D
anger
:
T
he bridges must never be used with single instruments or at the end
of a row of instruments
.
I
f this rule is not heeded
,
there is a danger of
coming into contact with the operating voltage or causing a short
circuit
.
A VEGATOR
631
E
x in
E
x version is an auxiliary
,
intrinsically safe
instrument and must not be installed in explosion
-
endangered areas
.
B
efore setup
,
the
E
x separating chamber must be attached
(
as shown
below
)
with
E
x versions
.
S
afe operation can be only ensured if the
operating instructions manual and the
EG
type approval certi
fi
cate are
observed
.
VEGATOR
631
E
x must not be opened
.
C
lose the upper terminals according to the following illustration
.
1
2
4
3
F
ig
.
3
:
M
ounting the separating chamber
A
ll signal conditioning instruments are provided with di
ff
erent gaps
dependent on type and version
(
mechanical coding
).
T
he plug
-
in socket is provided with coded pins that can be inserted to
prevent accidental interchanging of the various instrument types
.
W
ith a
VEGATOR
631
E
x in
E
x version
,
the supplied coded pins
(
type
coded pin and
E
x coded pin
)
must be inserted by the user according to
the below chart
.
E
x separating chamber
I
nstrument coding
VEGATOR
631
E
x
•
S
ignal conditioning instrument
11
4
M
ounting
23440
-
EN
-
090130
