Operating Instructions

Siemens Building Technologies, Inc. Glossary-1
Glossary
Overview
The glossary contains terms and acronyms that are used in this manual. For definitions of
point database descriptors, refer to
Chapter 4, Point Database,
in this manual. For definitions
of commonly used terms as well as acronyms and abbreviations associated with the
APOGEE, refer to the
Siemens Building Technologies Technical Glossary of Building
Controls Terminology and Acronyms
(125-2185). This book is available from your local
Siemens Building Technologies, Inc. representative.
AI
Analog Input. An AI point is a physical point that accepts a continuous variable signal.
AO
Analog Output. An AO point is a physical point that generates a continuous variable signal.
AO-E Module
Analog Output Electronic Module. The AO-E module is used to interface between the LRC
output and the high speed electronic damper actuator.
AO-P Module
Analog Output-Pneumatic Module. The electro-pneumatic interface between the LRC and the
pneumatic damper actuator.
AO-P Transducer
Analog Output-Pneumatic Transducer. A non-bleed device that receives an electronic signal
and converts it into a pneumatic signal.
centralized control
The type of control offered by a controller that is connected, by means of a Floor Level
Network (FLN), with a System 600 APOGEE field panel.