User Guide

9
Appendix
Lighting Control
80
Siemens Desigo TRA User Guide A6V10415564_en_a_21
Building Technologies 2015-06-23
Gray:
Entire building
Green/yellow:
Rooms for a renter, for
example, one floor.
Orange:
Local manual operation
The control concept is oriented on the following principles:
Distribute into independent functions that determine a lighting command.
Prioritization of individual functions.
Evaluation of all functions and decides, based on the priorities, which state the
lighting assumes.
9.2.1 Operation
Circumstances by Outside Influences
Symbol
Operating
mode
BACnet-
Priority
Description
Scheduler 13
Schedulers normally write at priority 13 and
can be overridden locally.
8 For specific applications (for example, room
cleaning), a local operation can be overridden
at priority 8.
Scenes 7 Light switch that cannot be overridden by the
Management Station must be programmed at
priority 7 (for example, screening room).
13 Light switches that can be overridden locally.
Presence
detector
(occupied)
13 Presence detectors always report/switch at
priority 13; depending on the type, it is
switched either immediately or dependent on
the illuminance.
Presence
detector
(not occupied)
13 Presence detector always reports/switches at
priority 13.
Operation 13 Equal switching state as the local light switch.
System operation with manual and automatic
state.
Advanced
operation
8 Overrides the local setting until the switching
state is once again reset to automatic.
Central
functions
8 Equal switching state at priority 8 as by the
Management System.
13 Equal switching state at priority 13 as by the
Management System.