Maintenance And Fault Rectification; Maintenance; Remove Interferences - Vega VEGAPULS 68 Operating Instructions Manual

Maintenance and fault rectification
Causes of malfunction
Fault clearance
24 hour service hotline
Checking Profibus PA
50
8 Maintenance and fault rectification

8.1 Maintenance

When used as directed in normal operation, VEGAPULS 68 is
completely maintenance free.
In some applications, builup on the antenna system can
influence the measuring result. Depending on the sensor and
application, make arrangements to avoid strong pollution of the
antenna system. If necessary, clean the antenna system in
certain intervals.

8.2 Remove interferences

VEGAPULS 68 offers maximum reliability. Nevertheless, faults
can occur during operation. These may be caused by the
following, e.g.:
Sensor
l
Process
l
Supply
l
Signal processing
l
The first measures to be taken are to check the output signals
as well as to evaluate the error messages via the indicating
and adjustment module. The procedure is described below.
Further comprehensive diagnostics can be carried out on a PC
with the software PACTware™ and the suitable DTM. In many
cases, the causes can be determined in this way 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.
?
When an additional instrument is connected, the segment
fails.
l
Max. supply current of the segment coupler exceeded
à
Measure the current consumption, reduce size of
segment
VEGAPULS 68 - Profibus PA