VEGA VEGADIS 371 Ex - Manual (Page 5)

VEGADIS 371 Ex 5
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~90
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E F
G H I
92
K
Mounting
* DG-hole on instrument
2 Mounting
2.1 Mounting instructions
VEGADIS 371Ex indicating instrument can be either
mounted directly to the wall with three screws, plugged
on carrier rail 35 x 7,5 acc. to DIN EN 50 022 or
lowered into a front panel. VEGADIS 371Ex must be
generally mounted outside hazardous areas.
Before mounting VEGADIS 371 you should adjust the
requested sensor signal (I
a
, I
p
, U). The slide switch on
the rear of VEGADIS 371 under the cover is no more
accessible after mounting the instrument.
Dependent on the application and the sensor you can
choose between active current measurement (I
a
),
passive current measurement (I
p
) or voltage
measurement (U). Factory setting "I
a
“ see also
"4.2 Adjustment“. The position of the switch also
modifies the application conditions for Ex-instruments
(VEGADIS 371Ex). Note the type approval or the
conformity certificate of VEGADIS 371Ex.
Carrier rail mounting
• Place the adapter plate (A) to the rear of VEGADIS
371 (spring of the adapter plate to the bottom) and
tighten the plate with screw B (M4 x 6).
• Place VEGADIS 371 from the bottom to the carrier
rail (C) and push the instrument to the top until
snap-in.
Wall mounting
• Insert the metal sleeve (D) from top into the housing
cut-out.
• Fasten the instrument with three screws (ø max.
4 mm) directly to the wall.
Front panel mounting
• Remove the two pluggable terminal boards (F) and
the terminal board (K) to the top.
• Screw the pin (H) to the rear of VEGADIS 371 and
tighten with a screwdriver.
• Insert VEGADIS 371 from the front into the front
panel (E).
• Push the terminal strap (G) from the back to the pin
(H) and pull with the knurled nut (I) against the front
panel (E).
Front panel
cut-out
Cover
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43,5
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A B C
105
80
Ø4,5*
D