T
hrough the adjustment the input value of the connected sensor is
converted into a percentage value
.
T
his conversion step allows any
input value range to be depicted in a relative range
(
0
%
up to
100
%
).
B
efore carrying out the adjustment
,
the requested adjustment unit can
be selected
.
W
ith the input selection
"
A
nalogue
"
,
the adjustment unit is
always
"
m
A
"
.
I
f the
HART
input is activated
,
the available unit depends
on the sensor type
.
W
ith radar
,
ultrasonic and guided microwave this is
always
"
m
(
d
)
"
or
"
ft
(
d
)
"
,
and with pressure transmitters it is e
.
g
.
"
bar
"
or
"
psi
"
.
T
he following illustrations and examples relate to the min
./
max
.
adjustment of a radar sensor with
HART
communication
.
à
W
ith
[
OK
]
you prepare the percentage value for editing
,
with
[-
>
]
you set the cursor to the requested position
.
S
et the requested
percentage value with
[
+
]
and save with
[
OK
]
.
à
A
fter entering the percentage value for the min
.
adjustment
,
the
suitable distance value must be entered
.
I
f you want the use the
currently measured distance value
,
select the menu item
"
A
ccept
"
(
live adjustment or adjustment with medium
).
I
f the adjustment
should be carried out independent of the measured level
,
then
select the option
"
E
dit
"
.
E
nter now the distance value in m
[
m
(
d
)]
for the empty vessel that is suitable for the percentage value
,
e
.
g
.
distance from the sensor to the vessel bottom
(
dry adjustment or
adjustment without medium
).
à
S
ave your settings with
[
OK
]
and move to
"
M
ax
.
adjustment
"
with
[-
>
]
.
à
A
s described previously
,
enter now the percentage value for max
.
adjustment and con
fi
rm with
[
OK
]
.
à
A
fter entering the percentage value for the max
.
adjustment
,
the
suitable distance value must be entered
.
I
f you want the use the
currently measured distance value
,
select the menu item
"
A
ccept
"
(
live adjustment or adjustment with medium
).
I
f the adjustment
should be carried out independent of the measured level
,
select
the option
"
E
dit
"
.
E
nter now the distance value in m
[
m
(
d
)]
for the
M
eas
.
loop
-
A
djustment
22
VEGAMET
391
•
4
…
20
m
A
/
HART
signal conditioning instrument
6
S
etup with the integrated indicating and adjustment unit
36032
-
EN
-
091116
Содержание VEGAMET 391
Страница 65: ...VEGAMET 391 4 20 mA HART signal conditioning instrument 65 Index 36032 EN 091116 ...
Страница 66: ...66 VEGAMET 391 4 20 mA HART signal conditioning instrument Index 36032 EN 091116 ...
Страница 67: ...VEGAMET 391 4 20 mA HART signal conditioning instrument 67 Index 36032 EN 091116 ...