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3 mounting steps, tube isolating diaphragm, 4 mounting steps external housing – VEGA VEGABAR 61 Profibus PA User Manual

Page 15

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4.3 Mounting steps, tube isolating diaphragm

The isolating systems are temperature and pressure-aged at 80 °C
and 18 bar. The zero point is adjusted at 22 °C ±2 °C and a torque of
275 Nm. The defined installation position is: Tube isolating diaphragm
horizontally, VEGABAR 61 vertically.

For mounting, proceed as follows:

1

Position VEGABAR 61 with tube isolating diaphragm

2

Tighten the threaded fittings step-by-step once on the right and on
the left

3

Hold VEGABAR 61, to avoid distortion from the defined installation
position.

Caution:
Apart from mounting, the tube isolating diaphragm must not be
permanently under torsion.

4

Check current after mounting. The current must be between 3.9
and 4.1 mA. In case of a deviating value, losen threaded fitting and
mount again.

Information:
By slightly increasing or reducing the torque, the current can be set
exactly to 20 mA.

4.4 Mounting steps external housing

1

Mark the holes according to the following drilling template

2

Depending on the mounting surface, fasten the wall mounting
plate with 4 screws

Wall mounting

VEGABAR

61 • Profibus PA

15

4 Mounting

28251

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EN

-081209