The same rules, written as text

Getting the lesson ready…

The rules you know, written as lines of code. Then find the check a fill valve’s rule is missing.

The same rules, written as text: the words you will learn

a PLC’s rules written as lines of text

code

becomes: the tag before it becomes whatever comes after it

:=

work out what is inside them first

brackets ( )

at least: the number before it is the same as, or bigger than, the number after it

>=