Siemens 6ED1050-1AA00-0BE8 User Manual
LOGO! installation and wiring
2.4 Putting into operation
LOGO!
Manual, 04/2011, A5E03556174-01
Manual, 04/2011, A5E03556174-01
67
2.4.3
Operating states
LOGO! Base Module operating states
LOGO! Base Modules (LOGO! Basic or LOGO! Pure) have two operating states: STOP and
RUN.
STOP
RUN
•
The display shows: 'No Program' (not
LOGO!...o)
LOGO!...o)
•
Switching LOGO! to programming mode
(not LOGO!...o)
(not LOGO!...o)
•
LED is red
(only LOGO!...o)
(only LOGO!...o)
•
Display: Screen mask for monitoring I/O and
messages (after START in the main menu)
(not LOGO!...o or LOGO!...E)
messages (after START in the main menu)
(not LOGO!...o or LOGO!...E)
•
Display: Screen mask for monitoring I/O and
messages (after START in the main menu) or for
the parameter assignment menu
messages (after START in the main menu) or for
the parameter assignment menu
(only LOGO!...E)
•
•
Switching LOGO! to parameter assignment mode
(not LOGO!...o or LOGO!...E)
(not LOGO!...o or LOGO!...E)
•
LED is green
(only LOGO!...o)
(only LOGO!...o)
Action of LOGO!:
•
•
The input data is not read.
•
The circuit program is not executed.
•
The relay contacts are permanently open
or the solid-state outputs are switched off.
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.
status of the outputs.
•
LOGO! switches the relay/solid-state outputs on
or off.
or off.
Note
After switching the power on, the system briefly switches through the outputs on the LOGO
After switching the power on, the system briefly switches through the outputs on the LOGO
24/24o or LOGO! 24C/24Co. 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 microseconds.
LOGO! expansion modules, operating states
LOGO! expansion modules have three operating states: The LED (RUN/STOP) is lit green,
red or orange.
LED (RUN/STOP) is lit
Green (RUN)
Red (STOP)
Orange/Yellow
The expansion module
communicates with the device
to the left.
The expansion module does not
communicate with the device to
its left.
Initialization phase of the
expansion module