GE PACSystems RX7i Cpu Programmer's Reference Manual page 240

Example for On Delay Stopwatch Timer
A retentive on-delay timer is used to create a signal (%Q0011)
that turns on 8.0 seconds after %Q0010 turns on, and turns off
when %Q0010 turns off.
GFK-2950C
Chapter 4. Ladder Diagram (LD) Programming
February 2018 225