Vega SOLITRAC 31 4 … 20 mA_HART - four-wire With SIL qu Bedienungsanleitung PDF herunterladen (Seite 44)

7 Set up with the display and adjustment module

SOLITRAC 31 • 4 … 20 mA/HART - four-wire

43387-EN-131119

adjustment module. To do this you need PACTware with the respective

DTM.

With this menu item you safeguard the sensor parameters against

unauthorizedorunintentionalmodications.

To avoid possible errors during parameterization in a non-safe user

environment,avericationprocedureisusedthatmakesitpossible

to detect parameterization errors reliably. For this, safety-relevant

parametersmustbeveriedbeforetheyarestoredinthedevice.In

normal operating condition, the instrument is also locked against

parameter changes through unauthorized access.

For this reason, the instrument is shipped in locked conditon. The PIN

in the delivery status is "0000".

Afterachange,allsafety-relevantparametersmustbeveried.For

this purpose, a character string comparison must be carried out. This

is used to check the character respresentation and the communica-

tion channels.

Conrmifthetwocharacterstringsareidentical.Thevericationtexts

are provided in German and with all other menu languages in English.

Inasecondstep,allmodiedsafety-relevantparametersarelisted.

Conrmthemodiedvalues.

If the described process of parameter adjustment was run through

completely and correctly, the instrument will be locked and hence

ready for operation.

Otherwise the instrument remains in the released and hence unsafe

condition.

Themainmenuisdividedintovesectionswiththefollowingfunc-

tions:

Lock setup - adjustment

Main menu

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Vega SOLITRAC 31 4 … 20 mA_HART - four-wire With SIL qu Bedienungsanleitung Seite 44