8
.
3
E
xchange of the electronics module
I
f the electronics module is defective
,
it can be replaced by the
user
.
I
n
E
x applications only one instrument and one oscillator with
respective
E
x approval may be used
.
I
f there is no electronics module available on site
,
one can be
ordered from the
VEGA
agency serving you
.
T
he order data of the sensor must be downloaded into the new
electronics module
.
T
his can be done
:
l
at the factory by
VEGA
l
or on site by the user
I
n both cases
,
the sensor serial number is necessary
.
T
he
serial numbers are stated on the type label of the instrument
,
inside the housing or on the delivery note
.
I
nformation
:
W
hen loading on site
,
fi
rst of all the order data must be
downloaded from the
I
nternet
(
see operating instructions
manual
"
O
scillator
"
).
T
he oscillators are adapted to the respective sensor and di
ff
er
also in the signal output or power supply
.
T
he suitable
oscillator is listed in the following overview
.
O
scillator
SN
-
E
.
61
H
is suitable for
VEGASON
61
,
62
,
63
-
4
…
20
m
A
/
HART
:
l
SN
-
E
.
61
H
X
(
X
=
without approvals
)
l
SN
-
E
.
61
H
D
(
D
=
approvals
XM
,
CX
,
CM
,
CI
,
UX
,
UF
according to
VEGA
product list
)
l
SN
-
E
.
61
H
H
(
H
=
approvals
KX
,
KF
according to
VEGA
product list
)
8
.
4
I
nstrument repair
I
f a repair is necessary
,
please proceed as follows
:
Y
ou can download a return form
(
23
KB
)
from the
I
nternet on
our homepage www
.
vega
.
com under
:
"
D
ownloads
-
F
orms
and certi
fi
cates
-
R
epair form
"
.
B
y doing this you help us carry out the repair quickly and
without having to call for needed information
.
S
ensor serial number
A
ssignment
4
…
20
m
A
/
HART
M
aintenance and fault recti
fi
cation
48
VEGASON
63
-
4
...
20
m
A
/
HART
28777
-
EN
-
070507
