F
illing opening
M
ount the instrument in such a way that the
vibrating rod does not protrude directly into the
fi
lling stream
.
H
orizontal mounting
20°
a.
b.
F
ig
.
10
:
H
orizontal mounting
a
P
rotective sheet
b
C
oncave protective sheet for abrasive solids
4
C
onnecting to power supply
4
.
1
P
reparing the connection
N
ote safety instructions
A
lways keep in mind the following safety instruc
-
tions
:
l
C
onnect only in the complete absence of line
voltage
l
T
ake note of safety instructions for
E
x appli
-
cations
S
elect power supply
C
onnect the power supply according to the
following diagrams
.
O
scillator
VB
60
R
is designed
in protection class
1
.
T
o maintain this protection
class
,
it is absolutely necessary that the ground
conductor be connected to the internal ground
terminal
.
T
ake note of the general installation
regulations
.
A
s a rule
,
connect
VEGAVIB S
61
to
vessel ground
(
PA
),
or in case of plastic vessels
,
to
the next ground potential
.
O
n the side of the
housing there is a ground terminal between the
cable entries
.
T
his connection serves to drain o
ff
electrostatic charges
.
I
n
E
x applications
,
the
installation regulations for hazardous areas must
be given priority
.
T
he data for voltage supply are speci
fi
ed in chapter
"
T
echnical data
"
in the
"
S
upplement
"
.
S
electing connection cable
VEGAVIB S
61
is connected with standard four
-
wire cable with round cross
-
section
.
A
n outer cable
diameter of
5
…
9
mm ensures the seal e
ff
ect of
the cable entry
.
I
f cable with a di
ff
erent diameter or wire cross
section is used
,
exchange the seal or use an
appropriate cable connection
.
4
.
2
C
onnection procedure
P
roceed as follows
:
1
U
nscrew the housing cover
2
L
oosen compression nut of the cable entry
3
R
emove approx
.
10
cm
(
4
in
)
of the cable
mantle
,
strip approx
.
1
cm
(
0
.
4
in
)
insulation
from the ends of the individual wires
4
I
nsert the cable into the sensor through the
cable entry
5
L
ift the opening levers of the terminals with a
screwdriver
(
see following illustration
)
6
I
nsert the wire ends into the open terminals
according to the wiring plan
7
P
ress down the opening levers of the termi
-
nals
,
you will hear the terminal spring closing
8
C
heck the hold of the wires in the terminals by
lightly pulling on them
.
9
T
ighten the compression nut of the cable entry
.
T
he seal ring must completely encircle the
cable
10
I
f necessary
,
carry out a fresh adjustment
11
S
crew the housing cover on
T
he electrical connection is
fi
nished
.
VEGAVIB S
61
15
C
onnecting to power supply
32796
-
01
-
080108
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