Vega VEGASON 61, Operating Instructions Manual

Page: 30 / 52

I
n this menu item you can enter an unambiguous designation for the
sensor
,
e
.
g
.
the measurement loop name or the tank or product
designation
. I
n digital systems and in the documentation of larger
plants
,
a singular designation should be entered for exact identi
fi
cation
of individual measuring sites
.
S
ensor
- TAG
S ensor
W
ith this menu item
,
the
B
asic adjustment is
fi
nished and you can now
jump to the main menu with the
[
ESC
]
key
.
H
igh sockets or vessel installations
,
such as e
.
g
.
struts or agitators as
well as buildup and weld joints on the vessel walls cause interfering
re
fl
ections which can impair the measurement
. A
false echo storage
detects and marks these false echoes
,
so that they are no longer taken
into account for the level measurement
. A
false echo memory should
be created with low level so that all potential interfering re
fl
ections will
be detected
.
G
ating out of false signals
C
hange now
?
P
roceed as follows
:
1
M
ove from the measured value display to the main menu by
pushing
[ OK ] .
2
S
elect the menu item
" S ervice "
with
[-
>
]
and con
fi
rm with
[ OK ] .
N
ow the menu item
" F alse signal suppression "
is displayed
.
3
C
on
fi
rm
" F alse signal suppression - C hange now "
with
[ OK ]
and
select in the below menu
" C reate new " . E
nter the actual distance
from the sensor to the product surface
. A
ll false signals in this area
are detected by the sensor and saved after con
fi
rming with
[ OK ] .
N ote :
C
heck the distance to the product surface
,
because if an incorrect
(
too
large
)
value is entered
,
the existing level will be saved as false signal
.
T
he
fi
lling level would then no longer be detectable in this area
.
T
he menu item
" E xtended setting "
o
ff
ers the possibility to optimise
VEGASON
61
for applications in which the level changes very quickly
.
F
or this reason
,
select the function
"
Q uick level change
>
1
m / min .
"
.
E
xtended setting
quick level change
>
1
m
/
min
.
S ensor - TAG
G ating out of false sig -
nals
E xtended setting / Q uick
level change
30
VEGASON
61
•
4
…
20
m
A / HART
four
-
wire
6
S
et up with the indicating and adjustment module
PLICSCOM
28778
-
EN
-
081127