Orion System PT-Link II LON - Manual (Page 53)

PT-Link II Interface
PT-Link II LON ® Technical Guide
53
Appendix G - VCM LON Parameters
SNVTs for the VCM Controller
Binary Output SNVTs are SNVT_lev_disc
All other SNVTs are SNVT_count_inc_f
Parameter Name Object Description Limits
Application
Software
Version
AppVer Analog
Output
Current version of the
software in the unit.
Alarm
Status
AlrmSts Analog
Output
See
page
58.
Unit Mode UnitMode Analog
Output
See
page
58.
Control
Status
CtrlSts Analog
Output
Current operational
status.
Control
Temperature
CtrlTp Analog
Output
Current value of the con-
trol temperature sensor.
Occupied/
Mode
Enable
Cooling
Setpoint
Mirror
ClSt Analog
Output
Occupied/ Mode
Enable Cooling Setpoint
Mirror.
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.
External
Relays 1-2
ExRlys12 Analog
Output
See
page
58.
External
Relays 3-4
ExRlys34 Analog
Output
See
page
58.
Indoor
Humidity
InRh Analog
Output
Current value of the
indoor humidity sensor.
Occupied/
Mode
Enable
Heating
Setpoint
Mirror
HtSt Analog
Output
Occupied/ Mode
Enable Heating Setpoint
Mirror.
On Board
Relay
OnRlys Analog
Output
See
page
58.
Outdoor Air
Humidity
OaRh Analog
Output
Current value of the out-
door humidity sensor.
Outdoor Air
Temperature
OaTp Analog
Output
Current value of the out-
door temperature sensor.
Outdoor Air
Wetbulb
OaWtbl Analog
Output
Current calculated value
of the outdoor wetbulb
temperature.
Relief
Pressure
RfPr Analog
Output
Current value of the
building pressure sensor.
Return Air
CO
2
Level
CO2Level Analog
Output
Current value of the CO
2
sensor.
Return Air
Temperature
RaTp Analog
Output
Current value of the re-
turn temperature sensor.
SNVTs for the VCM Controller
Binary Output SNVTs are SNVT_lev_disc
All other SNVTs are SNVT_count_inc_f
Parameter Name Object Description Limits
Space
Temperature
SpcTp Analog
Output
Current value of
the space tempera-
ture sensor.
Supply Air
Temperature
SaTp Analog
Output
Current value of
the supply air
temperature sensor.
Temperature
Demand
TpDmnd Analog
Output
Based on the com-
parison between
the current Control
Temperature and
the Heating or
Cooling Setpoint
Temperatures.
Does not work for
supply air control.
VFD
Blower Fan
VfdBwPos Analog
Output
Current position
of the VFD blower
fan signal.
VFD Relief
Fan
VfdExPos Analog
Output
Current position of
the VFD relief
fan signal.
Modulating
Gas Valve
Position
MdHt2Pos 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.
Alarm
Group 1
AlrmGrp1 Analog
Output
See page
58.
Alarm
Group 2
AlrmGrp2 Analog
Output
See page
58.
Alarm
Group 3
AlrmGrp3 Analog
Output
See page
58.
Dewpoint
Setpoint
Mirror
DptStM Analog
Output
Mirror of the DPtSt
“read only.”
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).
Bypass
Damper
Position
ByPasDmp Analog
Output
Current position of
the bypass damper
signal.