ABB Relion 650 Series Technical Manual page 574

Section 16
Basic IED functions
Table 527: Pre-defined user types
User type
SystemOperator
ProtectionEngineer
DesignEngineer
UserAdministrator
The IED users can be created, deleted and edited only with the User Management Tool (UMT)
within PCM600. The user can only LogOn or LogOff on the local HMI on the IED, there are no users,
groups or functions that can be defined on local HMI.
16.13.4.1 Authorization handling in the IED
At delivery the default user is the SuperUser. No Log on is required to operate the IED until a user
has been created with the User Management Tool.
Once a user is created and written to the IED, that user can perform a Log on, using the password
assigned in the tool. Then the default user will be Guest.
If there is no user created, an attempt to log on will display a message box: "No user defined!"
If one user leaves the IED without logging off, then after the timeout (set in Main menu/
Configuration/HMI/Screen/1:SCREEN) elapses, the IED returns to Guest state, when only reading
is possible. By factory default, the display timeout is set to 60 minutes.
If one or more users are created with the User Management Tool and written to the IED, then,
when a user attempts a Log on by pressing the
operation that is password protected, the Log on window opens.
The cursor is focused on the User identity field, so upon pressing the
user name, by browsing the list of users, with the "up" and "down" arrows. After choosing the right
user name, the user must press the
key, the following characters will show up: "✳✳✳✳✳✳✳✳". The user must scroll for every letter
in the password. After all the letters are introduced (passwords are case sensitive) choose OK and
press the
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Only characters A - Z, a - z and 0 - 9 should be used in user names and passwords.
At least one user must be included in the UserAdministrator group to be able to
write users, created in PCM600, to IED.
key again.
© Copyright 2011 ABB Power Grids. All rights reserved
Access rights
Control from local HMI, no bypass
All settings
Application configuration (including SMT, GDE and
CMT)
User and password administration for the IED
key or when the user attempts to perform an
key again. When it comes to password, upon pressing the
1MRK 506 326-UUS B
SEMOD176296-5 v5
key, one can change the
Line distance protection REL650
Technical manual