11
E
lectronics
-
S
lave sensor for electronic di
ff
erential pressure
C
on
fi
guration of the electronics
T
he pluggable electronics is mounted in the electronics compartment of
the instrument and can be exchanged by the user when servicing is re
-
quired
.
T
he electronics is completely encapsulated to protect against
vibration and moisture
.
T
he terminals for voltage supply as well as the contact pins with
I
²
C
inter
-
face for parameter adjustment are located on the upper side of the elec
-
tronics
.
I
n the double
-
chamber housing
,
the terminals are located in the
separate terminal compartment
.
V
oltage supply
T
he
S
lave sensor can be mounted up to
25
m away from the
M
aster
sensor
,
by which it is directly powered
.
A
separate power supply is not
required
.
C
onnection cable
VEGABAR
is connected to the sensor with standard four
-
wire
,
screened
cable
.
I
n the product con
fi
gurator of
VEGABAR
,
di
ff
erent cable glands are avail
-
able
.
T
his selection covers all cable diameters in the range of
4
…
12
mm
(
0
.
16
…
0
.
47
in
).
C
able screen and grounding
C
onnect the cable screen on both ends to ground potential
.
I
n
VEGABAR
S
lave and
M
aster sensor
,
the screen must be connected directly to the
internal ground terminal
.
T
he ground terminal on the outside of the re
-
spective housing must be connected to the potential equalisation
(
low
impedance
).
C
onnection
S
ingle chamber housing
5
6
7
8
4
2
1
Master
F
ig
.
31
:
E
lectronics and connection compartment
S
lave sensor
1
T
o the
M
aster sensor
2
G
round terminal for connection of the cable screen
1
)
E
lectronics
-
S
lave sensor for electronic di
ff
erential pressure
P
rocess pressure
–
P
ressure transmitter
13
1)
Connect screen here. Connect ground terminal on the outside of the housing to ground as prescribed. The two terminals are galvanically connected.
45078
-
EN
-
140625
