Vega VEGABAR 81 HART and accumulator pack - Operating I Bedienungsanleitung PDF herunterladen (Seite 46)

9 Diagnosis, asset management and service

VEGABAR 81 • HART and accumulator pack

45026-EN-131107

Code

Text mes-

sage

Cause Rectication

M501

Error in the

non-active

linearization

table

– Index markers are not con-

tinuously rising, for example

illogical value pairs

– Checklinearizationtable

– Delete table/Create new

M502

Error in the

event memory

– Hardware error EEPROM – Exchanging the electronics

– Send instrument for repair

M504

Error on an

device inter-

face

– Hardware defect – Check connections

– Exchanging the electronics

– Send instrument for repair

M507

Error in the

instrument

settings

– Error during setup

– Error when carrying out a

reset

– Carry out reset and repeat

setup

9.4 Rectify faults

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

ures to rectify faults.

Therstmeasuresare:

•

Evaluation of fault messages, for example via the display and

adjustment module

•

Checking the output signal

•

Treatment of measurement errors

Further comprehensive diagnostics options are available with a PC

with PACTware and the suitable DTM. In many cases, the reasons can

bedeterminedinthiswayandfaultsrectied.

Connect a multimeter in the suitable measuring range according to

the wiring plan. The following table describes possible errors in the

current signal and helps to remove them:

Error Cause Rectication

4 … 20 mA signal

not stable

– Fluctuations of

the measured

variable

– Set damping according to the

instrument via the display and

adjustment module or PACTware/

DTM

Reaction when malfunc-

tions occur

Procedure for fault recti-

cation

Check the 4 … 20 mA

signal

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 67 68

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