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Code Block
languagejavascript
 //Number of alarmed sensors is calculated
var i = Number(0);
 if (Event.SourceType == "MACRO" && Event.SourceId== "1" && Event.Action == "RUN")
{
var msg = CreateMsg();
msg.StringToMsg(GetObjectIds("GRAY"));
var objCount = msg.GetParam("id.count");
var k;
for(k = 0; k < objCount; k++)
if(GetObjectState("GRAY", msg.GetParam("id." + k))== "ALARMED"){
                Lock();
                 i = Itv_var("counter");
i++;
Itv_var("counter")=i;
Unlock();
}
}
Info
titleNote

 If If the Lock() and Unlock() methods are not used in this example, then collisions can occur and the calculated value will be less than the actual value.