VCOM Term 2.0 editor

    Overview of defined abbreviations

     

    Name

    Abbreviation

    Unit

    Chart

    Energery production (total)

    E_Z_EVU

    kWh

    Energy production

    Meter of Subsystem

    E_Z_PV[1..x]

    kWh

    Meter comparsion

    Energy export

    M_AC_E_EXP

    kWh

    Own consumption

    Energy import

    M_AC_E_IMP

    kWh

    Own consumption

    Energy own consumption

    M_AC_E_OWN

    kWh

    Own consumption

    Irradiance

    G_M0

    W/m²

    Energy production

    Temperature module

    T_M[0..x]

    °C


    Temperature Ambient

    T_U[0..x]

    °C


    Windspeed

    W_V[0..x]

    m/s


    Winddirection

    W_D[0..x]

    °



    Data source



    Device selection

    Any configured device can be selected seperately. If no device is selected the sum of all will be taken


    Edit term

    Designation: can be chosen freely
    Abbreviation: if possible use defined abbreviation, at the top of this page
    Type: define data aggregation for period week, moth, year total. example:
    1. temperature values should be shown as average
    2. energy values should be shown as sum

    In the following the datapoint M_E_INT_EXP of the Meter ID171843 is defined as the energy sum.


    Functions

    If or NULL

    requires exactly two arguments

    Formula

    Result

    if(100 > 1; 200)

    200

    if(0 > 1; 200)

    NULL

    If or Else

    requires exactly three arguments

    Formula

    Result

    if(100 > 1; 200; 300)

    200

    if(0 > 1; 200; 300)

    300

    Sum

    requires at least two arguments

    Formula

    Result

    sum(100; 200; 300; NULL)

    600

    sum(NULL; NULL)

    NULL

    sum(0; 0)

    0

    Average

    requires at least two arguments

    Formula

    Result

    average(200; NULL; 400)

    300

    average(NULL; NULL)

    NULL

    average(0; 0)

    0

    Median

    requires at least two arguments

    Formula

    Result

    median(200; NULL; 400)

    300

    median(300; 700; 100)

    300

    median(NULL; NULL)

    NULL

    Min

    requires at least two arguments

    Formula

    Result

    min(-50; NULL; 3)

    -50

    min(800; 7; 42)

    7

    min(NULL; NULL)

    NULL

    Max

    requires at least two arguments

    Formula

    Result

    max(-50; NULL; 3)

    3

    max(800; 7; 42)

    800

    max(NULL; NULL)

    NULL

    Tilted irradiance

    Calculates the tilted irradiance for the given arguments:

    1. horizontal irradiation
    2. tilt angle (0 = horizontal, 90 = horizontal)
    3. orientation angle (0 = north, 90 = east, 180 = south, 270 = west)

    Formula

    Result

    tilted_irradiance(NULL;20;180)

    NULL

    tilted_irradiance(500;NULL;180)

    NULL

    tilted_irradiance(500;20;NULL)

    NULL

    tilted_irradiance(500;20;180)

    (Result will vary based on date, time and the location of the system)

    Published