Math Consumption Wizard

Math Consumption Wizard

The Wizard simplifies the process of creating and configuring the sensors for the mathematical calculation of fuel consumption.

To open the Wizard, click on the corresponding button in the upper right corner of the Sensors tab of the unit properties.


While opening the math consumption wizard, the system searches for existing engine operation sensors (ignition, relative and absolute operating hours) and engine efficiency sensors, and also checks the values of the previous settings.

The window of the Wizard consists of three sections and looks in the following way:


In the right section, two options may be available for activation according to the previous properties of the unit:

  • Replace current efficiency sensors
    Is shown if engine efficiency sensors have been found. The checkbox of this option is activated by default. In case of pressing OK the sensors created before are replaced by the new ones. If the checkbox is not activated, the new sensors are added to the existing ones.
  • Create previous version-based sensors
    Is shown if some previously configured checkboxes of calculating fuel have been found. If the option is activated, the two sections of the Wizard located below become inactive and are filled with the available data.

In the second section, it is necessary to choose the calculation method: adaptive or static. The adaptive method supposes the calculation of fuel according to the speed of the unit; the static — that the introduced consumption is used for calculating fuel by rates.

The contents of the third section depend on the chosen calculation method. If the adaptive one is chosen, it will be as follows:


  • Consumption in different modes:
    Consumption, l/h — the fuel consumption during idling. If the field is filled in, its value is put in the first ignition sensor. If it is not, then the fuel consumption during idling is calculated as [urban cycle/10] (according to the statistical data).
    Urban cycle, l/100 km — fuel consumption in the urban cycle (obligatory option).
    Suburban cycle, l/100 km — fuel consumption in the suburban cycle.

After pressing the OK button, the ignition sensor is created (or the consumption during idling for the existing sensors is modified), as well as the engine efficiency sensor with the parameter (speed + #speed)/const2. The data for the consumption in urban and suburban cycles and the minimum moving speed from the trip detector is used for the calculation table.

  • Seasonal multiplier, %
    In this part of the math consumption wizard the multiplying or reduction coefficient for different seasons is adjusted. In the Seasonal multiplierfield the coefficient in per cent is indicated (for the reduction coefficient it should be a negative number). In the fields From and To the time frames of the season are entered.

If the values for the seasonal multiplier are indicated, after pressing the OK button the engine efficiency sensor with the parameter time: d is created.

If the static calculation method is selected, the values indicated in the fields below are used for calculating fuel by rates.


  • Consumption, l/100 km — fuel consumption per 100 km. As a result, the engine ignition sensor with the parameter (speed+#speed)/const2 (the consumption is calculated as [fuel consumption/10]) and the engine efficiency sensor with the parameter (speed+#speed)/const20 are created. If a unit had a relative odometer configured, the engine efficiency sensor has the parameter ([odometer]/((time - time)/const3600))/const10.
  • Seasonal consumption, l/100 km — fuel consumption according to the season. The time frames of the season are indicated in the fields Fromand To. As a result, the engine efficiency sensor with a multiplying (the indicated value is higher than the consumption per 100 km) or the reduction (the indicated value is lower than the consumption per 100 km) coefficient time:d is created.

 All the sensors created by means of the math consumption wizard have the word (Wizard) in their names.

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