Carrier OPN-RTUM2, Integration Manual, Page: 40 / 61

Appendix A: Network Points List for RTU Open
RTU Open v3 Carrier Proprietary and Confidential CARRIER CORPORATION ©2016
Integration Guide All rights reserved
36
BACnet Modbus
Point Name Point
Access
Units Default
Value
BACnet Point Name BACnet Object
ID
Modbus Register Type Modbus
Register #
13=IGC Override
Supply Air
Temperature
R °F sa_temp AV:1008 Input Register (Float) 109
DCV Max Ctrl
Setpoint
R/W ppm 650 iaq_stpt_max AV:3013
Holding Register
(Float)
45
Occ Relative
Humidity Setpoint R/W
%rh 60 occ_dehum_stpt AV:3011
Holding Register
(Float)
83
Occupancy Status R
0=Unoccupied
1=Occupied
occ_status BV:2008 Discrete Input 18
Optimal Start
Type
R/W
1=None
2=Temp
Compensated
3=Learning
Adaptive
2 start_type MSV:2009
Holding Register
(Signed)
154
Setpoint R/W °F unocc_ht_stpt AV:3004
Holding Register
(Float)
17
Economizer Test R/W %Open 0 econ_test AV:81001
Space Relative
Humidity Sensor
R
0=Normal
1=Alarm
sprh_sensor_fail BV:7022 Discrete Input 45
Setpoint
Adjustment
R °F stpt_adj AV:1006 Input Register (Float) 99
Effective Heat
Setpoint
R °F eff_ht_stpt AV:3006 Input Register (Float) 57
Low Fan Econ Min
Pos
R/W %Open 33 econ_min_2 AV:9030
Holding Register
(Float)
89
Fire / Smoke
Shutdown
R
0=Normal
1=Alarm
fire_alarm BV:7007 Discrete Input 32
Reset Filter Alarm R/W
0=Off
1=On
Inactive (0) filter_rntm_clr BV:7517 Coil 22
Setpoint R/W °F unocc_cl_stpt AV:3003
Holding Register
(Float)
15
ZS Sensor
Configuration
R
0=Normal
1=Alarm
zs_config_fail BV:7055 Discrete Input 63
Space Relative
Humidity
R %rh space_rh AV:1011 Input Register (Float) 103
Outdoor Air
Temperature
R °F oa_temp AV:1003 Input Register (Float) 87
Cooling Lockout
Temperature
R/W °F 45 oat_cl_lockout AV:9002
Holding Register
(Float)
43
Power Exhaust
Setpoint
R/W %Open 50 pexh_stpt AV:3010
Holding Register
(Float)
97
BAS On / Off R/W
1=Inactive
2=Occupied
3=Unoccupied
1 keypad_ovrde MSV:1001
Holding Register
(Signed)
133
System Space AQ R/W ppm -999 system_iaq AV:1903
Holding Register
(Float)
149
System Space RH R/W % -999 system_rh AV:1904
Holding Register
(Float)
151
Compressor
Status
R
0=Normal
1=Alarm
comp_alarm BV:7013 Discrete Input 30
Filter Service
Alarm Timer
R/W hr 600 filter_service_hrs AV:2019
Holding Register
(Float)
67
Indoor Air Quality
Sensor
R
0=Normal
1=Alarm
iaq_sensor_fail BV:7039 Discrete Input 37
Heating Lockout
Temperature
R/W °F 65 oat_ht_lockout AV:9003
Holding Register
(Float)
69
Dehumidification R 0=Inactive dehum BV:2006 Discrete Input 9