How do I write a program with a start button to start a belt them 3 seconds later A1 Cylinder goes forward then 5 seconds later B cylinder goes forward then 3 seconds later Cylinder A comes back then 2 seconds later Cylinder B comes back using memory adresses comparators and an uptimer cheers

Hi there, You can write this PLC program using timers and Comparator Operations. We have several video tutorials on these topics which go in depth of how to use these instructions along with practical examples. Please check out the links below.

How to Use Timers in PLC Programming: http://bit.ly/2xUtYiV

Comparing Values in PLC Programming: http://bit.ly/2xSWS2Z