Diagnostics
10.1 Status LEDs
PN/BACnet LINK
78
Operating Instructions, 10/2017, A5E39895543-AA
RUN LED ERROR
LED
MAINT
LED
1)
Operating
state
Description
On
On
On
Power-up test / Seri-
ous error
•
For approximately 1 second: LED
test during startup
•
Longer than 1 second: HW error
detected during power-up test or
other serious error
Off
Off
Off
System run-up
•
System not completely booted yet
but power-up test is complete.
Flashes
Off
Off
Not connected to S7
controller
•
No "IO controller" connection estab-
lished or
•
configuration not yet completed.
On
x
Off
Connected to S7
controller
•
"IO controller" connection estab-
lished and configuration completed.
x
Flashes
Off
Error state
•
"IO controller" connection estab-
lished and configuration completed,
but an error occurred:
–
Diagnostic message to the S7
controller is pending or
–
Incorrect configuration by the S7
controller
Flashes for at least 3 seconds.
Flashes
Off
Off
Firmware update
•
While the firmware is written to the
flash memory.
Flashes
Flashes
Off
LEDs are flashing
(triggered by
TIA Portal)
•
3-second intervals
•
For identification of the device
1) The MAINT LED currently has no meaning.
x: LED state is irrelevant
During boot-up of the PN/BACnet LINK and after connecting the power supply, the sequence
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 run-up of the PN/BACnet LINK is successfully complete and the connection to
the S7 controller is established, the RUN LED lights up.
Summary of Contents for SIMATIC PN/BACnet LINK
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