Appendix d - vcb-x bacnet parameters, Pt-link ii interface pt-link ii bacnet, Technical guide 37 – Orion System PT-Link II BACnet2 User Manual
Page 37

PT-Link II Interface
PT-Link II BACnet
®
Technical Guide
37
Appendix D - VCB-X BACnet Parameters
BACnet Properties for the VCB-X Controller
Parameter
Name
Object
Description
Limits
Static
Pressure
Setpoint
StatPrSt
AV:290
Current Static
Pressure
Setpoint.
.10
3.0
Supply Air
CFM
SaCFM
AI:195
Current Supply
Airfl ow
Measurement.
Supply Air
Cooling
Setpoint
SaClSt
AV:77
Supply Air
Setpoint in
Cooling Mode.
30
80
Supply Air
Cool High
Reset
SaClRt
AV: 324
High Supply
Air Cooling
Reset Limit
40
150
Supply Air
Heat High
Reset
SaHtRt
AV: 325
High Supply
Air Heating
Reset Limit
40
150
Supply Air
Heating
Setpoint
SaHtSt
AV:78
Supply Air
Setpoint in
Heating Mode.
40
240
Supply Air
Temperature
SaTp
AI:83
Current value
of the
supply air
temperature
sensor.
Supply Air
Temperature
Offset
SaTpOst
AV:80
If the Supply
Air
Temperature
Sensor is read-
ing incorrectly,
you can use this
option to enter
an offset
temperature to
adjust the
Sensor’s
Temperature.
-100
100
Current
Supply Air
Temperature
Setpoint
SaTpStM
AI: 82
Current SAT
Cooling or
Heating
setpoint if there
is no reset
source;
Current
calculated SAT
setpoint with
Reset Source.
BACnet Properties for the VCB-X Controller
Parameter
Name
Object
Description
Limits
Unoccupied
Cooling
Offset
UnClOst
AV:124
During the
Unoccupied
Mode of
Operation, this
Setpoint offsets
the
Occupied Cool-
ing Setpoint
out by this
user adjust-
able amount.
If you do not
want Cooling to
operate during
the Unoccupied
Mode, use the
default setting
of 30°F for this
setpoint.
0
30
Unoccupied
Heating Offset
UnHtOst
AV:125
During the
Unoccupied
Mode of
Operation, this
Setpoint offsets
the
Occupied
Heating
Setpoint out by
this user adjust-
able amount.
If you do not
want Heating to
operate during
the Unoccupied
Mode, use the
default setting
of 30°F for this
setpoint.
0
30
VFD
Position
VfdBwPos
AI:88
Current
position of the
VFD blower
fan signal.
Remote VFD
Position
Setpoint
FrcFanSp
AV: 266
Override to
force the VFD
to this percent-
age speed.
Confi guring
“Auto” will
restore normal
unit control of
the VFD speed.
0%
100%
Auto=65535
OnBoard
Relay
Status
OnRlys
AI:44
See page 39.
On Board
Relay 1
OnRly1
BI: 127
Current status
of VCB-X
Main Board
relay 1.
Revised 4/3/12