Endress+Hauser HART Proline t-mass I 300, Руководство по эксплуатации

Страница: 57 / 202

Proline t-mass I 300 HART Operation options
Hauser 57
Ent. access code
Invalid or out of range input
value
Max:9999
Min:0
A0014049-EN
For a description of the editing view - consisting of the text editor and numeric editor
- with symbols →  51, for a description of the operating elements →  53
7.3.10 User roles and related access authorization
The two user roles "Operator" and "Maintenance" have different write access to the
parameters if the customer defines a user-specific access code. This protects the device
configuration via the local display from unauthorized access →  122.
Defining access authorization for user roles
An access code is not yet defined when the device is delivered from the factory. Access
authorization (read and write access) to the device is not restricted and corresponds to the
"Maintenance" user role.
‣
Define the access code.
 The "Operator" user role is redefined in addition to the "Maintenance" user role.
Access authorization differs for the two user roles.
Access authorization to parameters: "Maintenance" user role
Access code status Read access Write access
An access code has not yet been defined
(factory setting).
 
After an access code has been defined.  
1)
1) The user only has write access after entering the access code.
Access authorization to parameters: "Operator" user role
Access code status Read access Write access
After an access code has been defined.  ––
1)
1) Despite the defined access code, certain parameters can always be modified and thus are excepted from
the write protection, as they do not affect the measurement. Refer to the "Write protection via access code"
section
The user role with which the user is currently logged on is indicated by the Access
status parameter. Navigation path: Operation → Access status
7.3.11 Disabling write protection via access code
If the -symbol appears on the local display in front of a parameter, the parameter is
write-protected by a user-specific access code and its value cannot be changed at the
moment using local operation →  122.
Parameter write protection via local operation can be disabled by entering the user-specific
access code in the Enter access code parameter (→  103) via the respective access
option.
1. After you press , the input prompt for the access code appears.