Endress+Hauser Prosonic M FMU40 - Page 41

Prosonic M - FOUNDATION Fieldbus Commissioning
Endress+Hauser 41
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:
L00-fmrxf0a4-20-00-00-de-001
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 device 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 device specific blocks (Sensor Block, Diagnostic Block, Display Block)
• Endress+Hauser service parameters