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ifm
Programming Manual BasicDisplay CR0452 v03.02
05 / 2018
System description
Hardware description
>
3.2.2
Status-LED
7998
The operating states are indicated by the integrated status LED (default setting).
LED colour
Display
Description
Off
Permanently off
No operating voltage
Orange
Briefly on
Initialisation or reset checks
(time frame = 200 ms)
Green
Flashing with 5 Hz
no runtime system loaded
(time frame = 200 ms)
Green
Flashing with 2 Hz
Application = RUN
(time frame = 200 ms)
Green
Permanently on
Application = STOP
or: no application loaded
Red
Flashing with 5 Hz
Application = stopped because of undervoltage
(time frame = 200 ms)
Red
Flashing with 10 Hz
Application = STOP with error
application program is stopped
Cause: exceeded timeout of the application or visualisation:
Delete the application!
PowerOn reset
Reload the application into the device
(time frame = 200 ms)
Red
Permanently on
Application = STOP and FATAL ERROR
Cause: software watchdog has failed
PowerOn reset
If without success:
Goto Bootloader
PowerOn reset
Reload the BasicSystem into the device
Reload the application into the device
If without success:
Hardware error: send device to
ifm
!
The status LED can be changed by the programming system for the operating states STOP and RUN.
>
Control the LED in the application program
15481
Via SET_LED frequency and color of the status LED can be changed in the application program.
The use of the LED function block in the application program replaces the system setting of the
status LED in the RUN state.