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Contents
VEGABAR 82 • Modbus and Levelmaster protocol
46294-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 Permissible process pressure .......................................................................................... 6
2.7 NAMUR recommendations .............................................................................................. 6
2.8 Installation and operation in the USA and Canada ........................................................... 6
2.9 Environmental instructions ............................................................................................... 7
3 Product description ................................................................................................................. 8
3.1 Conguration.................................................................................................................... 8
3.2 Principle of operation........................................................................................................ 9
3.3 Supplementary cleaning procedures.............................................................................. 14
3.4 Packaging, transport and storage................................................................................... 15
3.5 Accessories and replacement parts ............................................................................... 15
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........................................................................................................ 23
4.5 External housing ............................................................................................................ 24
5 Connecting to power supply and bus system .................................................................... 25
5.1 Preparing the connection ............................................................................................... 25
5.2 Connecting..................................................................................................................... 26
5.3 Wiring plan ..................................................................................................................... 27
5.4 External housing with version IP 68 (25 bar)................................................................... 29
5.5 Switch-on phase............................................................................................................. 31
6 Set up the sensor with the display and adjustment module ............................................. 32
6.1 Insert display and adjustment module............................................................................ 32
6.2 Adjustment system......................................................................................................... 33
6.3 Measured value indication.............................................................................................. 34
6.4 Parameter adjustment - Quick setup .............................................................................. 35
6.5 Parameter adjustment - Extended adjustment................................................................ 35
6.6 Saving the parameterisation data................................................................................... 47
7 Setting up sensor and Modbus interface with PACTware.................................................. 48
7.1 Connect the PC.............................................................................................................. 48
7.2 Parameter adjustment .................................................................................................... 49
7.3 Set instrument address .................................................................................................. 51
8 Diagnosis, asset management and service ........................................................................ 52
8.1 Maintenance .................................................................................................................. 52
