Orion System PT-Link II BACnet2 - Manual (Page 42)

PT-Link II BACnet ® Technical Guide
PT-Link II Interface 42
Appendix F - VCM-X BACnet Parameters
BACnet Properties for the VCM-X Controller
Parameter Name Object Description Limits
Alarm
Status
AlmSts AI: 1 See Alarm
Group Bits on
page 47.
Control
Status
CtrlSts AI: 4 Current operational
status.
Occupied/
Mode
Enable
Cooling
Setpoint
Mirror
ClSt AI: 7 Occupied/ Mode
Enable Cooling
Setpoint Mirror.
Control
Temperature
CtrlTp AI: 9 Current value of the
control temperature
sensor.
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.
Occupied/
Mode
Enable
Heating
Setpoint
Mirror
HtSt AI: 31 Occupied/ Mode
Enable Heating
Setpoint
Mirror.
Modulating
Gas Valve
Position
MdHt-
2Pos
AI: 38 Current position
of MODGAS II
modulating gas
valve control.
On Board
Relays
OnRlys AI: 44 See page 47.
Outdoor Air
Dewpoint
OaDwpt AI: 47 Current calculated
outdoor air
dewpoint added on
version 1.09.
Outdoor Air
Humidity
OaRh AI: 52 Current value of the
outdoor humidity
sensor.
Outdoor Air
Temperature
OaTp AI: 54 Current value of the
outdoor tempera-
ture sensor.
Outdoor Air
Wetbulb
OaWtbl AI: 55 Current calculated
value of the outdoor
wetbulb
temperature.
Reheat
Value
Position
Rt2Pos AI: 60 Current position of
MHGRV modulat-
ing hot gas reheat
valve control.
Relief
Pressure
RfPr AI: 62 Current value of the
building pressure
sensor.
Return Air
Temperature
RaTp AI: 64 Current value of the
return temperature
sensor.
BACnet Properties for the VCM-X Controller
Parameter Name Object Description Limits
Indoor
Humidity
InRh AI: 67 Current value of
the indoor humidity
sensor.
Space
Temperature
SpcTp AI: 72 Current value of the
space temperature
sensor.
Current
Supply Air
Setpoint
SaTpStM AI: 82 Current SAT
Cooling or Heating
setpoint if there
is no reset source;
Current calculated
SAT setpoint with
Reset Source.
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
VfdBw-
Pos
AI: 88 Current position of
the VFD blower fan
signal.
VFD
Relief Fan
VfdExPos AI: 89 Current position of
the VFD relief
fan signal.
Application
Software
Version
AppVer AI: 99 Current version of
the software in the
unit.
Alarm
Group 1
AlrmGrp1 AI: 104 See Alarm
Group Bits on
page 47.
Alarm
Group 2
AlrmGrp2 AI: 105 See Alarm
Group Bits on
page 47.
Alarm
Group 3
AlrmGrp3 AI: 106 See Alarm
Group Bits on
page 47.
Dewpoint
Setpoint
Mirror
DptStM AI: 110 Mirror of the DPtSt
“read only.”
External
Relays 1-2
ExRlys12 AI: 111 See page 47.
External
Relays 3-4
ExRlys34 AI: 112 See page 47.
Indoor Rh
Setpoint
Mirror
InRhStM AI: 114 Mirror of the
InRhSt “read only.”