5
C
onnecting to power supply
5
.
1
P
reparing the connection
A
lways observe the following safety instructions
:
l
C
onnect only in the complete absence of line voltage
C
onnect the power supply acc
.
to the following diagrams
.
O
scillator
CP
60
R
is designed in protection class
1
.
T
o
maintain this protection class
,
it is absolutely necessary that
the ground conductor is connected to the internal ground
terminal
.
T
ake note of the general installation regulations
.
A
s a
rule
,
connect
VEGACAP
66
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
.
T
he data for power supply are stated in the
T
echnical data in
the
S
upplement
.
VEGACAP
66
is connected with standard cable with round
wire cross section
.
A
n outer cable diameter of
5
…
9
mm
(
0
.
2
…
0
.
35
in
)
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
.
5
.
2
C
onnection procedure
W
ith
E
x instruments
,
the housing cover may only be opened if
there is no explosive atmosphere present
.
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
N
ote safety instructions
S
elect power supply
S
electing the connection ca
-
ble
14
VEGACAP
66
-
with relay output
C
onnecting to power supply
30020
-
EN
-
050920
