l
M
ax
.
adjustment
:
100
%
or
20
m
A
6
.
3
A
pplication example
l
A
n upright cylindrical
(
linear
)
tank has a volume
of
2700
l
l
T
he max
.
fi
lling volume is
2650
l
,
the min
.
fi
lling
volume
50
l
l
T
he level sensor in the vessel is a pressure
transmitter
(
passive
),
outputting a standardised
4
…
20
m
A
signal
l
F
or further processing
,
an additional
4
…
20
m
A
output signal is required
l
T
he full and empty adjustment was carried out
directly in the sensor
.
T
he following values are
outputted
:
-
M
ax
.
volume
(
display max
.)
20
m
A
=
2650
l
-
M
in
.
volume
(
display min
.)
4
m
A
=
50
l
l
R
elay
1
should switch on an emptying pump at
a level of
90
%
and switch o
ff
the pump at a
level of
10
%
G
eneral procedure
1
S
elect the following functions with the rotary
switch
.
2
P
ush one of the two
[
+
/-
]
adjustment keys
,
the
digital indication
fl
ashes
(
if the rotary switch is
set to
"
OPERATE
"
,
the
[
+
/-
]
keys are inoper
-
able
)
3
A
djust the requested value with the
[
+
/-
]
keys
.
I
f
you hold the key pushed
,
the digital indication
changes the value more quickly
.
4
S
ave your settings by pushing the
[
+
/-
]
keys
simultaneously
C
urrent output
à
S
et the function switch to position
[
8
].
S
elect
with the
[
+
/-
]
keys the measured value output
4
…
20
m
A
or
0
…
20
m
A
.
F
or this example
,
choose
4
-
20
.
T
he displayed numbers have the following mean
-
ings
:
l
0
-
20
=
0
…
20
m
A
l
4
-
20
=
4
…
20
m
A
à
S
ave the value by pushing the
[
+
/-
]
keys
simultaneously
T
o scale the indication of
VEGAMET
381
,
the
fi
lling
volumes for
0
%
and
100
%
.
T
he vessel does not
have to be
fi
lled or emptied
.
S
caled indication at
0
%
1
S
et the function switch to position
[
7
] (
display
min
.)
2
S
et the value to
50
via the
[
+
/-
]
keys
3
S
ave the value by pushing both keys simulta
-
neously
S
caled indication at
100
%
1
S
et the function switch to position
[
6
] (
display
max
.)
2
S
et the value to
2650
via the
[
+
/-
]
keys
3
S
ave the value by pushing both keys simulta
-
neously
D
ecimal point
S
ince the range of the example tank is between
50
l and
2650
l
,
you need a digital indication for every
four positions
.
1
S
et the function switch to position
[
5
] (
D
ecimal
P
oint
)
2
B
y pushing the
[
+
/-
]
keys
,
you move the
decimal point
3
S
ave the value by pushing both keys simulta
-
neously
R
elay
l
S
et the function switch to position
[
1
] (
relay
1
on
).
F
or the given example
,
select the value
90
.
0
(
90
.
0
%
)
with the
[
+
/-
]
keys
.
T
he internal
relay
1
then switches on when this value is
reached
.
S
ave the value by pushing the two
keys simultaneously
.
l
S
et the function switch to position
[
2
] (
relay
1
o
ff
).
S
elect the value
10
.
0
(
10
.
0
%
)
with the
[
+
/-
]
keys
.
T
he internal relay
1
then switches o
ff
when the value falls below this value
.
T
he
respective relay control lamp lights when the
relay is energized
.
I
f the switching points are
too close together
(
<
0
.
1
%
),
the appropriate
LED
fl
ashes
.
T
he relay takes on the safe
condition
.
I
n mode
"
OPERATE
"
an error
message is outputted on the display
.
l
I
f you want to control additional relays
,
proceed
in the same way
,
as with relay
1
.
T
he switch
positions for setting the respective relays are
stated in the list of the function switch under
"
S
etup procedure
"
.
26
VEGAMET
381
S
etup with the integrated indicating and adjustment unit
27567
-
01
-
070216
Содержание Vegamet 381
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