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The Movement
Function Keys
The MODIFY
Function Key
SIMATIC VPU200/565 Programming Manual
There are three function keys used for moving through the pages of the
directory. The UP (F2) function key will display the next page of the
directory. The DOWN (F3) function key will display the previous page of the
directory. The FIND (F4) function key is used to locate a specific loop in the
directory. To do this:
Press the F4 function key. The following prompt then appears:
FIND LOOP: 01
The label for F1 is now ABORT, and may be used to halt the FIND
operation and return to the previous menu.
To continue with the operation, type the Loop Number to be found and press
the Return key. When the loop is found, the cursor is positioned on that
Loop Number in the directory.
The MODIFY (F5) function key is used to create or edit loops. To begin
creating or editing a loop, use the arrow keys or the Find key to position the
cursor on the loop number you wish to create or edit. Once the cursor is
positioned on the correct number in the Loop Directory, press the MODIFY
function key.
After the function key is pressed, the first page of the Loop Programming
Table for the loop number selected is displayed. This table contains the
entries which are necessary for defining a loop. An example of the Loop
Programming Table is shown in Figure 3-2. The function key labels are
shown and described following the figure.
Programming Loops
3-3
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