examples: Fix control offset

The control offset needs to increment for each point.
Also set an io_position on the nodes to control the period size.
2 jobs for control in 1 minute and 5 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Container
passed #2667947
container_build

00:00:16

 
  Build
passed #2667948
build

00:00:49