1
2
4
3
OPEN
TWIST
USB
LO
CK
F
ig
.
28
:
C
onnecting the
PC
via
HART
to the signal cable
1
S
ensor
2
HART
resistance
250
Ω (
optional depending on processing
)
3
C
onnection cable with
2
mm pins and terminals
4
P
rocessing system
/
PLC
/
V
oltage supply
5
I
nterface adapter
,
for example
VEGACONNECT
4
N
ote
:
W
ith power supply units with integrated
HART
resistance
(
internal
resistance approx
.
250
Ω),
an additional external resistance is not
necessary
.
T
his applies
,
e
.
g
.
to the
VEGA
instruments
VEGATRENN
149
A
,
VEGAMET
381
,
VEGAMET
391
.
C
ommon
E
x separators are
also usually equipped with a su
ffi
cient current limitation resistance
.
I
n
such cases
,
the interface converter can be connected parallel to the
4
…
20
m
A
cable
(
in the previous illustration dashed
).
7
.
2
P
arameter adjustment with
PACT
ware
A
s an alternative to the indicating and adjustment module
,
the sensor
can also be con
fi
gured via a
W
indows
PC
.
F
or this purpose
,
the
con
fi
guration software
PACT
ware and a suitable instrument driver
(
DTM
)
according to the
FDT
standard are required
.
T
he actual
PACT
ware version as well as all available
DTM
s are compiled in a
DTM C
ollection
.
F
urthermore the
DTM
s can be integrated in other
frame applications according to the
FDT
standard
.
N
ote
:
T
o ensure that all instrument functions are supported
,
you should
always use the latest
DTM C
ollection
.
F
urthermore
,
not all described
functions are included in older
fi
rmware versions
.
T
he latest instrument
software can be also downloaded from our homepage
.
A
description of
the update procedure is also available in the
I
nternet
.
F
urther setup steps are described in the operating instructions manual
"
DTM C
ollection
/
PACT
ware
"
attached to each
DTM C
ollection and
which can also be downloaded from the
I
nternet
.
D
etailed descriptions
are available in the online help of
PACT
ware and the
DTM
s
.
V
ia the interface adapter
and
HART
P
rerequisites
VEGAPULS
62
•
4
…
20
m
A
/
HART
two
-
wire
43
7
S
etup with
PACT
ware
36503
-
EN
-
100607