</color>, 
 +a second JM will be used to measure Supercap voltage.  Install wires from the Supercap positive and negative leads to the JM positive and negative input connections.  Connect the JM to the CAN network with the help of the T-Splitter and an additional CAN cable. There is no required order of JMs in the CAN connections.
  
 {{ :student_documentation:icejoulemeter.png?nolink&300 |}}\\ {{ :student_documentation:icejoulemeter.png?nolink&300 |}}\\
 Joulemeter electrical installation (ICE) Joulemeter electrical installation (ICE)
  
-See also [[[[student_documentation:ice|ICE installation schematics]]+See also [[[[student_documentation:ice|ICE installation diagrams]]
  
 ==== BE === ==== BE ===
-For all BE vehicles, the joulemeter should be installed between the propulsion battery and the vehicle electrical system.  As shown below, both the positive and negative battery leads pass through the Joulemeter.+<color /#FBCE07 >For all BE vehicles</color>, 
 +the joulemeter should be installed between the propulsion battery and the vehicle electrical system.  As shown below, both the positive and negative battery leads pass through the Joulemeter.
  
-For BE Prototype vehicles, no data cable will be used.+<color /#FBCE07 >For BE Prototype vehicles</color>, 
 +no data cable will be used.  
 +Installation diagram: {{:student_documentation:2024_prototype_joulemeter_checklist_be.pdf | Joulemeter installed in BE}}
  
-For BE Urban Concept vehicles, connect the JM3 data cable to the „SENSOR“ outlet of the [[student_documentation:bb|Backbone]]. +<color /#FBCE07 >For BE Urban Concept vehicles</color>, 
-For the JM3, use the USB cable for charging only! See charging instruction below.+connect the JM data cable to the „SENSOR“ outlet of the [[student_documentation:bb|Backbone]]. 
 +For the JM, use the USB cable for charging only! See charging instruction below.
  
  
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-See also [[[[student_documentation:be|BE installation schematics]]+See also [[[[student_documentation:be|BE installation diagrams]]
  
 ==== H2 ==== ==== H2 ====
 The Joulemeter should be installed between the accessory battery and the vehicle’s electrical system.  As shown below, both the positive and negative battery leads pass through the Joulemeter. The Joulemeter should be installed between the accessory battery and the vehicle’s electrical system.  As shown below, both the positive and negative battery leads pass through the Joulemeter.
  
-For Prototype Hydrogen vehicles, no Joulemeter data cable will be used.+<color /#FBCE07 >For Prototype Hydrogen vehicles</color>, 
 +no Joulemeter data cable will be used.  
 +Installation diagram for H2: {{:student_documentation:2024_prototype_joulemeter_checklist_h2.pdf | Joulemeter installed in H2}} 
 +Installation diagram for H2 with Supercap: {{:student_documentation:2024_prototype_joulemeter_checklist_h2_supercap.pdf | Joulemeter installed in H2 with Supercap}}
  
-For Urban Concept Hydrogen vehicles, connect the JM3 data cable to the „SENSOR“ outlet of the [[student_documentation:bb|Backbone]]. +<color /#FBCE07 >For Urban Concept Hydrogen vehicles</color>, 
-For the JM3, use the USB cable for charging only! See charging instruction below.+connect the JM data cable to the „SENSOR“ outlet of the [[student_documentation:bb|Backbone]]. 
 +For the JM, use the USB cable for charging only! See charging instruction below.
  
-For vehicles with a Supercap, a second JM3 will be used to measure Supercap voltage.  Install wires from the Supercap positive and negative leads to the JM3 positive and negative input connections.  Connect the JM3 to the CAN network with the help of the T-Splitter and an additional CAN cable. There is no required order of JM3s in the CAN connections.+<color /#FBCE07 >For vehicles with a Supercap</color>,  
 +a second JM will be used to measure Supercap voltage.  Install wires from the Supercap positive and negative leads to the JM positive and negative input connections.  Connect the JM to the CAN network with the help of the T-Splitter and an additional CAN cable. There is no required order of JMs in the CAN connections.
  
  
 {{ :student_documentation:h2_joulemeter.jpg?nolink&400 |}} {{ :student_documentation:h2_joulemeter.jpg?nolink&400 |}}
  
-See also [[[[student_documentation:h2|H2 installation schematics]]+See also [[[[student_documentation:h2|H2 installation diagrams]]
  
 ===== Handling ===== ===== Handling =====
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 **Charging the JM3** **Charging the JM3**
  
-//For Urban Concept Vehicles// +<color /#FBCE07 >For Urban Concept Vehicles</color>, 
- +The JM will be supplied with a fully charged battery.
-The JM3 will be supplied with a fully charged battery.+
 If the device is only switched on when connected to a running OBC, the battery will last for the whole event.  If the device is only switched on when connected to a running OBC, the battery will last for the whole event. 
  
-// For Prototype Vehicles //+<color /#FBCE07 >For Prototype Vehicles</color>, 
 FIXME charging process is under development at the moment FIXME charging process is under development at the moment
  
 {{:student_documentation:jm3:charging_adapter_dimensions.png?direct&400|}} {{:student_documentation:jm3:charging_adapter_dimensions.png?direct&400|}}
  
-A fully chargend Batery will last for at least 4 hours.+A fully charged Battery will last for at least 4 hours.
  
-Charging a fully depleted battery will take about 3 hours. +Charging a fully depleted battery will take about 3+ hours. 
  
 **Characteristics** **Characteristics**
 ^Dimensions | 91.25mm x 85.5mm x 36.5mm (excl. plug)| ^Dimensions | 91.25mm x 85.5mm x 36.5mm (excl. plug)|
 ^Weight| 300g | ^Weight| 300g |
-^Battery lifetime | Fully charged to Low Battery  > 6 hrs  |+^Battery lifetime | Fully charged to Low Battery  > 4 hrs  |
 ^Nominal current range | ±300 A | ^Nominal current range | ±300 A |
 ^Max. pulse current (1 sec) | 1500 A | ^Max. pulse current (1 sec) | 1500 A |
Log In (for D&T Team and Volunteers ONLY) student_documentation/jm3.1707995104.txt.gz · Last modified: 2024/02/15 11:05 by Beni Ammann

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