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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Description of heating engineer settings 26.03.2001
4.65 Display of LPB power supply
Overview of operating state of the controller-bus power supply.
The display shows whether the controller currently powers the bus (LPB).
Display Unit
ON / OFF –
The status of the controller-bus power supply will automatically be shown on this line.
Display:
ON Bus power supply currently active
The controller supplies power to the bus system
OFF Bus power supply currently inactive
Power supply to the bus can be accomplished in different ways. The respective setting
is made on line 142.
4.66 Range of action of central changeover
The range of action of central changeover can be defined.
Function for defining the range of action of central changeover.
Setting range Unit Factory setting
0 / 1 Increment 1
The range of action can be defined for central changeover “Changeover of operating
mode” (HCs + d.h.w., HCs), “Summer / winter changeover” and “Stand-by”. The range
of action can be defined by making the following settings:
0 Changeover takes place with all controllers in the same segment.
1 Changeover takes place with all controllers in the entire system (LPB).
The setting is of importance only if the controller is defined as the master and located in
segment 0 (address 0/1). With any other addressing, it has no effect.
Benefit
Description
Setting
Effect
Bus power supply
Benefit
Description
Setting
Effect
Note
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