Siemens 125-5033 - Manual (Page 31)

Glossary
Siemens Building Technologies, Inc. 23
English units
The foot-pound-second system of units for weights and measurements.
equipment controller
A FLN device which provides additional point capacity to a field panel or provides DDC to
individual room or mechanical equipment control. The FHC is a specialized equipment
controller.
field panel
A device containing a microprocessor for centralized control of system components and
equipment controllers. A field panel samples and processes field data, initiates control
actions, communicates with its operators, and generates reports, displays and warnings.
FLN
Field Level Network (formerly known Floor Level Network).
Fume Hood Controller
Multi-application equipment controller designed to provide Direct Digital Control) for various
types of Variable Air Volume (VAV) fume hoods. The controller consists of a controller board
and a controller enclosure.
intercept
Factor which converts analog values (used by the controller) to a form which the user can
understand (engineering units). Slope and intercept constants are determined by the type of
field input/output represented by the physical or virtual point.
loopout
Output of the control loop expressed as a percentage.
LPS
Liters Per Second.
OCC mode
OCCupied mode.
OFF text
Text indicating the de-energized state of a digital point (for example, OFF, CLOSED, NO).