Siemens SIMATIC PN/J1939 LINK Operating Instructions Manual page 56

Diagnostics
10.1 Status LEDs
Table 10- 1
RUN
LED
On
Off
Flashes
On
Flashes
Flashes
1) The MAINT LED currently has no meaning.
x: LED state is irrelevant
When the PN/J1939 LINK starts up after connecting the power supply, the procedure is as
follows:
1. The three LEDs light up briefly for about 1 second and then go dark again.
2. None of the LEDs light up for about 4 seconds.
3. The RUN LED starts flashing.
4. When the startup of the PN/J1939 LINK is successfully complete and the connection to
the S7 controller is established, the RUN LED lights up.
54
Behavior of the status LEDs RUN, ERROR, MAINT
ERROR MAINT
LED LED
1)
On On
Off Off
Off Off
x
Off
x
Off
Flashes
Off Off
Off
Flashes
Operating
state
Power-up test /
For approximately 1 second: LED test
•
Serious error
during startup
Longer than 1 second: HW error detected
•
during power-up test or other serious error
System run-up
System not completely booted yet but
•
power-up test is complete.
Not connected to
No "IO controller" connection established
•
S7 controller
or
configuration not yet completed.
•
Connected to
"IO controller" connection established and
•
S7 controller
configuration completed.
Error state
"IO controller" connection established and
•
configuration completed, but an error oc-
curred:
–
–
Flashes for at least 3 seconds.
Firmware update
While the firmware is written to the flash
•
memory.
LEDs are flashing
3-second intervals
•
(triggered by
For identification of the device
•
TIA Portal)
Operating Instructions, 12/2018, A5E45307564-AA
Description
Diagnostics alarm to the S7 controller
is pending
Incorrect configuration by the S7 con-
troller
SIMATIC PN/J1939 LINK