Vega VEGABAR 83 - Table of Contents

2
Contents
VEGABAR 83 • 4 … 20 mA/HART
45036-EN-171120
Contents
1 About this document ............................................................................................................... 4
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbols used................................................................................................................... 4
2 For your safety ......................................................................................................................... 5
2.1 Authorised personnel ....................................................................................................... 5
2.2 Appropriate use ................................................................................................................ 5
2.3 Warning about incorrect use ............................................................................................. 5
2.4 General safety instructions ............................................................................................... 5
2.5 EU conformity ................................................................................................................... 6
2.6 SILqualicationaccordingtoIEC61508 .......................................................................... 6
2.7 Permissible process pressure .......................................................................................... 6
2.8 NAMUR recommendations .............................................................................................. 6
2.9 Installation and operation in the USA and Canada ........................................................... 7
2.10 Environmental instructions ............................................................................................... 7
3 Product description ................................................................................................................. 8
3.1 Conguration
.................................................................................................................... 8
3.2 Principle of operation........................................................................................................ 9
3.3 Supplementary cleaning procedures .............................................................................. 13
3.4 SIL features .................................................................................................................... 13
3.5 Packaging, transport and storage ................................................................................... 14
3.6 Accessories and replacement parts ............................................................................... 14
4 Mounting ................................................................................................................................. 17
4.1 General instructions ....................................................................................................... 17
4.2 Ventilation and pressure compensation .......................................................................... 18
4.3 Process pressure measurement ..................................................................................... 21
4.4 Level measurement ........................................................................................................ 24
4.5 External housing ............................................................................................................ 25
5 Connecting to power supply ................................................................................................. 26
5.1 Preparing the connection ............................................................................................... 26
5.2 Connecting ..................................................................................................................... 27
5.3 Single chamber housing ................................................................................................. 29
5.4 Double chamber housing ............................................................................................... 29
5.5 Ex-d-ia double chamber housing .................................................................................... 31
5.6 Double chamber housing with VEGADIS-Adapter .......................................................... 32
5.7 Housing IP 66/IP 68 (1 bar) ............................................................................................ 33
5.8 External housing with version IP 68 (25 bar)................................................................... 33
5.9 Connection example ...................................................................................................... 35
5.10 Switch-on phase............................................................................................................. 36
6 Functional safety (SIL) .......................................................................................................... 37
6.1 Objective ........................................................................................................................ 37
6.2 SILqualication .............................................................................................................. 37
6.3 Application area ............................................................................................................. 37
6.4 Safety concept of the parameterization .......................................................................... 38
7 Set up with the display and adjustment module ................................................................ 40
7.1 Insert display and adjustment module ............................................................................ 40