Siemens LOGO! - Page 94

LOGO! Manual
A5E00380835-01
86
I:
0.. 123456789
1..0123456789
2..01234
L1
N
S1 S2
=1
When switch S1 is closed,
the status at input I1 is hi.
LOGO! computes the output
states by means of the cir-
cuit program.
Output Q1 = ’1’, in this
case.
When Q1 = ’1’, LOGO! sets
relay Q1, and the load con-
nected to Q1 is supplied
with voltage.
I1
I2
Q1
Let us examine
this, using our
example:
Q:
0.. 123456789
1..0123456
Pro
g
rammin
g
LOGO!