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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Description of the heating engineer settings
18.10.2002
Clock
4.252 Clock mode
•
Straightforward time synchronization of the controllers in the system
Clock operation is an important setting for time synchronization if several controllers are
interconnected to form one system.
Setting range
Unit
Factory setting
0...3 –
3
For time adjustment of the controllers connected to the system,
one
device per system
must be set as the
system clock (setting 3)
.
The setting will change the effect of the system time on the controller's time setting
(settings on operating lines 1 to 2).
Entry:
0: Autonomous clock
•
The clock time on the unit can be adjusted
•
The controller's clock time will
not
be matched to the
system time
Adjustment
Controller's time
System time
1: System time
•
The clock time on the unit cannot be adjusted
•
The controller's clock time will automatically and
continuously be matched to the system time
Adjustment
Controller's time
System time
2: System time with adjustment
•
The clock time on the unit can be adjusted and, at
the same time, adjusts the system time since the
change will be adopted by the master
•
The controller's clock time is still automatically and
continuously matched to the system time
Adjustment
Controller's time
System time
3: System clock (master)
•
The clock time on the unit can be adjusted and, at
the same time, adjusts the system time
•
The controller's time is used for the system
Adjustment
Controller's time
System time
Benefit
Description
Setting
Important
Effect
