VEGA VEGALOG 571 AT - Manual (Page 15)

7 Maintenance and fault rectification
7.1 Maintenance
When used as directed in normal operation, the module card
VEGALOG 571 AT is completely maintenance-free.
7.2 Fault rectification
VEGALOG 571 AT offers maximum reliability. Nevertheless
faults can occur during operation. These may be caused by the
following, e.g.:
l
Measured value of the sensor not correct
l
Voltage supply
l
Interference on the cables
The first measures to be taken are checking the input/output
signal as well as processing failure messages. The diagnostic
information are updated cyclically in a 5 sec. pattern.
PACTware™ with the suitable DTM offers comprehensive
diagnostics options. The integrated online help offers you
additional information. In many cases, these cause can be thus
determined and faults can be rectified.
However, should this measures not be successful, call the
VEGA service hotline in urgent cases under the phone no. +49
1805 858550.
The hotline is available to you 7 days a week round-the-clock.
Since we offer this service world-wide, the support is only
available in the English language. The service is free of
charge, only the standard telephone costs will be charged.
The operating condition of the CPU and peripheral cards is
displayed via the status LEDs in the front plate.
l
LED failure message (red)
- flashes in case of communication problems on the
LOGBUS
- lights during initialisation and during the self-test
-
lights permanently during a hardware error
l
LED operating voltage (green)
-
lights when voltage supply is on
Causes of malfunction
Fault rectification
24 hour service hotline
Fault messages via LED sta-
tus indication
VEGALOG 571 AT - Output card transistor 15
Maintenance and fault rectification
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-EN
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