Write it once, use it twice

Getting the lesson ready…

Write the rules once in a function block, call it for each pump, and give each call its own instance.

Write it once, use it twice: the words you will learn

a ready-made piece of code with a name, used again and again (Rockwell: an Add-On Instruction, AOI)

function block

running a block from your code, here once on every scan

call

a value passed to a block, or handed back by it: Input, Output and InOut

parameter