Endress+Hauser Proline Promag H 300 - 10.8.2 Write protection via write protection switch

Commissioning Proline Promag H 300 PROFINET
126 Endress+Hauser
Parameters which can always be modified via the local display
Certain parameters that do not affect the measurement are excepted from parameter write
protection via the local display. Despite the user-specific access code, they can always be
modified, even if the other parameters are locked.
Parameters for configuring
the local display
Parameters for configuring
the totalizer
↓ ↓
Language Format display Control Totalizer
Contrast display Preset value
Display interval Reset all totalizers
Defining the access code via the Web browser
1. Navigate to the Define access code parameter (→  121).
2. Define a max. 16-digit numeric code as an access code.
3. Enter the access code again in the Confirm access code parameter (→  121) to
confirm the code.
 The Web browser switches to the login page.
If no action is performed for 10 minutes, the Web browser automatically returns to
the login page.
• If parameter write protection is activated via an access code, it can also only be
deactivated via this access code →  59.
• The user role with which the user is currently logged on via Web browser is
indicated by the Access status parameter. Navigation path: Operation → Access
status
Resetting the access code
If you misplace the user-specific access code, it is possible to reset the code to the factory
setting. A reset code must be entered for this purpose. The user-specific access code can
then be defined again afterwards.
Via Web browser, FieldCare, DeviceCare (via CDI-RJ45 service interface), fieldbus
For a reset code, contact your Endress+Hauser service organization.
1. Navigate to the Reset access code parameter (→  122).
2. Enter the reset code.
 The access code has been reset to the factory setting 0000. It can be redefined
→  125.
10.8.2 Write protection via write protection switch
Unlike parameter write protection via a user-specific access code, this allows write access
to the entire operating menu - except for the "Contrast display" parameter - to be locked.
The parameter values are now read only and cannot be edited any more (exception
"Contrast display" parameter):
• Via local display
• Via PROFINET protocol