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Automatic control function programming manual ladder language

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3.7.5 Physical Organisation of Variables %I and %Q<br />

Variables<br />

Variables %I and %Q are organised as memory blocks of 64 %I bytes followed by 64 %Q bytes corresponding to one<br />

card then to the next card until reaching the last card of the rack.<br />

The racks are consecutive and contiguous (from rack 0 to rack 6).<br />

3.7.5.1 Physical Organisation of Variables %I and %Q of Rack r<br />

Offset<br />

0<br />

3F<br />

7F<br />

BF<br />

FF<br />

700<br />

73F<br />

77F<br />

7BF<br />

7FF<br />

%Ir00<br />

to<br />

%Ir03F<br />

%Qr00<br />

to<br />

%Qr03F<br />

%Ir100<br />

to<br />

%Ir13F<br />

%Qr100<br />

to<br />

%Qr13F<br />

%IrE00<br />

to<br />

%IrE3F<br />

%QrE00<br />

to<br />

%QrE3F<br />

%IrF00<br />

to<br />

%IrF3F<br />

%QrF00<br />

to<br />

%QrF3F<br />

64 bytes %I card 0<br />

64 bytes %Q card 0<br />

64 bytes %I card 1<br />

64 bytes %Q card 1<br />

64 bytes %I card E<br />

64 bytes %Q card E<br />

64 bytes %I card F<br />

64 bytes %Q card F<br />

en-938846/6 3 - 15<br />

3

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