Programming LOGO!
The wiring is as follows:
L1
N
S1
S2
L1
N
I1
I2
I3
I4
I5
I6
SIEMENS
Q1
Q2
Q3
Q4
L
N
Switch S1 acts on input I2, and switch S2 acts on input I2. The consumer
is connected to relay Q1.
3.11.3 Editing the program
Let's enter the program now (from the output to the input). Initially,
LOGO! displays the output:
LOGO!'s first output
Q1
The Q of Q1 is underlined. This underlining is the cursor. The cursor indi-
cates your current position in the program. You can move the cursor by
pressing the , ,
and
keys. Now press the
key. The cursor moves
to the left.
LOGO! manual
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