Endress+Hauser Fieldbus Levelflex M FMP43 Operating Instructions Manual page 45

Levelflex M FMP43 with FOUNDATION Fieldbus
Endress+Hauser
6.2.2 Key combination (display and operating module VU331)
Locking
Press S, O and F simultaneously.
Unlocking
If you try to change a parameter, the following appears:
Press S, O and F simultaneously. The "unlock parameter" (0A4) function appears.
Enter "2457". Now parameters can be changed.
Parameters affected
Locking by the key combination affects the following parameters:
• Parameters of the instrument specific blocks (Sensor Block, Diagnostic Block, Display Block)
• Endress+Hauser service parameters
6.2.3 Locking parameter
Locking
Enter a number other than "2457" into the "unlock parameter" (0A4) function.
(FOUNDATION Fieldbus: Diagnsotic Block, parameter PAROPERATIONMODE)
Unlocking
Enter "2457" into the "unlock parameter" (0A4) function.
(FOUNDATION Fieldbus: Diagnostic Block, parameter PAROPERATIONMODE)
Parameters affected
Locking by the locking parameter affects the following parameters:
• Parameters of the instrument specific blocks (Sensor Block, Diagnostic Block, Display Block)
• Endress+Hauser service parameters
Commissioning
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