Interval Time Within a Cycle using Ladder Logic

This example is for a timed interval of a number of seconds after the start of a process operation.

This time interval is sometimes called an embedded time interval.

A fan is to come on 8.7 seconds after a system is turned on.

It is then to run until 16 seconds after the system is turned on, which is a net time of 7.3 seconds.

Interval Time Within a Cycle