3.2.2 Access levels
RLU2… universal controllers have 3 access levels. They are:
3 access levels
• User level
• Service level
• Password level
Each data point is assigned one of these access levels.
The following table contains the 3 access levels and their purpose, access and
symbols:
Access
Level Access Symbol
User level
(for plant
operator)
The user level can be accessed any time.
Users can modify all data points that are visible
/ adjustable at this level.
None
Service level
(for maintenance)
1. Simultaneously press the OK and ESC
buttons.
2. Press the " + " / " – " buttons to select
service level SERV.
3. Press the OK button to confirm your
choice.
SERVICE
Password level
(for
commissioning)
1. Simultaneously press the OK and ESC
buttons.
2. Press the " + " / " – " buttons to select
password level PASS.
3. Press the OK button to confirm your
choice.
4. When PASSWRD is displayed, press the "
+ " button to select figure 2.
5. Press the OK button to confirm your
choice.
PASS
The 3 access levels share the following properties:
Common properties
• The access level determines which individual menus and operating lines are
activated
• A higher access level also shows the menus and operating lines for the lower
access levels
• The levels use a shared menu as a basis
• The password level contains the entire menu
• After a timeout of 30 minutes (period of time during which the controller is not
operated), the controller switches to the user level
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Siemens Universal Controllers RLU2… CE1P3101en
Building Technologies Operation 29.08.2008
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