460 lines
24 KiB
ReStructuredText
460 lines
24 KiB
ReStructuredText
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========
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VW e-Up
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========
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Vehicle Type: **VWUP**
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This vehicle type supports the VW e-UP (2013-, 2020-), Skoda Citigo E IV and the Seat MII electric (2020-).
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Connection can be made via the OBD2 port to the top left of the driving pedals and/or the Comfort CAN bus, e.g. below the passenger seat (T26 connector, instead of the VW OCU there).
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The main difference currently is that the OBD connection enables access to way more metrics (e.g. down to cell voltages), while the Comfort CAN connection is necessary if write access is needed, e.g. for remote climate control.
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The Comfort CAN also provides data in more cases without turning on the car or charging, as the bus wakes on many events (e.g. opening of doors) and can also be woken via OVMS.
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For the full experience, making both connections is recommended.
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Connection to OBD2 is done with the standard OVMS OBD2-cable just below the fuses left of the driving pedals:
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.. image:: 1441200-3.jpeg
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:width: 480px
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.. image:: DSC00369_1024.JPG
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:width: 480px
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Connection to Comfort CAN can be done by removing the OCU below the passenger seat using a custom 26-pin adapter cable to the T26A plug (advantage: the connections for the GSM & GPS-antennas of the car can be used using a Fakra-SMA adapter):
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.. image:: location.png
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:width: 480px
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.. image:: OCU.jpg
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:width: 480px
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.. image:: grinded_ribbon.png
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:height: 200px
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.. image:: fakra_sma.png
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:height: 200px
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.. image:: T26a-Pins.jpg
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:height: 200px
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The passenger seat doesn't need to be removed completely, you can
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access the OCU connection from the back when tilting the unscrewed
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seat to the front. To unscrew the seat you'll need an XZN
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(triple-square / german "Vielzahn") M10 bit. Hint: raise the seat to
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gain access to the rear screws.
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The T26a plug is secured by the white clamp, open it fully to the left
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to unplug.
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If both connections are to be made simultaneously, an adapter cable has to be made with the following connections:
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.. image:: DSC00373_1024.JPG
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:width: 480px
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The cable used between the OBD plug and the DB9-F plug needs to be twisted to avoid transmission problems. A good cable to use here is a CAT-5 or CAT-6 double shielded network cable. Be shure to not only connect CAN hi and CAN lo, but also connect ground.
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=== === ===== ===========================
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T26 OBD DB9-F Signal
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=== === ===== ===========================
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26 4 3 Chassis / Power GND
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. 14 2 can1 L (Can Low)
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. 6 7 can1 H (Can High)
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. . 4 can2 L (Can Low, not used)
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. . 5 can2 H (Can High, not used)
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2 . 6 can3 L (Comfort-can Low)
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14 . 8 can3 H (Comfort-can High)
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1 . 9 +12V Vehicle Power
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=== === ===== ===========================
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**Important note**: the VW T26a pin numbering scheme does not follow
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the IT standard (zig zag) but instead has pins 1-13 left to right on
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the top and 14-26 left to right on the bottom row. See image above.
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After selecting the VW e-Up vehicle module, the corresponding settings have to be made in the web interface via the "VW e-Up" menu under "Features":
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.. image:: Features.png
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:width: 480px
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By default, both connections are activated.
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For more details on the two connection types, please see the corresponding projects:
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:doc:`index_t26`
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:doc:`index_obd`
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The initial code is shamelessly copied from the original projects for the Comfort CAN by Chris van der Meijden and for the OBD2 port by SokoFromNZ.
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List of (possible) metrics via OBD2: `https://www.goingelectric.de/wiki/Liste-der-OBD2-Codes/ <https://www.goingelectric.de/wiki/Liste-der-OBD2-Codes/>`_
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If OBD is selected, a sample page with some charging metrics is shown in the web interface:
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.. image:: Charging_Metrics.png
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:width: 480px
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.. image:: Custom_Metrics.png
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:width: 480px
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Beware: obviously, these values have great uncertainties (in my car, the DC output voltage of the charger is always lower than the voltage of the battery...)
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But e.g. the internal energy counters are very informative :)
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Additional custom web pages (code for the example above is below) can be defined as described here: https://docs.openvehicles.com/en/latest/plugin/README.html?highlight=web%20plugin#installing-web-plugins
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----------------
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Support Overview
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----------------
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=========================== ==============
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Function Support Status
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=========================== ==============
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Hardware Any OVMS v3 (or later) module. Vehicle support: 2013-
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Vehicle Cable Comfort CAN T26A (OCU connector cable, located under front passenger seat) to DB9 Data Cable for OVMS using pin 6 and 8 for can3 _AND_ OBD-II to DB9 Data Cable for OVMS (1441200 right, or 1139300 left) for can1
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GSM Antenna T4AC - R205 with fakra_sma adapter cable or 1000500 Open Vehicles OVMS GSM Antenna (or any compatible antenna)
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GPS Antenna T4AC - R50 with fakra_sma adapter cable or 1020200 Universal GPS Antenna (or any compatible antenna)
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SOC Display Yes
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Range Display Yes
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Cabin Pre-heat/cool Control Yes
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GPS Location Yes (from modem module GPS)
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Speed Display Yes
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Temperature Display Yes (see list of metrics below)
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BMS v+t Display Yes
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TPMS Display tba
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Charge Status Display Yes
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Charge Interruption Alerts Yes (per notification on the charging state)
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Charge Control tba
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Lock/Unlock Vehicle No
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Valet Mode Control No
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Others **See list of metrics below**
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=========================== ==============
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--------------------------
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Supported Standard Metrics
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--------------------------
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The second column specifies the bus from which the metrics are obtained. Metrics via OBD are only updated when the vehicle is on (ignition started) or some in charging mode.
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Metrics via T26 (Comfort CAN) can be updated on demand by waking the Comfort CAN from the OVMS module. During charging, the Comfort CAN automatically wakes every 5% of SoC.
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============================= ========== ======================== ============================================
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Metric name bus Example value Description
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============================= ========== ======================== ============================================
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v.b.12v.voltage direct 12.9 V Current voltage of the 12V battery
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v.b.consumption OBD 0Wh/km Main battery momentary consumption
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v.b.current OBD 23.2 A Current current into (negative) or out of (positive) the main battery
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v.b.energy.recd.total OBD 578.323 kWh Energy recovered total (life time) of the main battery (charging and recuperation)
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v.b.energy.used.total OBD 540.342 kWh Energy used total (life time) of the main battery
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v.b.power OBD 23.234 kW Current power into (negative) or out of (positive) the main battery.
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v.b.range.est T26 99km Estimated range
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v.b.range.ideal T26 48km Ideal range
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v.b.soc OBD, T26 88.2 % Current usable State of Charge (SoC) of the main battery
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v.b.temp OBD 22.5 °C Current temperature of the main battery
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v.b.voltage OBD 320.2 V Current voltage of the main battery
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v.c.12v.current OBD 7.8A Output current of DC/DC-converter
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v.c.12v.power OBD 0.123kW Output power of DC/DC-converter
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v.c.12v.temp OBD 34.5°C Temperature of DC/DC-converter
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v.c.12v.voltage OBD 12.3V Output voltage of DC/DC-converter
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v.c.charging T26 true Is vehicle charging (true = "Vehicle CHARGING" state. v.e.on=false if this is true)
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v.c.climit fixed 16/32A Maximum charger output current
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v.c.current OBD 1.25A Momentary charger output current
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v.c.efficiency OBD 91.3 % Charging efficiency calculated by v.b.power and v.c.power
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v.c.kwh OBD 2.6969kWh Energy sum for running charge
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v.c.mode T26 standard standard, range, performance, storage
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v.c.pilot T26 no Pilot signal present
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v.c.power OBD 7.345 kW Input power of charger
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v.c.state T26 done charging, topoff, done, prepare, timerwait, heating, stopped
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v.c.substate T26 scheduledstop, scheduledstart, onrequest, timerwait, powerwait, stopped, interrupted
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v.c.temp OBD 16°C Charger temperature
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v.c.time T26 0Sec Duration of running charge
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v.c.voltage OBD 0V Momentary charger supply voltage
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v.d.cp T26 yes yes = Charge port open
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v.d.fl T26 yes = Front left door open
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v.d.fr T26 yes = Front right door open
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v.d.hood T26 yes = Hood/frunk open
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v.d.rl T26 yes = Rear left door open
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v.d.rr T26 yes = Rear right door open
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v.d.trunk T26 yes = Trunk open
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v.e.awake T26 no yes = Vehicle/bus awake (switched on)
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v.e.cabintemp T26 20°C Cabin temperature
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v.e.drivetime T26 0Sec Seconds driving (turned on)
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v.e.headlights T26 yes = Headlights on
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v.e.hvac T26 yes = HVAC active
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v.e.locked T26 yes = Vehicle locked
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v.e.on T26 true Is ignition on and drivable (true = "Vehicle ON", false = "Vehicle OFF" state)
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v.e.parktime T26 49608Sec Seconds parking (turned off)
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v.e.serv.range OBD 12345km Distance to next scheduled maintenance/service [km]
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v.e.serv.time OBD 1572590910Sec Time of next scheduled maintenance/service [UTC]
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v.e.temp OBD, T26 Ambient temperature
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v.i.temp OBD Inverter temperature
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v.m.temp OBD 0°C Motor temperature
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v.p.odometer OBD, T26 2340 km Total distance traveled
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v.p.speed T26 0km/h Vehicle speed
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v.vin T26 VF1ACVYB012345678 Vehicle identification number
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============================= ========== ======================== ============================================
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--------------
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Custom Metrics
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--------------
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In addition to the standard metrics above the following custom metrics are read from the car or internally calculated by OVMS using read values.
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============================= ========== ======================== ============================================
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Metric name bus Example value Description
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============================= ========== ======================== ============================================
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xvu.b.cell.delta OBD 0.012 V Delta voltage between lowest and highest cell voltage
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xvu.b.soc.abs OBD 85.3 % Current absolute State of Charge (SoC) of the main battery
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xvu.c.soc.norm OBD 80.5 % Current normalized State of Charge (SoC) of the main battery as reported by charge management ECU
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xvu.c.ac.i1 OBD 5.9 A AC current of AC charger phase 1
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xvu.c.ac.i2 OBD 7.0 A AC current of AC charger phase 2 (only for model 2020+)
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xvu.c.ac.p OBD 7.223 kW Current charging power on AC side (calculated by ECU's AC voltages and AC currents)
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xvu.c.ac.u1 OBD 223 V AC voltage of AC charger phase 1
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xvu.c.ac.u2 OBD 233 V AC voltage of AC charger phase 2 (only for model 2020+)
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xvu.c.dc.i1 OBD 1.2 A DC current of AC charger 1
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xvu.c.dc.i2 OBD 1.2 A AC current of AC charger 2 (only for model 2020+)
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xvu.c.dc.p OBD 6.500 kW Current charging power on DC side (calculated by ECU's DC voltages and DC currents)
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xvu.c.dc.u1 OBD 380 V DC voltage of AC charger 1
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xvu.c.dc.u2 OBD 375 V DC voltage of AC charger 2 (only for model 2020+)
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xvu.c.eff.calc OBD 90.0 % Charger efficiency calculated by AC and DC power
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xvu.c.eff.ecu OBD 92.3 % Charger efficiency reported by the Charger ECU
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xvu.c.loss.calc OBD 0.733 kW Charger power loss calculated by AC and DC power
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xvu.c.loss.ecu OBD 0.620 kW Charger power loss reported by the Charger ECU
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xvu.e.serv.days OBD 78 days Time to next scheduled maintenance/service [days]
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xvu.m.soc.abs OBD 85.3 % Current absolute State of Charge (SoC) of the main battery as reported by motor electronics ECU
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xvu.m.soc.norm OBD 80.5 % Current normalized State of Charge (SoC) of the main battery as reported by motor electronics ECU
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============================= ========== ======================== ============================================
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-----------------------------------------------------
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Example Code for Web Plugin with some custom metrics:
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-----------------------------------------------------
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.. code-block:: html
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<div class="panel panel-primary">
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<div class="panel-heading">Custom Metrics</div>
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<div class="panel-body">
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<hr/>
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<div class="receiver">
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<div class="clearfix">
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<div class="metric progress" data-metric="v.b.soc" data-prec="1">
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<div class="progress-bar value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width:0%">
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<div>
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<span class="label">SoC</span>
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<span class="value">?</span>
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<span class="unit">%</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="xvu.b.soc.abs" data-prec="1">
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<div class="progress-bar progress-bar-info value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width:0%">
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<div>
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<span class="label">SoC (absolute)</span>
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<span class="value">?</span>
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<span class="unit">%</span>
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</div>
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</div>
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</div>
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</div>
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<div class="clearfix">
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<div class="metric number" data-metric="v.b.energy.used.total" data-prec="2">
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<span class="label">TOTALS: Used</span>
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<span class="value">?</span>
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<span class="unit">kWh</span>
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</div>
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<div class="metric number" data-metric="v.b.energy.recd.total" data-prec="2">
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<span class="label">Charged</span>
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<span class="value">?</span>
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<span class="unit">kWh</span>
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</div>
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<div class="metric number" data-metric="v.p.odometer" data-prec="0">
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<span class="label">Odo</span>
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<span class="value">?</span>
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<span class="unit">km</span>
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</div>
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<div class="metric number" data-metric="v.e.serv.range" data-prec="0">
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<span class="label">SERVICE: Range</span>
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<span class="value">?</span>
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<span class="unit">km</span>
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</div>
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<div class="metric number" data-metric="xvu.e.serv.days" data-prec="0">
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<span class="label">Days</span>
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<span class="value">?</span>
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<span class="unit"></span>
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</div>
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</div>
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<h4>Battery</h4>
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<div class="clearfix">
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<div class="metric progress" data-metric="v.b.voltage" data-prec="1">
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<div class="progress-bar value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="300" aria-valuemax="420" style="width:0%">
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<div>
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<span class="label">Voltage</span>
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<span class="value">?</span>
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<span class="unit">V</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="v.b.current" data-prec="1">
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<div class="progress-bar progress-bar-danger value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-200" aria-valuemax="200" style="width:0%">
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<div>
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<span class="label">Current</span>
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<span class="value">?</span>
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<span class="unit">A</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="v.b.power" data-prec="3">
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<div class="progress-bar progress-bar-warning value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-70" aria-valuemax="70" style="width:0%">
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<div>
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<span class="label">Power</span>
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<span class="value">?</span>
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<span class="unit">kW</span>
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</div>
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</div>
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</div>
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</div>
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<div class="clearfix">
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<div class="metric number" data-metric="v.b.temp" data-prec="1">
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<span class="label">Temp</span>
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<span class="value">?</span>
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<span class="unit">°C</span>
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</div>
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<div class="metric number" data-metric="xvu.b.cell.delta" data-prec="3">
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<span class="label">Cell delta</span>
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<span class="value">?</span>
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<span class="unit">V</span>
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</div>
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</div>
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<h4>Temperatures</h4>
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<div class="clearfix">
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<div class="metric progress" data-metric="v.e.temp" data-prec="1">
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<div class="progress-bar progress-bar-warning value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-10" aria-valuemax="40" style="width:0%">
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<div>
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<span class="label">Ambient</span>
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<span class="value">?</span>
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<span class="unit">°C</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="v.e.cabintemp" data-prec="1">
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<div class="progress-bar progress-bar-warning value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-10" aria-valuemax="40" style="width:0%">
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<div>
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<span class="label">Cabin</span>
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<span class="value">?</span>
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<span class="unit">°C</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="v.b.temp" data-prec="1">
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<div class="progress-bar progress-bar-warning value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-10" aria-valuemax="40" style="width:0%">
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<div>
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<span class="label">Battery</span>
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<span class="value">?</span>
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<span class="unit">°C</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="v.c.temp" data-prec="1">
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<div class="progress-bar progress-bar-warning value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-10" aria-valuemax="40" style="width:0%">
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<div>
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<span class="label">Charger</span>
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<span class="value">?</span>
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<span class="unit">°C</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="v.c.12v.temp" data-prec="1">
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<div class="progress-bar progress-bar-warning value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-10" aria-valuemax="40" style="width:0%">
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<div>
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<span class="label">DC/DC-Converter</span>
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<span class="value">?</span>
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<span class="unit">°C</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="v.i.temp" data-prec="1">
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<div class="progress-bar progress-bar-warning value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-10" aria-valuemax="40" style="width:0%">
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<div>
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<span class="label">Inverter</span>
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<span class="value">?</span>
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<span class="unit">°C</span>
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</div>
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</div>
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</div>
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<div class="metric progress" data-metric="v.m.temp" data-prec="1">
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<div class="progress-bar progress-bar-warning value-low text-left" role="progressbar"
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aria-valuenow="0" aria-valuemin="-10" aria-valuemax="40" style="width:0%">
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<div>
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<span class="label">Motor</span>
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<span class="value">?</span>
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<span class="unit">°C</span>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
----------------
|
|
Custom Data Logs
|
|
----------------
|
|
|
|
^^^^^^^^^^^^^^^^^^
|
|
SOC Monitoring Log
|
|
^^^^^^^^^^^^^^^^^^
|
|
|
|
The SOC monitoring log provides detailed data about the correlations
|
|
and connections between the various SOCs, voltage level & energy/coulomb
|
|
charge/discharge amounts.
|
|
|
|
You need to enable this log explicitly by configuring a storage time via
|
|
config param ``xvu log.socmon.storetime`` (in days). Set to 0/empty to
|
|
disable the log. Already stored log entries will be kept on the server
|
|
until expiry or manual deletion.
|
|
|
|
Log entries are created on SOC changes while charging and every 10 seconds
|
|
while driving.
|
|
|
|
- Notification subtype: ``xvu.log.socmon``
|
|
- History record type: ``XVU-LOG-SOCMon``
|
|
- Format: CSV
|
|
- Archive time: config ``xvu log.socmon.storetime`` (days, 0=off)
|
|
- Fields/columns:
|
|
|
|
* temp -- battery temperature [°C]
|
|
* charging -- 0/1
|
|
* soc_abs_bms -- absolute SOC from BMS (ECU 8C PID 028C) [%]
|
|
* soc_abs_eng -- absolute SOC from engine (ECU 01 PID F45B) [%]
|
|
* soc_norm_cmg -- normalized user SOC from charge manager (ECU BD PID 1DD0) [%]
|
|
* soc_norm_eng -- normalized user SOC from engine (ECU 01 PID 1164) [%]
|
|
* soc_norm -- previously selected soc_norm_eng while driving, now always soc_norm_cmg [%]
|
|
* voltage -- momentary total battery voltage [V]
|
|
* current -- momentary battery current, negative = charging [A]
|
|
* soh -- state of health, sourced as configured [%]
|
|
* cac -- battery capacity, sourced as configured [Ah]
|
|
* energy_used -- total car energy discharge counter [kWh]
|
|
* energy_recd -- total car energy charge counter [kWh]
|
|
* coulomb_used -- total car coulomb discharge counter [Ah]
|
|
* coulomb_recd -- total car coulomb charge counter [Ah]
|
|
* pack_vavg -- average cell voltage [V]
|
|
* pack_vmin -- minimum cell voltage [V]
|
|
* pack_vmax -- maximum cell voltage [V]
|
|
* pack_vstddev -- cell voltage standard deviation [V]
|
|
* pack_vgrad -- cell voltage series quality (gradient)
|
|
* energy_range -- remaining usable energy from MDF range estimation (ECU 17 PID 22E4) [kWh]
|
|
|
|
|