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Contents
VEGABAR 81 • Modbus and Levelmaster protocol
46293-EN-200529
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................................................................................................................... 5
2.6 NAMUR recommendations .............................................................................................. 6
2.7 Installation and operation in the USA and Canada ........................................................... 6
2.8 Environmental instructions ............................................................................................... 6
3 Product description ................................................................................................................. 7
3.1 Conguration.................................................................................................................... 7
3.2 Principle of operation........................................................................................................ 8
3.3 Supplementary cleaning procedures.............................................................................. 10
3.4 Packaging, transport and storage................................................................................... 11
3.5 Accessories.................................................................................................................... 11
4 Mounting................................................................................................................................. 13
4.1 General instructions ....................................................................................................... 13
4.2 Instructions for oxygen applications ............................................................................... 15
4.3 Ventilation and pressure compensation.......................................................................... 15
4.4 Process pressure measurement..................................................................................... 16
4.5 Level measurement........................................................................................................ 18
4.6 External housing ............................................................................................................ 18
5 Connecting to power supply and bus system .................................................................... 19
5.1 Preparing the connection ............................................................................................... 19
5.2 Connecting..................................................................................................................... 20
5.3 Wiring plan ..................................................................................................................... 22
5.4 External housing with version IP68 (25 bar) ................................................................... 23
5.5 Switch-on phase............................................................................................................. 25
6 Set up the sensor with the display and adjustment module............................................. 26
6.1 Insert display and adjustment module............................................................................ 26
6.2 Adjustment system......................................................................................................... 27
6.3 Measured value indication.............................................................................................. 28
6.4 Parameter adjustment - Quick setup .............................................................................. 29
6.5 Parameter adjustment - Extended adjustment................................................................ 29
6.6 Saving the parameterisation data................................................................................... 41
7 Setting up sensor and Modbus interface with PACTware .................................................. 42
7.1 Connect the PC.............................................................................................................. 42
7.2 Parameter adjustment with PACTware............................................................................ 43
7.3 Set instrument address .................................................................................................. 44
7.4 Saving the parameterisation data................................................................................... 45
8 Diagnosis, asset management and service ........................................................................ 46
