AAON VCCX2 User Manual

72VCCX2 Controller Technical Guide
APPENDIX C: BACNET GUIDE
Analog Inputs
VCCX2 ANALOG INPUTS
Parameter Object Description Limits
Application Software Version AI: 1 Current version of the software in the unit
Control Mode AI: 2 Congured unit application See Control Mode on page 90.
Control Status AI: 3 Current Occupied/Unoccupied Status See Control Status on page 90.
HVAC Mode AI: 4 Current operational status See HVAC Mode on page 90.
Control Temperature AI: 5 Current value of the Control Temperature Sensor
Mode Cooling Setpoint AI: 6 Cooling Mode Enable Setpoint Mirror (adjusted by the
Space Sensor Slide adjustment and/or Night Setback
o󰀨sets)
Mode Heating Setpoint AI: 7 Heating Mode Enable Setpoint Mirror (adjusted by the
Space Sensor Slide adjustment and/or Night Setback
o󰀨sets)
Sensor Slide Adjust E󰀨ect AI: 8 Amount of Current Sensor Slide Adjust
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
Controlling Coil Temp Setpoint AI: 11 This is the current calculated Coil Suction Temperature
target during Dehumidi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 Air Temperature Sensor
Outdoor Air Humidity AI: 17 Current value of the Outdoor Humidity Sensor
Outdoor Air Wetbulb AI: 18 Current calculated Outdoor Wetbulb Temperature
Outdoor Air Dewpoint AI: 19 Current Calculated Outdoor Air Dewpoint Temperature
Supply Air 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 Airow AI: 25 Current Outdoor Airow Measurement
Supply Airow AI: 26 Current Supply Airow Measurement
Return Airow AI: 27 Current Return Airow Measurement
Exhaust Airow AI: 28 Current Exhaust Airow Measurement
Carbon Dioxide AI: 29 Current Indoor CO2 Level
Desired Economizer Position AI: 30 Current Modulating Signal to the Economizer Damper
Economizer Feedback
Position
AI: 31 Title 24 current position of feedback from Economizer
actuator
Return Damper Position AI: 32 Current Signal to the Return Air Damper if using Return Air
Bypass
Return Bypass Position 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 Chilled Water Signal
Modulating Heat Position AI: 35 Current percentage of the Modulating Heating signal (Hot
Water or SCR heat)
Objects labeled AI are read-only.

AAON VCCX2 Specifications

General

Brand	AAON
Model	VCCX2
Category	Controller
Language	English