Programming Example - Omron SFC - INTRODUCTION GUIDE Introduction Manual

2-2 Designing Programs

2-2-3 Programming Example

2
An example program for the described parking gate system is shown below.
The numbering in the diagram corresponds to the numbering in 2-2-2 Action Flow Diagram.
SFC Chart
Create an SFC chart based on the system operation.
Use a Step to code steps, an Action Program for processes within a step, an Action Qualifier for
execution timing, and a Transition for transition conditions.
2-6
The programs used in this manual are provided for educational purposes only, to aid in understanding how
CX-Programmer works. When designing a program for actual use, be sure to make considerations for
safety in terms of hardware devices and control methods.
Wait 3 seconds after the transition, then rotate
the gate operating motor in the reverse
direction to close the gate.
Display "Closing gate" on the display panel.
Maintain this state until the gate close limit
sensor turns ON.
When the gate is fully closed, the gate close
limit sensor turns ON.
When the gate close limit sensor turns ON,
make a transition from to .