Question: PLC Program # 1 : Push C 4 0 as the Start button. 1 . Execute the following steps four times: a . Extend

PLC Program \#1:
Push C40 as the "Start" button.
1. Execute the following steps four times:
a. Extend the cylinder controlled by YO and wait for two seconds.
b. Retract the cylinder controlled by Yo.
2. When cylinder \( Y O \) has returned to the home position the fourth time, wait three seconds and then extend the cylinder controlled by Y3. Wait two seconds and then retract the cylinder controlled by Y3.
3. After the cylinder controlled by Y 3 has retracted to the home position, the system should be in the startup state.
PLC Program \ # 1 : Push C 4 0 as the "Start"

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