blockTimeTable

Table look-up with respect to time with constant segments
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Information

Block that outputs true/false time table values.

The block takes as a parameter a time table of a format: 

table = [ 0*3600, 0;
          6*3600, 1;
          6*3600, 0;
         18*3600, 1;
         18*3600, 1];
period = 24*3600;

where the first column of table is time and the remaining column(s) are the table values. The time column contains Real values that are in units of seconds if timeScale = 1. The parameter timeScale can be used to scale the time values, for example, use timeScale = 3600 if the values in the first column are interpreted as hours.

The values in column two and higher must be 0 or 1, otherwise the model stops with an error.

Until a new tabulated value is set, the previous tabulated value is returned.

The table scope is repeated periodically with periodicity period.

Parameters

TypeNameDefaultDescription
Real[:,:]tableTable matrix with time as a first column (in seconds, unless timeScale is not 1) and 0 for False or 1 for True in all other columns
RealtimeScale1Time scale of first table column. Set to 3600 if time in table is in hours
RealperiodPeriodicity of table

Connectors

TypeNameDefaultDescription
Buildings.Controls.OBC.CDL.Interfaces.BooleanOutput[nout]yOutput with tabulated values

Revisions

  • October 21, 2021, by Michael Wetter:
    Removed writing output value in icon (as it is an array of values).
  • November 12, 2020, by Michael Wetter:
    Reformulated to remove dependency to Modelica.Units.SI.
    This is for Buildings, issue 2243.
  • October 8, 2020, by Michael Wetter:
    Revised implementation to use integer time table for its implementation.
  • September 14, 2020, by Milica Grahovac:
    Initial CDL implementation based on continuous time table implementation in CDL.