See your plant alive.

Option Explicit
Function Action()
    If SmartTags("Tank1_Seviye") >= 80 Then
        SmartTags("Tank1_Durum") = "High"
    Else
        SmartTags("Tank1_Durum") = "Normal"
    End If
    Action = 0
End Function

var seviye = Tag.oku('Tank1_Seviye');
// Remaining space (%) = 100 - level
Tag.yaz('Tank1_Bosluk', 100 - seviye);

if (!Kullanici.ad) {
  Bildir('Please sign in first.');
  return;
}
Tag.yaz('Son_Islem_Yapan', Kullanici.ad);

#include "apdefap.h"

#define SEVIYE_ALT 42.0f

// Clears the low-level bit when the aroma tank level drops below the lower limit.
void Aroma_Dozaj_Denetimi(void)
{
    float seviye = GetTagFloat("Aroma_Seviye");
    SetTagBit("Aroma_Dusuk", (short)(seviye < SEVIYE_ALT));
}

# Reads a tag and writes the calculated value to another tag.
def Py_Tag_Oku_Yaz():
    seviye = scada.read("Tank1_Seviye")
    scada.write("Tank1_Bosluk", 100 - seviye)

def Py_Gorev_Islevi(yeni_deger):
    scada.write("Durum_Metni", f"Speed changed: {yeni_deger}")
    if yeni_deger > 90:
        scada.write("Motor1_Ariza", True)