Bronkhorst DeviceNet slave interface Bedienungsanleitung PDF herunterladen (Seite 42)

BRONKHORST®

Page42DeviceNetinterface   9.17.026

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12.1.3 DeviceNeterrordescription

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SITUATION Description

Minorcommunicationerror

(redLED:0.1secon,2secoff)

Eachcommunicationerrorwillbeseenasaminorcommunicationerror

exceptforwhentheinstrumentisinthecommunicationfaultstate.

Instrumentwillstayintheon‐linestate.Theseerrorswillberecovered

automatically.

Examplesofminorerrors:

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WheninstrumentisonlymemberonDeviceNetnetwork

WhenanI/Oconnectiontime‐outhasoccurred

Nobuspower

(redLED:0.2secon,0.2secoff)

Instrumenthardwaredetectsthat+24VdcinDeviceNetcableisnotpresent.

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Seriouscommunicationerror

(redLED:2secon,0.1secoff)

Instrumentwillget incommunicationfaultstate.Thiswillhappenat

duplicateMACIDoratbus‐offevent(Thisnodeisfaultyandisnotallowedto

haveanyinfluenceonthebus).Thisstatecanonlybe

leftbymanual

intervention.Instrumentneedsareseteitherbyusingthemicro‐switchon

topoftheinstrumentoranewpower‐up.AtduplicateMACIDsituation,

sendinganewMACIDviaRS232(e.gusingFlowFix)couldalsosolvethe

problem.

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12.2 TROUBLESHOOTINGHINTSANDTIPS 

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SITUATION Description

DeviceNetproblems CheckallDeviceNetsettingsatyourmaster.Masteranddevicesettingsfor

useofmemorymodulesmustbethesame.Makesureselected

configurationatdeviceconfigurationforpolledI/Oisthesameasthe

settingsatparameterdata.Seechapter7formoredetails.

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CheckMACIDand

Baudrateofdevice(slave).

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CheckcablingandbusterminationofyourDeviceNetsystem.

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Checkpowersupply.Instrumentsneed+24Vdc.

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Trytoresettheinstrumentand/orrestartyourmaster.

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Makesureallsettingsforyourslavearedownloadedtoyourmaster

(otherwiseitwon’twork).

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ContactDeviceNetsales

representativeorservicedepartment.

Other(FLOW‐BUS)problems ContactBronkhorst localsalesrepresentativeorsende‐maildescribingyour

problemto:seeservicechapter.

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