KRAL BEM 500 - Table of Contents

Table of contents
1 About this document ..................................................... 3
1.1 General information .......................................................3
1.2 Target groups ................................................................3
1.3 Associated documents ..................................................3
1.4 Symbols.........................................................................4
1.4.1 Danger levels ....................................................4
1.4.2 Danger signs.....................................................4
1.4.3 Symbols in this document .................................4
2 Safety .............................................................................. 5
2.1 Proper use .....................................................................5
2.2 Foreseeable misuse ......................................................5
2.3 Fundamental safety instructions....................................5
3 Technical data ................................................................ 5
3.1 Dimensional drawing .....................................................5
3.2 Display...........................................................................5
3.3 Connection data ............................................................6
3.3.1 Power supply ....................................................6
3.3.2 Tension spring terminals...................................6
3.3.3 Pulse input and temperature input ....................6
3.3.4 Analog output, pulse output and relay output ...6
3.3.5 Modbus interface ..............................................7
3.4 Connection field.............................................................8
3.5 Pin assignment ..............................................................9
3.6 Ambient conditions ......................................................10
3.7 Accessories .................................................................10
4 Function description.................................................... 10
4.1 Functional principle......................................................10
4.1.1 Usage..............................................................10
4.1.2 Volume measurement.....................................10
4.1.3 Mass calculation .............................................10
4.1.4 Linearization....................................................10
4.1.5 Temperature compensation ............................11
4.1.6 Differential measurement................................11
4.1.7 Circulation ratio and threshold value...............11
4.1.8 Averaging........................................................11
4.1.9 Limit value bypass ..........................................11
4.1.10 Group error message......................................11
4.1.11 Flow direction detection ..................................11
4.1.12 Filling...............................................................11
4.1.13 Electronic evaluation.......................................12
4.1.14 Modbus connection.........................................12
4.1.15 Applications.....................................................12
4.2 Modbus interface .........................................................14
5 Transportation, storage............................................... 15
5.1 Scope of delivery .........................................................15
5.2 Unpacking and checking the state of delivery .............15
6 Installation, removal .................................................... 16
6.1 Dangers during installation, removal ...........................16
6.2 Installing the electronic unit in the control cabinet .......16
6.3 Mounting the electronic unit to the wall .......................17
6.4 Mounting the electronic unit at the pipe/flowmeter ......17
7 Connection ................................................................... 18
7.1 Dangers during connection work .................................18
7.2 Connecting cables to the tension spring terminals ......18
7.3 Connect the pick ups and temperature sensors ..........19
7.4 Connecting analog outputs, relay outputs and pulse out-
puts ..............................................................................19
7.5 Connecting the power supply.......................................20
8 Commissioning..............................................................21
8.1 Checking the electronic unit.........................................21
9 Decommissioning..........................................................21
9.1 Taking the electronic unit out of operation ...................21
10 Operation........................................................................22
10.1 Abbreviations, units and signals ..................................22
10.1.1 Abbreviations...................................................22
10.1.2 Units ................................................................22
10.1.3 Pulse signals ...................................................22
10.2 Key assignment ...........................................................23
10.3 Operation at a glance...................................................23
11 Menu description...........................................................26
11.1 Menu structure .............................................................26
11.2 Start .............................................................................27
11.3 Menu1: Display ...........................................................28
11.4 Menu 2: General settings.............................................29
11.5 Menu 3: Output settings...............................................31
11.6 Menu4: K-factors flowmeterA.....................................35
11.7 Menu5: K-factors flowmeterB.....................................35
11.8 Menu6: Density table1/density calculation.................36
11.9 Menu7: Density table2 ...............................................37
11.10Menu 8: Alarms ............................................................37
12 Maintenance...................................................................38
12.1 Required maintenance.................................................38
12.2 Cleaning the electronic unit..........................................38
13 Disposal..........................................................................38
13.1 Disposing of the electronic unit ....................................38
14 Troubleshooting ............................................................38
14.1 Fault table ....................................................................38
15 Accessories ...................................................................42
15.1 Installation....................................................................42
15.1.1 Fixing kits.........................................................42
15.1.2 Universal mount fixing kit.................................42
15.1.3 Fixing kit for pipe mounting/mounting on OMG
.........................................................................42
15.1.4 Fixing kit mounting on OME ............................43
15.1.5 Adapter set for conversion of BEM4U to
BEM300/BEM500 ........................................43
15.2 Electrical connection ....................................................44
15.2.1 Different voltage ..............................................44
15.2.2 Rack mounting power supply unit EEN12 ......44
15.2.3 Plug-in power supply unit EEN13 ...................45
16 Appendix ........................................................................46
16.1 Glossary.......................................................................46
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OIE 12en-GB Edition 2020-03
Operating instructions