
W
ith the serial number
,
you can access the delivery data of the
instrument via www
.
vega
.
com
,
"
VEGA T
ools
"
and
"
serial number
search
"
.
I
n addition to the type label outside
,
you can also
fi
nd the
serial number on the inside of the instrument
.
3
.
2
P
rinciple of operation
VEGABAR
64
is a pressure transmitter for use in the paper
,
food
processing and pharmaceutical industries as well as in water
/
sewage
water plants
.
D
epending on the version
,
it is used for level
,
gauge
,
absolute pressure or vacuum measurement
.
M
easured products are
gases
,
vapours and liquids
,
also those containing abrasive substan
-
ces
.
T
he sensor element is the
CERTEC
®
measuring cell with
fl
ush
,
abrasion resistant ceramic diaphragm
.
T
he hydrostatic pressure of the
medium or the process pressure causes a capacitance change in the
measuring cell via the diaphragm
.
T
his change is converted into an
appropriate output signal and outputted as measured value
.
T
he
CERTEC
®
measuring cell is also equipped with a temperature
sensor
.
T
he temperature value can be displayed via the indicating and
adjustment module or processed via the signal output
.
P
ower is supplied via the
H
1
F
ieldbus
.
A
two
-
wire cable according to
F
ieldbus speci
fi
cation serves as carrier of both power and digital data
for multiple sensors
.
T
his cable can be operated in two versions
:
l
via an
H
1
interface card in the control system and additional power
supply
l
via a
L
inking device
with
HSE
(
H
igh speed
E
thernet
)
and addition
-
al power supply ac
-
cording to
IEC
61158
-
2
T
he
DD
(
D
evice
D
escriptions
)
and
CFF
(
capability
fi
les
)
necessary for
planning and con
fi
guration of your
FF
(
F
oundation
F
ieldbus
)
commu
-
nication network are available in the download area of the
VEGA
homepage www
.
vega
.
com under
"
S
ervices
-
D
ownloads
-
S
oftware
-
A
pplication area
F
unctional principle
P
ower supply and bus
communication
DD
/
CFF
VEGABAR
64
•
F
oundation
F
ieldbus
9
3
P
roduct description
28259
-
EN
-
081209