Vega VEGABAR 81, Operating Instructions Manual, Page: 2 / 72

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Contents
VEGABAR 81 • 4 … 20 mA
45025-EN-140228
Contents
1 About this document
1.1 Function ........................................................................................................................... 4
1.2 Target group ..................................................................................................................... 4
1.3 Symbols used................................................................................................................... 4
2 For your safety
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 CE conformity ................................................................................................................... 5
2.6 Permissible process pressure .......................................................................................... 5
2.7 NAMUR recommendations .............................................................................................. 6
2.8 Environmental instructions ............................................................................................... 6
3 Product description
3.1 Configuration .................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 8
3.3 Packaging, transport and storage ................................................................................... 10
3.4 Accessories and replacement parts ............................................................................... 10
4 Mounting
4.1 General instructions for use of the instrument ................................................................ 12
4.2 Ventilation and pressure compensation .......................................................................... 13
4.3 Process pressure measurement ..................................................................................... 16
4.4 Level measurement ........................................................................................................ 18
4.5 External housing ............................................................................................................ 19
5 Connecting to power supply
5.1 Preparing the connection ............................................................................................... 20
5.2 Connecting ..................................................................................................................... 21
5.3 Single chamber housing ................................................................................................. 22
5.4 Housing IP 66/IP 68 (1 bar) ............................................................................................ 23
5.5 External housing with version IP 68 (25 bar)................................................................... 23
5.6 Switch-on phase ............................................................................................................. 25
6 Set up with the display and adjustment module
6.1 Insert display and adjustment module ............................................................................ 26
6.2 Adjustment system ......................................................................................................... 27
6.3 Parameter adjustment - Quick setup .............................................................................. 27
6.4 Parameter adjustment - Extended adjustment ................................................................ 29
6.5 Saving the parameter adjustment data ........................................................................... 41
7 Setup with PACTware
7.1 Connect the PC .............................................................................................................. 43
7.2 Parameter adjustment .................................................................................................... 43
7.3 Saving the parameter adjustment data ........................................................................... 44
8 Set up with other systems
8.1 DD adjustment programs ............................................................................................... 45
8.2 Field Communicator 375, 475 ........................................................................................ 45
9 Diagnostics and service