Vega VEGADIF 65 4 … 20 mA Bedienungsanleitung PDF herunterladen (Seite 63)

8Maintenanceandfaultrectication

VEGADIF 65 • 4 … 20 mA

36236-EN-130417

8 Maintenanceandfaultrectication

8.1 Maintenance

Iftheinstrumentisusedproperly,nospecialmaintenanceisrequired

in normal operation.

In some applications, product buildup on the separating diaphragms

caninuencethemeasuringresult.Dependingonthesensorand

application, take precautions to ensure that heavy buildup, and espe-

cially a hardening thereof, is avoided.

8.2 Rectifyfaults

The operator of the system is responsible for taking suitable meas-

ures to rectify faults.

VEGADIF65oersmaximumreliability.Nevertheless,faultscanoc-

curduringoperation.Thesemaybecausedbythefollowing,e.g.:

•

Sensor

•

Process

•

Voltage supply

•

Signal processing

Therstmeasurestobetakenaretochecktheoutputsignalsaswell

as to evaluate the error messages via the display and adjustment

module.Theprocedureisdescribedbelow.Furthercomprehensive

diagnosticscanbecarriedoutonaPCwiththesoftwarePACTware

andthesuitableDTM.Inmanycases,thecausescanbedetermined

andthefaultsrectiedthisway.

Should these measures not be successful, please call in urgent cases

the VEGA service hotline under the phone no. +49 1805 858550.

Thehotlineisavailabletoyou7daysaweekround-the-clock.Since

weoerthisserviceworld-wide,thesupportisonlyavailableinthe

English language. The service is free of charge, only the standard

telephonecostswillbecharged.

Connect a handheld multimeter in the suitable measuring range ac-

cordingtothewiringplan.

Error code Cause Rectication

4 … 20 mA

signal not

stable

Leveluctuations – Set the integration time via the

display and adjustment module or

PACTwa re

Maintenance

Reactionwhenmalfunc-

tions occur

Failure reasons

Faultrectication

24 hour service hotline

Check the 4 … 20 mA

signal

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