Technical data

LED Status of the
CP 5430 TF/
CP 5431 FMS
Meaning
Green
RUN LED
lit, red unlit
RUN - All types of data transmission are possible,
both from the CPU control program and via
PG bus functions.
- The memory submodule of the CP 5430 TF/CP
5431 FMS can be read, but not written to.
Red STOP
LED lit,
green unlit
STOP - HDB data exchange between CP and CPU
via the backplane bus blocked (evaluation of
the PAFE error message possible: refer to
Section 7.3.2 or 8.1.3).
- CP can be assigned parameters via AS 511
interface (memory submodule can be written to).
- Data exchange via PG bus function possible,
management services possible.
Green
RUN LED
and
red
STOP
LED lit
NOT
SYNCHRON
- No data transmission possible
(data exchange with the CPU via the
backplane bus blocked).
- CP cannot be assigned parameters via the
AS 511 interface.
- The memory submodule of the CP 5430 TF/CP
5431 FMS can be read but not written to.
Cause: HDB SYNCHRON run incorrectly.
Remedy: call HDB SYNCHRON.
Neither
green
RUN LED
nor
STOP
LED lit
Cause:
- POWER OFF
- CP not correctly plugged in.
- Fault indicated by the fault LED
(refer to Table 4.2).
Result: no data transmission possible
(data exchange with the CPU via the
backplane bus blocked).
Table 4.1 Meaning of the LEDs
Technical Description and Installation of the CP 5430 TF/CP 5431 FMS B8976060/02
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