GE 845 Instruction Manual page 126

DEVICE
NOTE:
4–22
ENERVISTA SETUP
For the software setup the following applies:
• Some Security Settings (such as Radius configuration) are only accessible and
configurable through the EnerVista setup program.
• The EnerVista software only allows for changes that are permitted by the user's
logged in role. For example, the Observer role cannot write to any settings, but can
only view.
• If the settings file is modified off line, EnerVista checks for the role of the user trying to
download it and allows the download only if the role is Administrator (see table below).
If the role is different, EnerVista notifies the user that this operation is allowed only for
Administrators (e.g., via a pop-up window).
• The EnerVista Login Screen has two radio buttons to choose between device and
server authentication.
– If server authentication is chosen, the screen provides "User Name:" and
"Password:" fields
– If device authentication is chosen the "User Name:" field changes to a drop down
menu.
If device authentication is enabled internally, the drop down menu contains all
predefined roles on the 8 Series.
If device authentication is disabled, the drop down menu has only the
Administrator option. This is to allow for switching on the device authentication.
Once logged in, the Administrator is only able to turn on the device
authentication, but once the device authentication is enabled, access to all the
other settings is granted.
• A file download may be performed only from EnerVista.
Table 4-2: Role and File Access Table
Role:
File access:
Read All files
(Download from 845)
Write (Upload to 845) Settings file
Firmware
For special case security settings, such as RADIUS IP address and port, if modified offline,
can result in interruption of service when applied online, if the user is not aware of the
change having been done. For this reason, if these settings have been modified, offline,
they will not be written during the file write operation.
RADIUS SETTINGS
The following are settings that need to be configured through EnerVista, in order to set up
communication with a Radius server on 845. For configuring the RADIUS server itself,
consult the RADIUS documentation. An example is provided, see Communications Guide.
Administrator
Yes
Yes
Yes
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS
Operator Observer
Yes Yes
No No
No No