Bronkhorst FLOW-BUS interface User Manual download pdf (Page 13)

BRONKHORST®

2.3 FLOW‐BUSCABLESANDT‐PARTS

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2.3.1 RJ45FTPcables

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For connecting instruments to the FLOW‐BUS you need shielded cables with at least 3 wires (for data only).

Recommendedare twistedwire cables forRS485‐communicationswith100or 120 Ohmimpedance.AllBronkhorst

FLOW‐BUScableshavealsointegratedpower‐supplywires.FortheuseintheEL‐FLOWrange(no

nIP‐65)itisbestto

useShielded(+Foiled)TwistedPairpatch‐cableswithRJ45modularjackconnectors(8‐pinsfordataandpower‐supply

connections).

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RJ45shieldedFTPCAT.5ecable RJ45shieldedconnectors

ShieldedFTPcable Powerisolator 7.03.241ModularYadaptercable

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Page13

FLOW‐BUSinterface9.17.024

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CAT.5ecablesareavailablewithawireof:

26AWG(wirediameter0.140mm

,witharesistanceof137Ohm/km).

24AWG(wirediameter0.205mm

,witharesistanceof86Ohm/km).

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Moreinformationaboutcat.5ecablescanbefoundat::

http://en.wikipedia.org/wiki/Category_5_cable

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Bronkhorst FLOW-BUS interface User Manual Page 13