WOLFRAM SYSTEM MODELER
    RampGenerate ramp signal based on counted clock ticks  | 
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SystemModel["Modelica.Clocked.RealSignals.TickBasedSources.Ramp"]

This information is part of the Modelica Standard Library maintained by the Modelica Association.
The Real output y is a ramp signal. The signal is defined in terms of clock ticks instead of simulation time:
| height | 
         Value: 1 Type: Real Description: Height of ramps  | 
    
|---|---|
| durationTicks | 
         Value: 1 Type: Integer Description: Durations of ramp in number of clock ticks  | 
    
| offset | 
         Value: 0 Type: Real Description: Offset of output signal  | 
    
| startTick | 
         Value: 1 Type: Integer Description: Output y = offset for clock tick < startTick  | 
    
| y | 
         Type: RealOutput Description: Connector of clocked, Real output signal  | 
    
|---|
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         Modelica.Clocked.Examples.Elementary.RealSignals Example of using the clocked tick based Ramp source block  |