Appendix A: Network Points List for RTU Open
RTU Open v3 Carrier Proprietary and Confidential CARRIER CORPORATION ©2016
Integration Guide All rights reserved
35
Network points list for BACnet and Modbus
Access
Value
ID
Register #
Stages
R heat_run AV:2003 Input Register (Float) 33
Setpoint
R °F eff_cl_stpt AV:3005 Input Register (Float) 55
Temperature
R
1=Alarm
spt_hi_alarm BV:7011 Discrete Input 35
Temperature
R
1=Alarm
spt_lo_alarm BV:7012 Discrete Input 39
State
R
1=On
sfan BV:2001 Discrete Input 23
Supply Fan Status R
1=On
sfan_status BV:1003 Discrete Input 24
Output
R %Open econ_output AV:2022 Input Register (Float) 51
Quality Sensor
R
1=Alarm
oaq_fail BV:7006 Discrete Input 41
Damper Pos
R/W %Open 50 iaq_dpr_max AV:9011
(Float)
47
Temperature -
Prime Variable
R °F space_temp AV:2007 Input Register (Float) 107
Lockout Temp
R/W °F -3 hp_rev_cycle_lockout AV:9004
(Float)
71
Air Temperature
R/W °F -999 system_oat AV:1901
(Float)
119
Min Pos
R/W %Open 40 econ_purge_min AV:9029
(Float)
75
Compressor
Stages
R comp_run AV:2020 Input Register (Float) 31
System Mode R
2=Fan Only
3=Economizer
Cooling
4=Cooling
5=Heating
6=Dehumidificati
on
7=Test
8=Shutdown
9=Unocc Free
Cooling
10=Fire
Shutdown
11=IAQ Override
run_status MSV:2002
Input Register
(Signed)
1
Appendix A: Network Points List for RTU Open