.IndustrialControlSystems.Logical.Counter.Functions.count

Function logic of a simple counter

Interface

function count
  input Integer val "Current value of counter";
  input Integer preset_val "Preset value";
  input Boolean S "Set signal at time t";
  input Boolean S_old "Set signal at time t-1";
  input Boolean CU "CountUp signal at time t";
  input Boolean CU_old "CountUp signal at time t-1";
  input Boolean CD "CountDown signal at time t";
  input Boolean CD_old "CountDown signal at time t-1";
  input Boolean R "Reset signal at time t";
  input Integer Max "module of the counter";
  output Integer NVal "Current up to date value of the counter ";
  output Boolean Q "Output logic value";
end count;

Revisions

First release of the Industrial Control Systems: April-May 2012