Section 14 Authorization
About this chapter
This chapter describes password procedures and levels of access in the system.
14.1
Administrate users
The Administrator submenu allows the administrator to log on, log off, edit own data,
add new users, edit users and delete users. The HMI path is as follows:
Authorization/Administrator
To log in as administrator
Write abb in place of the three first * symbols. Place the cursor at the fourth * symbol.
Press the "down arrow" until the $ symbol appears directly behind abb. Enter
User categories
There are three different user categories, these are listed below:
•
Super user (Unlimited access)
•
Administrator (Admin. only)
•
Control safeAction (Limited access)
The users are categorized according to the level of access they are allowed in the
system. The super user is the default setting. The super user has unlimited access to
the HMI. The administrator user category can create new users, change passwords,
access settings but cannot exercise direct apparatus control. The Control safeAction
category of user can open and close breakers, disconnectors and the like via the HMI
but has no access to settings and cannot manoeuvre an apparatus which is interlocked.
User access can be limited to certain places and to certain levels in the control system.
This is known as place authority. In multi-level control systems there are control
points on different levels in the system. It may be desirable to have a certain category
of user at a remote locality such as the network control centre (SCADA). Other users
may be placed at the station operator WPL (MICROSCADA). Both are remote in
relation to the IED.
The control IED is provided with a control switch that can be set to LOCAL,
REMOTE or OFF.
Section 14
Authorization
RET 670
Operator's manual
1MRK504049-UEN rev. D
83
