Siemens Simatic S5-101U - AND before or Logic; OR before and Logic

AND before OR logic
Original
A "1" signal appears at output
Q 1.1 when the output of at least
one of the AND gates is
"1".
STEP 5 representation
A "On signal appears at output
Q 1.1 when neither of the AND
gates has
"1" at its output.
Statement
list
OR before AND logic
Original
Ladder
d iagram
ai. I ai.1
Control system
flowchart
Control system
flowchart
STEP
5 representation
A "1" signal appears at output Q 1.1
if input I 1.0 or I 1.1 and one of
the inputs
I 1.2 or I 1.3 have a "1"
signal.
Statement
list
A "0" signal appears at output Q 1.1
when input I 1.0 has a "0" signal
and the AND gate has a
"0" at its output.
Ladder
diagram