Do it again for each one

Getting the lesson ready…

A FOR loop does the same rule once for each slot, all inside one scan. Set the total to 0.0 first.

Do it again for each one: the words you will learn

lines the PLC does again and again: here, once for each slot

loop

starts a loop: its line says which tag counts, where it starts and where it stops

FOR … TO … DO

says where the lines of a FOR loop stop

END_FOR