WIKA DPT-20, Operating Instructions Manual

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Contents
WIKA Operating Instructions - Differential pressure transmitter DPT-20
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
3 Product description ................................................................................................................. 7
3.1 Configuration .................................................................................................................... 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 Connection to the process.............................................................................................. 15
4.4 Mounting and connection instructions ............................................................................ 16
4.5 Measurement setups ...................................................................................................... 18
5 Connecting to the bus system .............................................................................................. 27
5.1 Preparing the connection ............................................................................................... 27
5.2 Connecting ..................................................................................................................... 28
5.3 Wiring plans ................................................................................................................... 29
5.4 Switch-on phase............................................................................................................. 33
6 Set up the sensor with the display and adjustment module ............................................. 34
6.1 Insert display and adjustment module ............................................................................ 34
6.2 Adjustment system ......................................................................................................... 35
6.3 Measured value indication .............................................................................................. 36
6.4 Parameter adjustment - Quick setup .............................................................................. 37
6.5 Parameter adjustment - Extended adjustment ................................................................ 37
6.6 Saving the parameterisation data ................................................................................... 51
7 Set up measuring system ..................................................................................................... 53
7.1 Level measurement ........................................................................................................ 53
7.2 Flow measurement ......................................................................................................... 55
8 Diagnosis, asset management and service ........................................................................ 57
8.1 Maintenance .................................................................................................................. 57
8.2 Diagnosis memory ......................................................................................................... 57
8.3 Asset Management function ........................................................................................... 58
8.4 Rectify faults ................................................................................................................... 60
8.5 Replace process flanges ................................................................................................ 61