Operation
Operating Manual PSSu H m F DP ETH SD
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8
Operation
8.1
Messages
The PSSu system provides many options for diagnostics, fault detection and communica
tion with other control systems.
Diagnostics for the PSSu system can be run via the
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LEDs on the head module,
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Diagnostic table and diagnostic log.
All errors and faults detected by the electronic or compact modules in a PSSu system are
signalled to the head module and entered in the diagnostic table and diagnostic log. You
can read the head module's diagnostic table and diagnostic log, e.g. using the PAS4000 or
the combination of OPC Server and PSS 4000 Diag Control.
8.2
Display elements
The head module contains a number of status LEDs, which provide information on the
status of various system sections.
LEDs on the PSSu H m F DP ETH SD:
MBUS
SD CARD
FS RUN
DIAG
FS FORCE
X3: LNK
X3: TRF
5V
24V
SF
BF
Legend:
LED on
LED flashes
LED off
