Controlling two pneumatic cylinders

Here I explain how to design the control and power circuits of two pneumatic cylinders.






Functioning

When the start push button is press, the valve v1 energise which causes the cylinder to extern right up to the position of s1. When the limit switch s1 is reached, the coil y1 energise which helps to deactivate v1 and return the piston back to the position of s0 with the help of a spring.Once s0 is reach, another coil y2 is energise which helps to deactivate y1 for the sequence to loop automatically.You can watch the simulation video to see how it works.

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