Table 521:Pre-defined user typesUser type Access rightsSystemOperator Control from local HMI, no bypassProtectionEngineer All settingsDesignEngineer Application configuration (including SMT, GDEand CMT)UserAdministrator User and password administration for the IEDThe IED users can be created, deleted and edited only with the IED User Managementwithin 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.Only characters A - Z, a - z and 0 - 9 should be used in user names andpasswords.The maximum of characters in a password is 12.At least one user must be included in the UserAdministrator group tobe able to write users, created in PCM600, to IED.15.12.4.1 Authorization handling in the IEDAt delivery the default user is the SuperUser. No Log on is required to operate the IEDuntil a user has been created with the IED User Management..Once a user is created and written to the IED, that user can perform a Log on, using thepassword 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 userdefined!”If one user leaves the IED without logging off, then after the timeout (set in Mainmenu/Configuration/HMI/Screen/SCREEN:1) elapses, the IED returns to Gueststate, when only reading is possible. By factory default, the display timeout is set to 60minutes.If one or more users are created with the IED User Management and written to theIED, then, when a user attempts a Log on by pressing the key or when the userattempts to perform an operation that is password protected, the Log on windowopens.The cursor is focused on the User identity field, so upon pressing the key, one canchange 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 again. When it1MRK 511 287-UEN A Section 15Basic IED functions579Technical manual
