Omron SYSMAC C2000H Operation Manual page 208

Step Instructions
Example 1:
Sequential Execution
Loading
202
The following process requires that three processes, loading, part installa-
tion, and inspection/discharge, be executed in sequence with each process
being reset before continuing on the the next process. Various sensors
(SW1, SW2, SW3, and SW4) are positioned to signal when processes are to
start and end.
SW 1
SW 2
Part installation
The following diagram demonstrates the flow of processing and the switches
that are used for execution control.
SW1
Process A
SW2
Process B
SW3
Process C
SW4
The program for this process, shown below, utilizes the most basic type of
step programming: each step is completed by a unique SNXT(09) that starts
SW 3
Inspection/discharge
Loading
Part Installation
Inspection/discharge
Section 5-22
SW 4