Catch the moment it turns on

Getting the lesson ready…

A one shot turns a tag ON for one scan at the rising edge, using a memory bit to spot the change.

Catch the moment it turns on: the words you will learn

a tag that turns ON for a moment, here one scan, then goes straight back OFF

pulse

a piece that lets power through for one scan, at the rising edge

one shot (P contact, ONS)

a tag that holds what something was on the scan before

memory bit (storage bit)