Vega VEGAFLEX 62, Руководство по эксплуатации

Страница: 31 / 64

6
.
4
S etup procedure
A
fter connecting
VEGAFLEX
62
to power supply or after a voltage
recurrence
,
the instrument carries out a self
-
check for approx
.
30
seconds
:
l
I
nternal check of the electronics
l
I
ndication of the instrument type
,
the
fi
rmware as well as the
sensor
TAG
s
(
sensor designation
)
l
O
utput signal jumps brie
fl
y
(
approx
.
10
seconds
)
to the set fault
current
T
hen the corresponding current is outputted to the cable
(
the value
corresponds to the actual level as well as the settings already carried
out
,
e
.
g
.
factory setting
).
I
n
HART - M
ultidrop mode
(
several sensors on one input
)
the address
must be set before continuing with the parameter adjustment
. Y
ou will
fi
nd a detailed description in the operating instructions manual
"
I ndicating and adjustment module
"
or in the online help of
PACT
ware
or
DTM .
HART
mode
S tandard
A ddress 0
A
s
VEGAFLEX
62
is a distance measuring instrument
,
the distance
from the sensor to the product surface is measured
. T
o have the real
product level displayed
,
an allocation of the measured distance to the
percentage height must be made
. T
o carry out this adjustment
,
the
distance is entered with full and empty vessel
. I
f these values are not
known
,
an adjustment with the distance values
,
e
.
g
.
10
%
and
90
%
is
also possible
. S
tarting point for these distance speci
fi
cations is always
the seal surface of the thread or
fl
ange
. W
ith these settings
,
the real
level is calculated
. F
urthermore the operating range of the sensor is
limited from maximum to the required range
.
T
he real product level during this adjustment is not important
,
because
the min
./
max
.
adjustment is always carried out without changing the
product level
. T
hese settings can be made ahead of time without the
instrument having to be installed
.
I
n the main menu item
"
B
asic adjustment "
,
the individual submenu
items should be selected one after the other and provided with the
correct parameter values
.
C aution :
I
f there is a separation of di
ff
erent liquids in the vessel
,
e
.
g
.
by
condensation
, VEGAFLEX
62
will always detect the medium with the
higher dielectric
fi
gure
(ε
r
).
S witch on phase
A ddress setting HART -
M ultidrop
P arameter adjustment
VEGAFLEX
62
•
4
…
20
m
A / HART
two
-
wire
31
6
S
et up with the indicating and adjustment module
PLICSCOM
31837
-
EN
-
090831