Activating an output every X seconds

Hi,


I'm making an easy program where an output is enabled depending of wich inputs are activated. But, when all inputs are at low level, a different ouput has to be activated every X seconds (cyclic sequence). For example:

When I1=0, then Q1=1 (others=0) -> 3s -> Q2=1 (others=0) -> 3s -> Q3=1 (others=0) -> 3s -> Q1=1 (others=0)...
When I1=1, stop the sequence without disabling current ouput


How can it be done in a LOGO! 8.FS4?

Thank you!

Awesome. Thank you very much!

Now I can finish my program.

Greetings