Parameter tables, 7 vcm bacnet parameters, Pt-link ii bacnet3 interface – Orion System PT-Link II BACnet3 User Manual
Page 59: Bacnet properties for the vcm controller
PT-Link II BACnet3 Interface
7. PARAMETER TABLES
59
7.7 VCM BACnet Parameters
BACnet Properties for the VCM Controller
Parameter
Name
Object
Description
Limits
Bypass
Damper
Position
ByPasDmp
AI: 153
Current position
of the bypass
damper signal.
Return
Damper
Position
RaDmp
AI: 154
Current position
of the return
damper signal.
Outdoor Air
Dewpoint
OaDwpt
AI: 47
Current calcu-
lated outdoor air
dewpoint added
on version 1.09.
Current
Supply Air
Setpoint
SaTpStM
AI: 82
Current SAT
Cooling or Heat-
ing setpoint if
there is no reset
source; Current
calculated SAT
setpoint with
Reset Source.
Coil
Temperature
CoilTp
AI: 181
Current coil
temperature
reading added on
version 1.09.
Preheater
Setpoint
PreHtSp
AV: 196
Low Outside Air
Ambient
Protection
Setpoint
0
100
CO
2
Setpoint
CO2St
AV: 149
When the CO
2
level rises
above the CO
2
Protection Limit
Max Level, the
Economizer’s
Minimum Posi-
tion will begin
to reset open
proportion-
ally between the
CO
2
Protection
Limit Max Level
Setpoint and
the Reset Range
Setpoint.
0
3000
Static
Pressure
Setpoint
DuctPrSt
AV: 152
This is the target
duct pressure to
be maintained by
the VFD blower
signal.
0.01
3
Minimum
Outside Air
Setpoint
MinEcoSt
AV: 151
This is the
minimum
position of the
economizer in
the occupied
modes.
1
100
BACnet Properties for the VCM Controller
Parameter
Name
Object
Description
Limits
Occupied/
Mode
Enable
Cooling
Setpoint
OcpClSt
AV: 42
If the control
temperature rises
one degree above
this setpoint,
the control will
activate the
cooling demand.
If the control
temperature is
the Supply Air
Sensor, then the
cooling demand
is always active.
0
99
Occupied/
Mode
Enable
Heating
Setpoint
OcpHtSt
AV: 43
If the control
temperature
drops one degree
below
this setpoint,
the control will
activate the
heating demand.
If the
control
temperature
is the Supply
Air Sensor, then
there is no heat-
ing demand.
0
99
Outdoor Air
Sensor Offset
OaTpOst
AV: 53
If the Outdoor
Temperature
Sensor is reading
incorrectly, you
can use this op-
tion to
enter an offset
temperature to
adjust the Sen-
sor’s Tempera-
ture.
-100
100
Relief
Pressure
Setpoint
RfPrSt
AV: 118
This is the target
building pressure
to be maintained
by the VFD
Relief signal.
-0.2
0.2
Return Air
Sensor Offset
RaTpOst
AV: 65
If the Return
Temperature
Sensor is read-
ing incorrectly,
you can use this
option to enter
an offset tem-
perature to adjust
the Sensor’s
Temperature.
-100
100