Orion System PT-Link II LON - Manual (Page 43)

PT-Link II Interface
PT-Link II LON ® Technical Guide
43
Appendix E - VCM-X LON Parameters
SNVTs for the VCM-X Controller
Binary Output SNVTs are SNVT_lev_disc
utput
all other SNVTs are SNVT_count_inc_f
Parameter Name Object Description Limits
Alarm
Status
AlrmSts Analog
Output
See page 48.
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.
On Board
Relays
OnRlys Analog
Output
See page 48.
Outdoor Air
Dewpoint
OaDwpt Analog
Output
Current calculated
outdoor air
dewpoint added on
version 1.09.
Outdoor Air
Humidity
OaRh Analog
Output
Current value of the
outdoor humidity
sensor.
Outdoor Air
Temperature
OaTp Analog
Output
Current value of the
outdoor tempera-
ture sensor.
Outdoor Air
Wetbulb
OaWtbl Analog
Output
Current calculated
value of the out-
door wetbulb
temperature.
Reheat
Value
Position
Rt2Pos Analog
Output
Current position of
MHGRV modulat-
ing hot gas reheat
valve control.
Relief
Pressure
RfPr Analog
Output
Current value of the
building pressure
sensor.
Return Air
Temperature
RaTp Analog
Output
Current value of the
return temperature
sensor.
SNVTs for the VCM-X Controller
Binary Output SNVTs are SNVT_lev_disc
utput
all other SNVTs are SNVT_count_inc_f
Parameter Name Object Description Limits
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 Setpoint
Temperatures. Does
not work for supply
air control
VFD
Blower Fan
VfdBw-
Pos
Analog
Output
Current position of
the VFD blower fan
signal.
VFD
Relief Fan
VfdExPos Analog
Output
Current position of
the VFD relief
fan signal.
Application
Software
Version
AppVer Analog
Output
Current version of
the software in the
unit.
Alarm
Group 1
AlrmGrp1 Analog
Output
See page 48.
Alarm
Group 2
AlrmGrp2 Analog
Output
See page 48.
Alarm
Group 3
AlrmGrp3 Analog
Output
See page 48.
Dewpoint
Setpoint
Mirror
DptStM Analog
Output
Mirror of the DPtSt
“read only.”
External
Relays 1-2
ExRlys12 Analog
Output
See page 48.
External
Relays 3-4
ExRlys34 Analog
Output
See page 48.
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).