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Step Instructions Section 3-21
The program for this process, shown below, starts with two SNXT(009)
instructions that start processes A and B. Because of the way CIO 0.01 (SW
A1) and CIO 0.02 (SW B1) are programmed, only one of these will be exe-
cuted with an ON execution condition to start either process A or process B.
Both of the steps for these processes end with a SNXT(009) that starts the
step (process C).
0.01 (SW A1)
0.02 (SW B1)
0.03 (SW A2)
0.04 (SW B2)
0.05 (SW D)
Process A
Process C
End
Process B
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