Siemens BACnet ATEC 125-5050 - Manual (Page 33)

Glossary
33
Siemens Industry, Inc. BACnet ATEC Owner's Manaul
125-5050, Rev. AA 4/20/2010
field panel
A device containing a microprocessor for centralized control of system components
and equipment controllers.
FLN
Field Level Network. Network consisting of equipment controllers, FLN end devices,
fume hoods, etc.
lps
Liters per Second.
loopout
Output of the control loop expressed as a percentage.
HMI
Human Machine Interface. Terminal and its interface program that allows you to
communicate with a field panel or equipment controller.
override switch
Button on a room temperature sensor that an occupant can press to change the status
of a room from unoccupied to occupied (or from night to day) for a predetermined time.
pressure independent
Variable Air Volume (VAV) room temperature control system in which the temperature
drives an airflow setpoint.
PID
Proportional, Integral, Derivative.
RTS
Room Temperature Sensor.
setpoint
Virtual point that stores a point value such as a temperature setting. Points that monitor
inputs, such as temperature, report actual values.
SI units
Systeme International d'Unites. The international metric system.