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G1 Introduction to AC500 1-87 AC500 / Issued: 07.2006
In the line of output 16, click twice on "AT". Then enter the symbolic name, e.g. O0dig, and complete
your input by pressing <Enter>.
Opening the Function Block Diagram editor
From the Resources we now want to switch to the Function Block Diagram editor: Click on the
tab and then double click on the entry PLC_PRG (PRG). The Function Block Diagram editor is opened.
Position the mouse cursor into the insertion mark
of network "0001" and press the right mouse
button. Select "Assign".
The display is as follows:
Now we have to enter the symbolic names previously assigned to the input and the output. Click on the
left-hand question marks (???) and press <F2>. The Help Manager appears. Select "System Variables".
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