Orion System PT-Link-LON - Manual (Page 27)

PT-Link Interface
PT-Link-LON ® Technical Guide
27
Appendix E - SA Controller LON Parameters
SNVTs for the SA Controller
Binary Output SNVTs are SNVT_lev_disc
all other SNVTs are SNVT_count_inc_f
Parameter Name Object Description
Control Status CtrlSts Analog
Output
Current operational status.
Occupied/
Mode
Enable
Cooling
Setpoint
Mirror
ClSt Analog
Output
Occupied/ Mode Enable Cooling
Setpoint Mirror.
Control
Temperature
CtrlTp Analog
Output
Current value of the control
temperature sensor.
Duct Static
Pressure
DuctPr Analog
Output
Current value of the duct static
pressure sensor.
Economizer
Position
EcoPos Analog
Output
Current position of the
economizer damper.
Occupied/
Mode
Enable
Heating
Setpoint
Mirror
HtSt Analog
Output
Occupied/ Mode
Enable Heating Setpoint Mirror.
Modulating
Gas Valve
Position
MdHt-
2Pos
Analog
Output
Current position of MODGAS II
modulating gas valve control.
Reheat Value
Position
Rt2Pos Analog
Output
Current position of MHGRV
modulating hot gas reheat
valve control.
Indoor
Humidity
InRh Analog
Output
Current value of the indoor
humidity sensor.
Space
Temperature
SpcTp Analog
Output
Current value of the space
temperature sensor.
Current
Supply Air
Setpoint
SaTpStM Analog
Output
Current SAT Cooling or Heating
setpoint if there is no reset source;
Current calculated SAT setpoint
with Reset Source.
Supply Air
Temperature
SaTp Analog
Output
Current value of the supply air
temperature sensor.
Temperature
Demand
TpDmnd Analog
Output
Based on the comparison between
the current Control Temperature
and the Heating or Cooling Set-
point Temperatures. Does not work
for supply air control.
VFD Blower
Fan
VfdBw-
Pos
Analog
Output
Current position of the VFD
blower fan signal.
Application
Software
Version
AppVer Analog
Output
Current version of the software in
the unit.
Coil
Temperature
Setpoint
CoilTpSt Analog
Output
Current Coil Temperature Setpoint.
Dewpoint
Setpoint
Mirror
DptStM Analog
Output
Mirror of the DPtSt “read only.”
SNVTs for the SA Controller
Binary Output SNVTs are SNVT_lev_disc
all other SNVTs are SNVT_count_inc_f
Parameter Name Object Description
Indoor RH
Setpoint
Mirror
InRhStM Analog
Output
Mirror of the InRhSt “read only.”
Modulating
Cool
Position
MdClPos Analog
Output
Current position of the modulating
cooling signal (Chilled water or
digital compressor).
Modulating
Heat
Position
MdHtPos Analog
Output
Current position of the modulating
heating signal (hot water or SCR
heat).
Unit Mode UnitMode Analog
Output
Needed only in legacy application.
Coil
Temperature
CoilTp Analog
Output
Current coil temperature reading
added on version 1.09.
Modulating
Compressor 2
Position
MdCmp2 Analog
Output
Current position of the 2nd Stage
of Compressor Modulation.
Head
Pressure 1
HdPr1 Analog
Output
Head Pressure for 1st unit.
Head
Pressure 2
HdPr2 Analog
Output
Head Pressure for 2nd unit.
Entering Air
Temperature
EaTp Analog
Output
Temperature of the air that is
entering the unit.
Entering
Water
Temperature
EwTp Analog
Output
Temperature of the water that is
entering the unit.
Entering Air
Humidity
EaRh Analog
Output
Relative Humidity
of the Entering Air.
Coil
Temperature 2
CoilTp2 Analog
Output
Current Coil
Temperature for 2nd unit.
Entering Air
Dewpoint
EaDpt Analog
Output
Current Entering Air Dewpoint
Water Side
Economizer
Bypass
WSEByp Analog
Output
Current Water Side Economizer
Bypass Position for 1st unit.
Water Side
Economizer
Bypass 2
WSEByp2 Analog
Output
Current Water Side Economizer
Bypass Position for 2nd unit.
Condenser
Position 1
CdPos1 Analog
Output
Current Condenser Position
for 1st unit.
Condenser
Position 2
CdPos2 Analog
Output
Current Condenser Position
for 2nd unit.