User Guide

1
Total Room Automation
Terms Used
12
Siemens Desigo TRA User Guide A6V10415564_en_a_21
Building Technologies 2015-06-23
1.2 Terms Used
Term
Description
Lighting One or more luminaires in a room controlled by the local room
operator unit or Management System.
Emergency lighting One or more luminaires in a room that are turned on during an
emergency by the fire department or central function (BACnet
priority 2). Local room operator units are overridden until the
emergency has ended.
Shading General protection against the sun to reduce solar radiation into
the building.
HVAC Controls room climate based on entered operating modes
Protection, Economy, Pre-Comfort or Comfort. The following states
can be defined using an emergency function: Off, purge, negative
or positive pressure.
Blinds Used in the document as the generic term for the following
shading:
 Marquees, awnings
 Interior blinds, roller shutters
 Blinds
 Pleated blinds, vertical blinds
Moving walls Used primarily in meeting and conference rooms to temporarily
divide a large room into smaller partial rooms. An end switch
automatically adapts the TRA application to the new room
conditions. So that HVAC, lighting, and blinds follow the changed
room requirements.
Emergency lights
(Emergency Light)
Safety luminaires that are continuous lit or during a power outage.
Switched on automatically in the event of a fault or by the fire
department or the Management System during an emergency. Has
a separate power supply such as batteries, rechargeable batteries,
or a system connected to uninterrupted power supply (UPS).
Emergency luminaires can also be integrated in normal luminaires
or used as independent emergency luminaires.
Priority Priority refers to BACnet priorities 1 to 16.
Room A room consists of at least one or more neighboring room
segments.
A room consists in the TRA application of a room set to
Used
and
a room segment.
In a room with multiple segments, the unused rooms (software) are
set in the TRA application to
Unused
.
Room segment A room segment represents the smallest, indivisible unit. A room
segment is defined and created one time. Room segments can be
repeatedly compiled into new rooms throughout the building's life
cycle.