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ENGLISH
FUNCTIONAL SPECIFICATIONS AC Smart BACnet
Objects (Modbus-TCP)
Supported Function Code
Monitoring and controlling items of air conditioners supported are assigned with general function
codes specified by Modbus-TCP.
Function Name Code Description
Read Single Coil 01h
Run/Stop(status), Lock(status), Swing(status), Alarm,
Filter Sign(status), Mode Lock(status), Wind Flow
Lock(status)
Read Holding Registers 03h
Operation Mode(status), Fan Speed(status),
Room Temperature, Error Code, Set Room
Temperature(status), Set Lower Temperature(status),
Set Upper Temperature(status), User Mode(status)
Write Single Coil 05h
Run/Stop(setting), Lock(setting), Swing(setting),
Filter Sign Reset, Mode Lock(setting), Wind Flow
Lock(setting)
Write Single Registers 06h
Operation Mode(setting), Fan Speed(setting),
Set Room Temperature(setting), Set
Lower Temperature(setting), Set Upper
Temperature(setting), User Mode(setting)
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