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2.4
Authorization
Four user categories have been predefined for the LHMI and the WHMI, each with
different rights and default passwords.
The default passwords in the protection relay delivered from the factory can be changed
with Administrator user rights.
User authorization is disabled by default for LHMI but WHMI always
uses authorization.
Table 3:
Predefined user categories
Username
User rights
VIEWER
Read only access
OPERATOR
•
Selecting remote or local state with
(only locally)
•
Changing setting groups
•
Controlling
•
Clearing indications
ENGINEER
•
Changing settings
•
Clearing event list
•
Clearing DFRs and load profile record
•
Changing system settings such as IP address, serial baud rate or
DFR settings
•
Setting the protection relay to test mode
•
Selecting language
ADMINISTRATOR
•
All listed above
•
Changing password
•
Factory default activation
For user authorization for PCM600, see PCM600 documentation.
2.5
Communication
The protection relay supports a range of communication protocols including IEC 61850,
IEC 61850-9-2 LE, Modbus
®
and DNP3. Operational information and controls are
available through these protocols. However, some communication functionality, for
Section 2
1MAC059074-MB A
615 series overview
52
615 series ANSI
Technical Manual
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