Orion System PT-Link II BACnet3 - Manual (Page 58)

Zone
Zone
7. PARAMETER TABLES
PT-Link II BACnet3 Interface 58
BACnet Properties for the VCM Controller
Parameter Name Object Description Limits
Supply Air
Temperature
SaTp AI: 83 Current value of
the supply air
temperature
sensor.
Temperature
Demand
TpDmnd AI: 84 Based on the
comparison
between the
current Control
Temperature and
the Heating or
Cooling Setpoint
Temperatures.
Does not work
for supply air
control.
VFD Blower
Fan
VfdBwPos AI: 88 Current position
of the VFD blow-
er fan signal.
VFD Relief
Fan
VfdExPos AI: 89 Current position
of the VFD relief
fan signal.
Modulating
Gas Valve
Position
MdHt2Pos AI: 38 Current position
of MODGAS II
modulating gas
valve control.
Reheat Value
Position
Rt2Pos AI: 60 Current position
of MHGRV
modulating hot
gas reheat valve
control.
Alarm
Group 1
AlrmGrp1 AI: 104 See page 63.
Alarm
Group 2
AlrmGrp2 AI: 105 See page 63.
Alarm
Group 3
AlrmGrp3 AI: 106 See page 63.
Dewpoint
Setpoint
Mirror
DptStM AI: 110 Mirror of the
DPtSt
“read only.”
Indoor RH
Setpoint
Mirror
InRhStM AI: 114 Mirror of the
InRhSt “read
only.”
Modulating
Cool
Position
MdClPos AI: 115 Current position
of the modulating
cooling signal
(Chilled water or
digital compres-
sor).
Modulating
Heat
Position
MdHtPos AI: 116 Current position
of the modulating
heating signal
(hot water or
SCR heat).
BACnet Properties for the VCM Controller
Parameter Name Object Description Limits
Application
Software
Version
AppVer AI: 99 Current version of the
software in the unit.
Alarm
Status
AlmSts AI: 1 See page
63.
Unit Mode UnitMode AI: 123 See page
63.
Control
Status
CtrlSts AI: 4 Current operational
status.
Control
Temperature
CtrlTp AI: 9 Current value of the
control temperature
sensor.
Occupied/
Mode
Enable
Cooling
Setpoint
Mirror
ClSt AI: 7 Occupied/ Mode
Enable Cooling
Setpoint
Mirror.
Duct Static
Pressure
DuctPr AI: 14 Current value of the
duct static pressure
sensor.
Economizer
Position
EcoPos AI: 16 Current position of the
economizer damper.
External
Relays 1-2
ExRlys12 AI: 111 See page
63.
External
Relays 3-4
ExRlys34 AI: 112 See page
63.
Indoor
Humidity
InRh AI: 67 Current value of the
indoor humidity sensor.
Occupied/
Mode
Enable
Heating
Setpoint
Mirror
HtSt AI: 31 Occupied/ Mode
Enable Heating Setpoint
Mirror.
On Board
Relays
OnRlys AI: 44 See page
63.
Outdoor Air
Humidity
OaRh AI: 52 Current value of the
outdoor humidity
sensor.
Outdoor Air
Temperature
OaTp AI: 54 Current value of the
outdoor temperature
sensor.
Outdoor Air
Wetbulb
OaWtbl AI: 55 Current calculated value
of the outdoor wetbulb
temperature.
Relief
Pressure
RfPr AI: 62 Current value of the
building pressure
sensor.
Return Air
CO
2
Level
CO2Level AI: 150 Current value of the
CO
2
sensor.
Return Air
Temperature
RaTp AI: 64 Current value of the
return temperature
sensor.
Space
Temperature
SpcTp AI: 72 Current value of the
space temperature
sensor.
7.7 VCM BACnet Parameters