Authorization; Communication - ABB RELION REF615R Technical Manual

1MRS240050-IB C
2.4
2.5
REF615R
Technical Manual

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
VIEWER
OPERATOR
ENGINEER
ADMINISTRATOR
For user authorization for PCM600, see PCM600 documentation.

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.
User rights
Read only access
•
Selecting remote or local state with
• Changing setting groups
• Controlling
• Clearing indications
• 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
• All listed above
• Changing password
• Factory default activation
Section 2
REF615R overview
(only locally)
®
37