
3-27
Ladder Logic (LAD) for S7-300 and S7-400
C79000-G7076-C504-02
If at one point in a branch one parallel branch closes and another one opens,
this is called a junction. You can split a junction by selecting it at the lower
or upper junction point and inserting a Ladder element. The junction is split
and the Ladder element inserted.
Q2.4
I6.0
M4.6
M4.0
I8.0
Q2.4
I6.0
M4.6
M4.0
I8.0
??.?
Overwrite
Figure 3-17 Splitting a Junction
Note
You can correct comments and titles in overwrite mode.
Special Case:
Splitting a
Junction
Creating Logic Blocks
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