Vega VEGAPULS 62 standpipeversion, Руководство по эксплуатации, Страница: 42 / 76

M
easurement error during fi lling
F ault description E rror pattern C ause R ecti fi cation
3
. M easured value re -
mains in the bottom
section during
fi lling
Level
time 0
l
T he tank fl oor echo is larger
than the product echo , e . g .
with products with
ε
r
<
2
.
5
oil
-
based , solvents
l
A pplication parameter " M e -
dium " , check V essel height and
F
loor form
,
adapt if necessary
4
. M easured value
jumps to ≥
100
% or
0
m
distance
Le
ve
l
time 0
l
L evel echo is no longer de -
tected in the close range due
to foam generation or false
echoes in the close range
. T he
sensor goes into over fi ll pro -
tection mode . T he max . level
(
0
m distance ) as well as the
status message " O ver fi ll pro -
tection
"
are outputted .
l
C heck measuring site : A ntenna
must protrude out of the socket
l
R emove pollution on the an -
tenna
l
U se a sensor with a more
suitable antenna
M easurement error during emptying
F ault description E rror pattern C ause R ecti fi cation
5
. measured value re -
mains unchanged in
the close range during
emptying
Level
time 0
l
F alse echo larger than the
level echo
l
L evel echo too small
l
R emove false echoes in the
close range . C heck : A ntenna
must protrude out of the socket
l
R emove pollution on the an -
tenna
l
M
inimize interfering installa
-
tions in the close range by
changing the polarization di
-
rection
l
A fter removing the false
echoes , the false signal sup -
pression must be deleted .
C arry out a new false signal
suppression
6
. M
easured value
jumps towards
0
% du -
ring emptying
Level
time
0
l
T
he tank fl oor echo is larger
than the product echo , e . g .
with products with ε
r
<
2
.
5
oil -
based , solvents
l
A
pplication parameter "
M
e
-
dium type " , check V essel
height and F loor form , adapt if
necessary
D epending on the reason for the fault and the measures taken , the
steps described in chapter " S etup " must be carried out again or must
be checked for plausibility and completeness .
S hould these measures not be successful , please call in urgent cases
the VEGA service hotline under the phone no . + 49 1805 858550 .
T
he hotline is also available outside the normal working hours on
seven days a week around the clock .
R eaction after fault rec -
ti fi cation
24 hour service hotline
42
VEGAPULS
62
standpipe version • F oundation F ieldbus
9
D iagnosis , A sset M anagement and service
36510
-
EN
-
120301