Implement Application Example - Siemens RMB795B Basic Documentation

Meaning of subzone
Meaning of
supplementary labels
Device address
Assign external time
switch to room
controllers
Procedure for planning
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Siemens
Building Technologies
For HVAC applications with RXB room controllers, use only the geographical zone
(apartment) and the geographical zone (room).
Extending the address by the geographical zone (room) results in room control by
means of RXB room controllers. This in turn allows for individual operating
interventions (from an operator unit and the control unit via the bus) such as room
setpoint correction in any room or on any device.
For additional division of the geographical zone (room), the RXB room controller
offers the geographical zone (subzone).
This subzone is meaningful in lighting installations, e.g. if a geographical zone
(room) must be subdivided into two subzones "lighting along window" and "lighting
along hallway".
For HVAC applications, keep the subzone at = 1.
The supplementary labels "(apartment)", "(room)" and "(subzone)" are predefined
by KNX. However, apartment does necessarily denote an actual apartment.
Each KNX member requires an individual device address, entered in the floor plan
above with D:11x.
The device addresses in our example were assigned based on the bus topology.
On the RXB room controller, the setting "Time switch slave (apartment)" must be
set to the same apartment number as the room group where the room controller is
located. Room and subzone are not relevant and set to 1 (see completed
engineering and commissioning protocol for the plant Sport Ltd in Sec. 3.3

Implement application example.

3.3 Implement application example
Using the "C3127_Planning and Commissioning Report, Communication Synco
700" , the plant and the required communication settings can be represented in an
easy-to-understand way.
Proceed as follows:
1. Enter general information, such as: Plant name, device names, device types,
applications, etc.
2. Copy the device addresses for the bus members along with the basic settings
for communication from the building floor plan.
3. Enter the geographical zone addresses as per the defined groups.
Central control unit RMB795B
Room group philosophy
CE1P3122en
18.01.2012