Siemens SIMATIC S5 Manual page 165

IP 265
Example: Looping output 0.5 back to input 0.0
Move the cursor to input 0.0 in the control system flowchart's input bar.
Select "Loopback" from the softkey menu by pressing function key <F1>.
Select "Insert" from the softkey menu by pressing function key <F1>.
Enter the output to be looped back ("Q 0.5") and the delay for the positive and negative edges
in the appropriate input fields.
Press <F7> "Info" for more information on each input field and on available editing options.
Exit the Input mode with <F6> "Store". The simulator stores the input data. In control system
flowchart format, the looped-back IP 265 inputs/outputs are marked by "at" signs (@). (You can
exit the Input mode without storing your entries by pressing <ESC>+<ESC>).
Initial situation
I 0.0
I 0.1
#C VALUE1
C1
O
#C VALUE2
C2
O
Example: Delete loopback to input 0.0
Move the cursor to input 0.0 in the control system flowchart's input bar.
Select "Loopback" in the function key menu by pressing <F1>.
Press <F2> in the new softkey menu.
If you pressed the right keys in the right menus, the loopback identifiers ("at" signs) should
disappear from the control system flowchart.
EWA 4NEB 812 6130-02a
Segment 1
1
&
Segment 2
2
>
Q 0.5
Testing and Simulation with COM 265
Result
1
&
I 0.0
@@@@@@@@
I 0.1
2
>
#C VALUE1
C1
O
#C VALUE2
C2
O
Segment 1
Segment 2
Q 0.5
@@@@@@@@
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