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Appendix
20 Lonworks Gateway
Appendix
A/C Objects
• The appendix carries information necessary for interfacing with BMS and not necessary for actual
installation.
Standard Fundtion Block
SCC(8500)FB
Indoor/
Ventilator unit
Network Varlables
SNVT
_
switch nviOnOff
SNVT
_
hvac
_
mode nviHeatCool
SNVT
_
switch nviFanSpeedcmd
SNVT
_
switch nviLock
SNVT
_
switch nviSwing
SNVT
_
switch nviSetPoint
SNVT
_
switch nviUser
SNVT
_
switch nviSpaceTemp
SNVT
_
switch nvoOnOff
SNVT
_
hvac
_
mode nvoHeatCool
SNVT
_
switch nvoFanSpeed
SNVT
_
switch nvoLock
SNVT
_
switch nvoSwing
SNVT
_
temp
_
P nvoSetPoint
SNVT
_
hvac
_
status nvoUnitStatus
SNVT
_
count nvoUser
SWITCH(3200)FB
Total
Control
SNVT
_
switch
nviTotalOnOff
_
Indoor
SNVT
_
switch
nviTotalOnOff
_
Vent
SNVT
_
switch nvoSwitch
• You can enable control and monitoring as shown in the figure for one air conditioner/ventilation unit.
• The network variable can differ from the actual.
(Refer to the XIF file for correct network variable.)
Control Monitoring
On/Off command
Mode selection command
Fan level selection command
Indoor unit lock command
Fan direction command
Temperature setting command
Ventilation additional function command
(Only applies for ventilation product)
Air conditioner total On/Off control
Ventilation total On/Off control
On/Off status monitoring
Mode status monitoring
Fan level status monitoring
Lock status monitoring
Fan direction status monitoring
Temperature setting status
monitoring
Current temperature monitoring
Error display
Ventilation additional function
status monitoring (Only applies
for ventilation product)
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