VAR_GLOBAL
 g_xVar AT %QX0.0 : BOOL ; 
	g_iTest AT %QW1 : INT ;
	g_wTest AT %QW2 : WORD;
END_VAR

PROGRAM prog1
VAR
	iCondition : INT;
	bTemp :BOOL;
END_VAR
iCondition := iCondition + INT#1;
IF iCondition < INT#0 THEN
    bTemp := g_xVar;   // SA0043 - g_xVar only read in this POU
ELSIF iCondition = INT#0 THEN
    bTemp := g_xVar;   // SA0043 - g_xVar only read in this POU
ELSE 
	   bTemp := g_xVar;   // SA0043 - g_xVar only read in this POU
	   g_wTest := WORD#4; // g_WTest used also in prog2 -> OK
END_IF

PROGRAM prog2
VAR
	iCondition : INT;
END_VAR
iCondition := iCondition + INT#1;

CASE iCondition OF
    INT#1:
        g_iTest := WORD_TO_INT(g_wTest); // SA0043 - g_iTest only written in this POU
    INT#2:
        g_iTest := INT#2;                // SA0043 - g_iTest only written in this POU
    ELSE
        g_iTest := INT#3;                // SA0043 - g_iTest only written in this POU
END_CASE

--> SA0043: Global variable 'g_xVar' only used in 'prog1'
--> SA0043: Global variable 'g_iTest' only used in 'prog2'