PID library multi relay output

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3

Thank you, simple and elegant!

To prepare for more heater elements I have made it a little more generic. And for me it is easier to think of the added power in the 0 - 100% range. . .

void setup()
{
  //tell the PID to range between 0 and 100
  myPID.SetOutputLimits(0, 100);
}

void loop()
{
if (Output > 80)
     {
     digitalWrite(Heater1200Pin, HIGH);
     digitalWrite(Heater800Pin, HIGH);
     }
else
if (Output > 60)
     {
     digitalWrite(Heater1200Pin, HIGH);
     digitalWrite(Heater800Pin, LOW);
     }
else
if (Output > 40)
     {
     digitalWrite(Heater1200Pin, LOW);
     digitalWrite(Heater800Pin, HIGH);
     }
else
     {
     digitalWrite(Heater1200Pin, LOW);
     digitalWrite(Heater800Pin, LOW);
     }
}

But what about the level/border to enable the full power, set to 80% in my example code?

Will the output ever be 100?

This is still confusing me, please help!