Mounting Instructions - Vega MET 381 EX Mise En Service

available in the scope of delivery (top hat rail
35 x 7.5 according to DIN EN 50022/60715).
Hinweis:
If the instrument is mounted via the
screws or carrier rail, it must always be
inside a switching cabinet or protective
case.
A VEGAMET 381 Ex is an auxiliary,
intrinsically safe instrument and may not
be installed in explosion-endangered
areas.
Before setup, the Ex separating chamber
must be attached to the sensor input.
Safe operation can be only ensured if
the operating instructions manual and
the EG type approval certificate are
observed. VEGAMET 381 Ex must not
be opened.
Information:
Input mode active/passive: Before
mounting VEGAMET 381 Ex, set the
requested mode of the measuring data
input. With a slide switch on the rear of
the instrument you can choose between
active and passive current input (see
chapter "Input mode active/passive").
After mounting the instrument, the slide
switch is no longer accessible.
4.2

Mounting instructions

Front panel mounting
1. Make sure that the cutout required for
installation has a size of 92 x 92 mm
(3.63 x 3.63 in). The required installation
depth is min. 90 mm (3.54 in).
2. Remove the pluggable terminal strips from
the top and bottom.
3. Screw the threaded pin [3] into the rear of
the instrument and tighten with a screwdri-
ver.
4. Insert the instrument from the front into the
front panel [1].
5. Place the clamping strap [2] from the back
over the pin [3] and pull it with the knurled
nut [4] against the panel [1].
VEGAMET 381 Ex • 4 ... 20 mA signal conditioning instrument
1
Abb. 11: Front panel mounting
1 Front panel
2 Clamping bracket
3 Pin
4 Knurled nut
Screw mounting
1. Insert the metal strap [1] from above into the
housing cut-out.
2. Fasten the instrument directly to the wall
with the three screws (max. ø 4 mm).
Abb. 12: Screw mounting
1 Metal strap
2 Covering slide switch active-passive
Carrier rail mounting
1. Place the adapter plate [1] to the rear of
VEGAMET 381 Ex (spring of the adapter
plate downward) and fasten the plate with
screw [2] (M4 x 6).
2. PlaceVEGAMET 381 Ex against the carrier
rail [3] from below and push the instrument
upward until it snaps in.
Abb. 13: Carrier rail mounting
1 Adapter plate
2 Screw (M4 x 6)
3 Carrier rail
4 Mounting
2 3 4
1
80
1 2 3
2
23