Data Exchange In Lte-Mode - Siemens RXB Series Basic Documentation

Example
Plant
Air supply
range
Poss. air
shutoff dampers
Central air
treatment
Hot water
precontrol
Hot water
production
Data exchange
LTE-Mode
78 / 88
Siemens
Building Technologies
T
Room unit
(in reference room)
Chilled water
precontrol
p
Chilled water
production
9.5.1

Data exchange in LTE-Mode

The control chains and circuits in an HVAC plant consist of data points. The data
points or their process values are programmed in function blocks to create the
technical functions in the HVAC process.
To exchange process values between the Synco devices within a zone, it is
sufficient simply to allocate a common zone address to those devices.
In LTE-Mode (LTE = Logical Tag Extended), the communication bindings between
data points are created by means of logical tags. This is the equivalent of the zone
addresses in Synco.
LTE-Mode does not require time-consuming engineering to create the
communication bindings to exchange process values.
KNX bus communications
Appendix
Operator
intervention
°C
Cmf
HMI
HMI
Coordinator
Hot water precontrol
Hot water
precontrol
HMI HMI
Coordinator
Hot water production
Dispatcher
Hot water production
Hot water
production
HMI HMI
Functional units
User
requisition
Reference room
control ventilation
Reference room
control ventilation
Air treatment
(supply air control)
Coordinator
Chilled water precontrol
Chilled water
precontrol
Coordinator
Chilled water production
Dispatcher
Chilled water production
Chilled water
production
3127Z41en
For internal use only
CE1P3127en
2013-04-08