2.4
Authorization
The user categories have been predefined for the LHMI and the WHMI, each with
different rights and default passwords.
The default passwords 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 IED 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 different communication protocols: IEC 61850, Modbus
®
and DNP3 Level 2 - all using TCP/IP. DNP3 and Modbus also support serial
communication. Operational information and controls are available through these
protocols.
1MRS240050-IB C
Section 2
REF615R overview
REF615R
37
Technical Manual
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