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9 Set up with the display and adjustment module
VEGAPULS 6X • Two-wire 4 … 20 mA/HART
66190-EN-221107
9.4 Parameterization
9.4.1 Lock/Unlock adjustment
In this menu item you safeguard the sensor parameters against unau-
thorizedorunintentionalmodications.
Information:
The non-SIL version of the device is delivered in the unlocked state
and can be locked if required.
When the adjustment is blocked, only the following adjustment func-
tions are possible without entering the device code:
•
Select menu items and show data
•
Read data from the sensor into the display and adjustment module
Caution:
When the adjustment is blocked, the adjustment via PACTware/DTM
and other systems is also blocked.
Releasing the sensor adjustment is also possible in any menu item by
entering the device code.
In this menu item you safeguard the sensor parameters against unau-
thorizedorunintentionalmodications.
Information:
The SIL version of the device is delivered in locket state.
Safe parameterization:
To avoid possible errors during parameterization in a non-safe user
environment,avericationprocedureisusedthatmakesitpossible
to detect parameterization errors reliably. For this, safety-relevant
parametersmustbeveriedbeforetheyarestoredinthedevice.In
normal operating condition, the instrument is also locked against
parameter changes through unauthorized access.
Lock/Unlock adjustment
(non-SIL)
Lock/Unlock adjustment
(SIL)