Bronkhorst FLOW-BUS interface User Manual download pdf (Page 16)

BRONKHORST®

Bronkhorst offers special begin‐termination connectors with the resistor network. This handles correct termination

butalsogivesadefinedvoltageontheRS485‐Aand‐Blineforevenmorereliabilityofthebussystem.

Anend‐terminatorisalsoofferedbyBronkhorstandhandlescorrectterminationadtheendofthebus.



Terminationca

nbeperformedwithspecialtermination‐connectors,offeredbyBronkhorst.

Terminationschematic

RJ45 M12

703297‐‐RJ45Begin

terminator

703298‐‐RJ45End

terminator

Beginterminator Endterminator

FLOW‐BUSsystem

Page16

FLOW‐BUSinterface9.17.024



Atthe beginningof each FLOW‐BUSsystem there always mustbe aresistor network as showed above.This begin‐

terminatorneedstobepartofyoursystem.Bronkhorstoffersspecialbegin‐terminationconnectorswiththeresistor

network.ThishandlescorrectterminationbutalsogivesadefinedvoltageontheRS485‐Aan

d‐Blineforevenmore

reliabilityoftheFLOW‐BUSsystem.



Bronkhorstadvisesalwaystouseaterminationresistorattheendofthebusinyoursystem.Thisend‐terminatoris

alsoofferedbyBronkhorstandhandlescorrectterminationfortheFLOW‐BUS.

+15…24Vdc

RB1

976Ohm

RS485‐A

RT1

1Ohm

RB2

392Ohm

RS485‐B

RT2

1Ohm

Begintermination(RED) Endtermination(BLACK)

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Bronkhorst FLOW-BUS interface User Manual Page 16