Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 - Manual (Page 61)

Relay-type Instructions
Chapter 6
6Ć9
Creating nested branches is not possible because the branch end instruction
completes a branch group. But the above rung shows a single branch group
with two branch end instruction. Above, the examine on instruction with the
address 11012 is actually a branch group within a branch group.
The following rung achieves the same result and avoids nested branching:
00
010
00
110
10
110
12
110 110
11
110
13
110
11
We showed you how enter and edit bit examining, bit controlling, and branching
instructions. The next chapter shows you how to use program control
instructions to update I/O ahead of their usual scan time.
Chapter Summary