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This pragma is applied to variables that should not be implicitly initialized.

Syntax:

‎{attribute 'no_init'}‎

‎{attribute 'no-init'}‎

‎{attribute 'noinit'}‎

Insertion position: line above the declaration line of the variables concerned in the declaration part.

Example

PROGRAM PLC_PRG
VAR
 A : INT;

 {attribute 'no_init'}
 B : INT;
END_VAR

When the associated application is reset, the integer variable ‎A‎ is implicitly re-initialized with ‎0‎, whereas the variable ‎B‎ retains its current value.