The same rule, drawn as boxes

Getting the lesson ready…

A block takes tags in, does one job, and writes its answer to a tag. Wires hand one block’s answer to the next.

The same rule, drawn as boxes: the words you will learn

a box in a rule: tags go in, it does one job, and it writes its answer to a tag

block

a rule drawn as blocks joined by wires

function block diagram (FBD)

a line that hands one block’s answer to the next block

wire

the one job a block does: AND, OR, NOT, a timer, a counter

instruction