Parameter tables, 1 vcb-x bacnet parameters, Pt-link ii bacnet3 interface 38 – Orion System PT-Link II BACnet3 User Manual
Page 38: Zone

Zone
Zone
7. PARAMETER TABLES
PT-Link II BACnet3 Interface
38
7.1 VCB-X BACnet Parameters
BACnet Properties for the VCB-X Controller
Param-
eter
Name
Object
Description
Limits
Minimum
Desired
Outdoor
Air CFM
OACfmMin
AV:291
Minimum Out-
door Airfl ow
CFM Setpoint
.10K
200K
Missing
Outdoor
Air CFM
Sensor
OaCfmAlm
BI: 370
Indicates
Outdoor Air
CFM Sensor is
not detected.
Outdoor
Humidity
OaRh
AI:52
Current value
of the Outdoor
Humidity
Sensor.
Outdoor
Air
Dewpoint
OaDewPt
AI: 332
Current calcu-
lated Outdoor
Air Dewpoint.
Outdoor
Air Tem-
perature
OaTp
AI: 54
Current value
of the
outdoor
temperature
sensor.
Outdoor
Air
Tempera-
ture Offset
OaTpOst
AV: 53
If the Outdoor
Temperature
Sensor is reading
incorrectly, use
this to enter an
offset to adjust
the Sensor’s
Temperature.
-100
100
Minimum
Outside
Air CFM
Deadband
OacfmDb
AV: 359
The Deadband
is used both
above and below
the Outdoor Air
CFM setpoint
to help prevent
hunting.
10
1000
Outdoor
Air Tem-
perature
Sensor
Lost
OaTpAlm
BI: 117
Indicates a
failure of the
Outdoor Air
Temperature
Sensor.
Outdoor
Wetbulb
OaWtbl
AI: 55
Current calcu-
lated value of the
outdoor wetbulb
temperature.
Preheat
Relay
Setpoint
PreHtAmb
AV:286
If the Supply Fan
is energized this
is the tempera-
ture at which the
Preheat Relay
will activate.
Operates only
in the Occupied
Mode.
-30
70
Proof
of Flow
Alarm
PofAlm
BI: 26
Indicates no
Proof of Water
Flow.
BACnet Properties for the VCB-X Controller
Param-
eter
Name
Object
Description
Limits
Reheat
Enabled
RehtEnbl
BI: 363
Modulating
Hotgas Reheat
Enabled.
Reheat
Valve
Position
RtVlvPos
AI:277
Current position
of MHGRV
modulating hot
gas reheat valve.
Missing
Reheat
Module
MisMH-
GRV
BI: 374
Indicates that the
MHGRV Module
is not
communicating
with the VCB-X
Controller.
Return Air
CFM
RaCFM
AI:275
Current Return
Airfl ow
Measurement.
Missing
Return
Air CFM
Sensor
RaCfmSr
BI: 373
Indicates
that the Return
Air CFM Sensor
is not detected.
Return Air
Damper
Position
RaDmp
AI: 336
Current Return
Air Damper
position.
Return Air
Humidity
RaRH
AI: 337
Current value of
the Return Air
Humidity Sensor.
Return Air
Tempera-
ture
RaTp
AI: 64
Current value of
the return tem-
perature sensor.
Return Air
Tempera-
ture Sensor
Offset
RaTpOst
AV: 65
If the Return
Temperature
Sensor is reading
incorrectly, use
this to enter an
offset to adjust
the Sensor’s
Temperature.
-100
100
Bad Return
Air Sensor
RaTpAlm
BI: 365
Indicates a failure
of the Return Air
Sensor.
Return
Bypass
Damper
Position
RetBydmp
AI: 335
Current Return
Bypass Damper
position.
Schedule
Force
SchdFrc
AV: 66
0 = Auto (uses
controller’s
schedule)
1 = Forced
Occupied
2 = Forced
Unoccupied
0
2
Current
Slide
Adjust
Offset
SldAdOfs
AI: 338
Current Slide
Adjust Offset
value.