Orion System VCC-X Controller - Manual (Page 97)

VCC-X Controller Technical Guide
APPENDIX D - VCC-X BACnet ®
97
VCC-X BACnet ® Parameters
BACnet ® Properties for the VCC-X Controller
Parameter Object Description Limits
Application
Software
Version
AI: 1 Current version of the
software in the unit.
Control Mode AI:2 Confi gured unit application. See Control
Mode Bits on
page 107.
Control Status AI: 3 Current Occupied/
Unoccupied Status.
See Control
Status Bits on
page 107.
HVAC Mode AI: 4 Current operational status. See HVAC
Mode Bits on
page 107.
Control
Temperature
AI: 5 Current value of the Control
Temperature Sensor.
Cooling
Setpoint
AI: 6 Occupied Cooling Mode
Enable Setpoint Mirror.
Heating
Setpoint
AI: 7 Occupied Heating Mode
Enable Setpoint Mirror.
Sensor Slide
Adjust Effect
AI: 8 Amount Of Current Sensor
Slide Offset
Supply Air
Temperature
AI: 9 Current value of the
Supply Air
Temperature sensor
Supply Air
Setpoint
AI: 10 Current SAT Cooling or
Heating Setpoint if there is
no reset source; Current
calculated SAT setpoint
with Reset Source
Coil
Temperature
Setpoint
AI: 11 This is the current
calculated Coil Suction
Temperature target during
Dehumidifi cation Mode.
Space
Temperature
AI: 12 Current value of the Space
Temperature Sensor.
Space
Humidity
AI: 13 Current value of the Space
Humidity.
Return Air
Temperature
AI: 14 Current value of the Return
Temperature Sensor.
Return Air
Humidity
AI: 15 Current value of the Return
Air Humidity.
Outdoor Air
Temperature
AI: 16 Current value of the
Outdoor
Temperature Sensor.
Outdoor Air
Humidity
AI:17 Current value of the
Outdoor Humidity Sensor.
Outdoor Air
Wetbulb
Temperature
AI:18 Current calculated Outdoor
Wetbulb Temperature.
BACnet ® Properties for the VCC-X Controller
Parameter Object Description Limits
Outdoor Air
Dewpoint
Temperature
AI:19 Current Calculated Outdoor
Air Dewpoint Temperature.
SAT Setpoint
Reset Voltage
AI:20 Supply Air Temp Setpoint
Reset Input Signal
Duct Static
Pressure
AI: 21 Current Duct Static
Pressure
Duct Static
Control Signal
AI: 22 Current Duct Static Control
Signal (Fan VFD)
Building
Pressure
AI: 23 Current value of the
Building Pressure Sensor.
Building
Pressure
Control Signal
AI:24 Current Building Pressure
Control Signal
Outdoor
Airfl ow
AI: 25 Current Outdoor Airfl ow
Measurement.
Supply
Airfl ow
AI: 26 Current Supply Airfl ow
Measurement.
Return
Airfl ow
AI: 27 Current Return Airfl ow
Measurement.
Exhaust
Airfl ow
AI: 28 Current Exhaust
Airfl ow Measurement
CO
2
AI: 29 Current Indoor
CO
2
Level.
Economizer
Position
AI: 30 Current Modulating Signal
to the Economizer Damper.
Title 24
Economizer
Feedback
AI: 31 Current position of feedback
from Economizer actuator.
Return Air
Damper
AI: 32 Current Signal to the Return
Air Damper if using Return
Air Bypass.
Return Bypass
Damper
AI: 33 Current Signal to the Return
Air Bypass Damper if using
Return Air Bypass.
Modulating
Cooling
Position
AI: 34 Current percentage of the
Modulating Cooling Signal
(Chilled Water or Digital
Compressor).
Modulating
Heating
Position
AI: 35 Current percentage of the
Modulating Heating signal
(Hot Water or SCR heat).
Reheat Valve
Position
AI: 36 Current position of
MHGRV Modulating Hot
Gas Reheat Valve.
Modulating
Gas Valve
Position
AI: 37 Current position of
MODGAS Modulating Gas
Valve Control.
Compressor
A1 Signal
AI:38 Compressor A1 Modulating
Cooling Signal
Compressor
A1 Condenser
AI:39 Current percentage of the
A1 Condenser Signal
NOTE: When using Celsius scaling, all temperature values will
need to be divided by 10 by the BMS to properly read
the status and setpoint values, e.g., a value of 200º C
needs to be divided by 10 for an actual value of 20º C.