Start-Up/Diagnostics; Leds - Siemens SIMADYN D Manual

CAUTION
!
3.5.3

Start-up/diagnostics

3.5.3.1

LEDs

Yellow LED
Green LED
LED
Dark CPU not running
Flashes
Fatal error
quickly (every
•
Remedy: Read-out the error class and -
0.2 s)
code at function block @CSPRO and
inform Siemens AG.
Flashes Wait and synchronize to the SIMADYN D-
(every 1 s) CPU
•
Remedy: Check the configuring of
function block @CSPRO.
Flashes slowly -
(every 2 s)
Steady Communications module SS52 and
synchronization to SIMADYN D CPUs OK.
Table 3-28 Significance of the LEDs of the SS52 communication module
Behavior at run-up
System- and communication configuring D7-SYS - SIMADYN D
Edition 12.2003
There is a danger of interchanging connections for the RS232
assignment.
Contrary to the other communication modules, for the SS52
communications module, the yellow LED does not directly indicate the
bus activity.
The green LED provides general information about the SS52
communications module and about synchronization with function block
@CSPRO from SIMADYN D. The yellow LED provides information about
the DP bus and the COM database.
Green
• After power-on, both diodes are briefly lit and then go dark again.
• Only the green LED is lit during the run-up time (approx. 5 seconds).
• When the system is OK, the yellow LED is lit after the run-up time has
expired.
• After a reset, both LEDs initially stay in the last condition until the
software again controls the LEDs.
Communications configuring
Yellow
No bus operation (during run-up).
Bus error (e. g. short circuit)
•
Remedy: Check the cable and the other
bus nodes.
COM database not available or not activated
(also during download)
•
Remedy: Load the database.
CFC- and COM configuring do not match
100%. Only restricted bus operation is
possible
•
Remedy: Adapt the CFC- and COM
configuring so that they match.
Bus operation with activated COM database
OK.
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