LOGO! Manual
A5E00380835-01
50
STOP RUN
The display shows:
’No Program’
(not LOGO!...o)
Switching LOGO! to
programming mode
(not LOGO!...o)
LED is red
(only LOGO!...o)
Display: Screen mask for
monitoring I/Os and
messages (after START in
the main menu)
(not LOGO!...o)
Switching LOGO! to
parameter assignment
mode
(not LOGO!...o)
LED is green
(only LOGO!...o)
Action of LOGO!:
The inputs data are not
fetched.
The circuit program is not
executed
The relay contacts are
permanently open or the
solid-state outputs are
switched off
Action of LOGO!:
LOGO! reads the status of
the inputs
LOGO! uses the circuit
program to calculate the
status of the outputs
LOGO! switches the
relay/solid-state outputs on
or off
Note
After switching the mains on, the system briefly switches
through the outputs on the LOGO 24/24o. With an open
circuit, a voltage of > 8 V can occur for up to approximately
100 ms; when loaded, this time reduces to a matter of mi-
croseconds.
LOGO! expansion modules, operating states
LOGO! expansion modules know three operating states:
The LED (RUN/STOP) is lit green, red or orange.
LOGO! installation and wirin
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