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Siemens Building Technologies
Basic Documentation RVA47.320
CE1P2379E
HVAC Products
Description of the heating engineer settings
15.07.2002
LPB / system
•
Creation of systems
•
Wide field of use with a smaller number of unit versions
•
Plants can be extended in a straightforward manner
The LPB is used as a communication basis for generating a system with additional
ALBATROS™ controllers or controllers of other manufacture.
4.50
LPB device address
The device address and the segment address are used as destinations in the bus
system (similar to a postal address). To ensure communication, each device must be
correctly addressed.
1.
Press the operating line selection buttons to select operating line 140.
2.
Press the + / - buttons to enter the device number.
Setting range
Unit
Factory setting
0...16 Increment
1
Entry of the device address is especially important when using combinations of units, or
in a system. The addresses classify the controllers within a segment.
Entry:
Address Effect
Example
0 Standalone
Single
controllers
1 Master
(LPB)
−
Controllers with master function
−
Cascade master
−
Heat generation master
−
Consumer master in the respective segment
2...16 Slave
(LPB)
−
Controllers with slave function
−
Other heat generation controller
−
Heating circuit controller
−
D.h.w. controller
The device addresses should be assigned in consecutive order in accordance with the
controllers connected. It is not permitted to assign an address several times within a
bus segment, since this would lead to communication errors. Each segment must have
a device as a master (address 1).
For more detailed information about the addressing of devices in a system, refer to
”Local Process Bus (LPB), Basic Documentation, System Engineering” (document no.
CE1P2370E).
Benefit
Description
Description
Setting
Effect
Device address
Note
