Delta AX-3 Series, Operation Manual

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AX - 3 S e r ie s O p e r a t i o n M a n u a l
4 - 3 2
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Example
4.3.2.3 Variables
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Global Variables
If a variable that is declared in the POU, it is a local variable and it can only be used in the same POU. If a variable that is
declared in the global variable list, it is a global variable and it can used in any POU.
Address Description
%QX7.5 Single bit address of the output bit 7.5
%IW215 Word address of the input word 215
%QB7 Byte address of the output byte 7
%MD48 Address of a double word at memory position 48 in flag memory
VAR
wVar0 AT %IW0 : WORD;
END_VAR
Variable declaration with address information of an input word
VAR
bVar0 AT IX7.5 : BOOL;
END_VAR
Boolean variable declaration with address information of an input bit X7.5.