Glossary
The glossary contains terms and acronyms that are used in this manual. For definitions of
point database descriptors, see Chapter 3 - Point Database in this manual. For definitions of
commonly used terms, as well as acronyms and abbreviations associated with the APOGEE
Automation System, see the Siemens Building Technologies Technical Glossary of Building
Controls Terminology and Acronyms, (125-2185). This book is available from your local
Siemens Building Technologies representative.
ACPH
Air Changes Per Hour.
algorithm
Mathematical formula used to calculate an output value using varying inputs.
anteroom
Small room leading from a corridor into an isolation room. This room can act as an airlock,
preventing the escape of contaminants from the isolation room into the corridor.
AO
Analog Output. A physical point which generates a continuous variable signal.
AWG
American Wire Gauge.
CDC
Center of Disease Control.
centralized control
Type of control offered by a controller that is connected, by means of a Local Area Network
(LAN), with an APOGEE field panel.
CFM
Cubic Feet per Minute.
Siemens Building Technologies, Inc. 35
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