#include pins.h
#include vars.h

  portset(OUTPUT_FUEL);         //turn ON fuel valve
  portset(OUTPUT_IGNITION);     //turn ON sparkle relay

  proc=plc_proc_ignition;

  timer=timeout_ignition; do{ timer--; }while(timer>0); //delay for ignition

  portclr(OUTPUT_IGNITION);     //turn OFF sparkle relay
  portset(OUTPUT_OXY_HEAT);     //turn ON Preheat Oxygen valve

  proc=plc_proc_preheat;

  break_heating=1;              //set break_heating variable
  timer=timeout_heating;
  do{ timer--; 
  if (break_heating==0) 
  { timer=0; };     //If break_heating was cleared outside of PLC, clear timer to exit from the loop
  }while(timer>0);              //pre-heating loop

  portset(OUTPUT_OXY_CUT);      //turn ON Cutting Oxygen valve

  proc=plc_proc_cutting;
  exit(99);
};