Honeywell 301C User Manual page 80

IAQPoint2 continued
Group Property
object_identifier
object_type
event_state
object_name
out_of_service
present_value
reliability
status_flags
in_alarm
fault
overridden
out_of_service boolean
units
object_identifier
object_type
event_state
object_name
out_of_service
present_value
reliability
status_flags
in_alarm
fault
overridden
out_of_service boolean
units
Notes
1 -- 'R' indicates that this property is required by ASHRAE Standard 135
'O' indicates that the property is optional in ASHRAE Standard 135
2 -- 'C' indicates the property is hard-coded as a constant
'N' indicates the property is stored in non-volatile memory
'R' indicate the property is computed constantly and stored in RAM.
Storage
1
Data Type
Required
R
enumerated R
enumerated R
character string R
boolean R
real R
enumerated O
boolean R
boolean R
boolean R
R
enumerated R
R
enumerated R
enumerated R
character string R
boolean R
real R
enumerated O
boolean R
boolean R
boolean R
R
enumerated R
BACnet
2
Writeable?
Type
Modbus address * 256 + 4. For example an
N N IAQPoint2 at Modbus address 005 will
appear as 1284 or 0x0504.
C N analog_value (2)
C N normal (0)
IAQPoint CO2 AdXXX .Bmin" where XXX is
N N
the Modbus address.
C N FALSE
Gas threshold. This is copied from the
sensor via the 301C. BACnet permits
N Y
writing. But this has no effect and the
value reverts in a few seconds.
C N no_fault_detected (0)
C N always false (0)
C N always false (0)
C N always false (0)
C N always false (0)
if CO2 fitted, ppm (96)
C N
if VOC fitted, %
Modbus address * 256 + 5. For example an
N N IAQPoint2 at Modbus address 005 will
appear as 1285 or 0x0505.
C N analog_value (2)
C N normal (0)
IAQPoint CO2 AdXXX .Bmax" where XXX is
N N
the Modbus address.
C N FALSE
Gas threshold. This is copied from the
sensor via the 301C. BACnet permits
N Y
writing. But this has no effect and the
value reverts in a few seconds.
C N no_fault_detected (0)
C N always false (0)
C N always false (0)
C N always false (0)
C N always false (0)
if CO2 fitted, ppm (96)
C N
if VOC fitted, %
80
Value
(98)
(98)