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PLC Framework

Enumerations

Naming Rules

Section titled “Naming Rules”

  1. Always start with the uppercase letter E.

  2. Subsequent words start with uppercase letters.

  3. Do not use underscores _.

  4. Numbers from 0 to 9.

  5. 🐫 Pascal Case with a small variant, point 2.

    EName

  6. The elements of the enumeration follow the rules of constants.

  7. ❗ If the enumeration is related to Safety, the name starts with F_:

    F_EName

Examples

Section titled “Examples”
// ✅ Correct:
TYPE EStatus: INT // ← Name
(
  IDLE := 0; // ← constant
  REQUEST := 1;
  BUSY := 2;
  DONE := 3;
  ERROR := 0x8000;
) := IDLE;
END_TYPE


TYPE ECommand:...
TYPE EData:...
TYPE EHmiCommand:...
TYPE EOperatingMode:...
// ❌ Wrong:
TYPE E_Status:...
TYPE enumStatus:...
TYPE e_status:...
TYPE EnumStatus:...
TYPE ENUM_status:...
...