
BRONKHORST®
Page3
FLOW‐BUSinterface9.17.024
Tableofcontents
1 GENERALPRODUCTINFORMATION....................................................................................................4
1.1 INTRODUCTION ............................................................................................................................................. 4
1.2 MULTIBUSTYPES ...........................................................................................................................................4
1.3 REFERENCESTOOTHERAPPLICABLEDOCUMENTS ...................................................................................................5
1.3.1 Manualsanduserguides: ........................................................................................................................... 5
1.3.2 TechnicalDrawings:.................................................................................................................................... 5
1.3.3 Softwaretooling: ........................................................................................................................................ 5
1.4 SHORTFORMSTART‐UP................................................................................................................................... 6
2 FIELDBUSINSTALLATION .................................................................................................................11
2.1 GENERAL................................................................................................................................................... 11
2.2 FLOW‐BUSCONNECTOR .............................................................................................................................. 12
2.2.1 ShieldedRJ45modularjack.......................................................................................................................12
2.2.2 ShieldedacodedM12connector..............................................................................................................12
2.3 FLOW‐BUSCABLESANDT‐PARTS .................................................................................................................. 13
2.3.1 RJ45FTPcables ......................................................................................................................................... 13
2.3.2 M12DeviceNetdropcables ...................................................................................................................... 14
2.4 TERMINATION ............................................................................................................................... ............. 15
2.4.1 Terminationresistors ................................................................................................................................ 15
2.4.2 Biasingresistors ........................................................................................................................................ 15
2.5 POWERSUPPLY ........................................................................................................................................... 17
3 CHANGINGPARAMETERSVIAFLOW‐BUS .........................................................................................18
4 FLOW‐BUSINSTALLATIONANDADDRESSING ...................................................................................19
4.1 INSTALLATION............................................................................................................................................. 19
4.1.1 Installtobusviarotaryswitchesonthesideoftheinstrument(ifpresent)............................................. 19
4.1.2 AutomaticinstallationtoFLOW‐BUS ........................................................................................................ 19
4.1.3 RemoteinstallationtoFLOW‐BUS ............................................................................................................ 20
4.1.4 Installtobusonapre‐definednode‐addressorre‐addressinstrumentonthebus .................................20
4.2 SECURITYANDFLEXIBILITY.............................................................................................................................. 21
5 FLOW‐BUSSYSTEMOPERATIONWITHCOMPUTER...........................................................................22
5.1 COMMUNICATIONWITHFLOW‐BUSTHROUGHFLOW‐BUSDDESERVER ............................................................... 22
5.2 COMMUNICATIONWITHFLOW‐BUSDIRECTLYTHROUGHDLL............................................................................... 22
5.3 COMMUNICATIONWITHINTERFACEDIRECTLYTHROUGHRS232.............................................................................. 23
6 TROUBLESHOOTING .........................................................................................................................24
6.1 LEDINDICATIONS ........................................................................................................................................ 24
6.2 TROUBLESHOOTINGHINTSANDTIPS ................................................................................................................. 25
7 SERVICE............................................................................................................................................26
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