Vega VEGAPULS 68 - Table of Contents

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Radar - Level measurement in bulk solids

29427-EN-160312

Contents

1 Measuring principle ............................................................................................................................................................................................... 3

2 Type overview .........................................................................................................................................................................................................4

3 Instrument selection .............................................................................................................................................................................................. 6

4 Selection criteria .................................................................................................................................................................................................... 7

5 Housing overview .................................................................................................................................................................................................. 8

6 Mounting ................................................................................................................................................................................................................. 9

7 Electronics - 4 … 20 mA/HART - two-wire ......................................................................................................................................................... 11

8 Electronics - 4 … 20 mA/HART - four-wire ........................................................................................................................................................ 12

9 Electronics-ProbusPA .................................................................................................................................................................................... 13

10 Electronics-FoundationFieldbus .....................................................................................................................................................................14

11 Electronics-Modbus,Levelmasterprotocol .................................................................................................................................................... 15

12 Operation ..............................................................................................................................................................................................................16

13 Dimensions ...........................................................................................................................................................................................................18

Take note of safety instructions for Ex applications

Please note the Ex specic safety information that you can nd at www.vega.com and that comes with each instrument. In hazardous areas

you should take note of the appropriate regulations, conformity and type approval certicates of the sensors and power supply units. The sen-

sors must only be operated on intrinsically safe circuits. The permissible electrical values are stated in the certicate.