IWCi
18
It is strictly forbidden to reproduce this manual, even partially
WC66000122 - Rev 03
MODBUS
The protocol implemented in the cassette is Modbus RTU (19200,N,8,1)
on RS485.
IMPLEMENTED FUNCTIONS
READ_COILS 0x1
READ_DISCRETE_INPUTS 0x2
READ_HOLDING_REGISTERS 0x3
READ_INPUT_REGISTERS 0x4
WRITE_SINGLE_REGISTER 0x6
WRITE_MULTIPLE_REGISTERS 0x10
STATUS COILS
Address
_CoilRead_Allarme_...........................................................................1
_CoilRead_PompaScaricoAttiva_........................................................2
_CoilRead_ValvolaFreddaAttiva_ .........................................................3
_CoilRead_ValvolaCaldaAttiva_ ..........................................................4
_CoilRead_UsaTermostato_ ...............................................................5
HOLDING REGISTERS
Address
_Holding_SetPoint_............................................................................1
_Holding_LimitMinRaffreddamento_ ...................................................2
_Holding_LimitMaxRaffreddamento_ ..................................................3
_Holding_LimitMinRiscaldamento_ ....................................................4
_Holding_LimitMaxRiscaldamento_ ....................................................5
_Holding_VelocitaVentilazione_ ..........................................................6
_Holding_WorkMode_ ........................................................................7
_Holding_PosizioneFlap_ ...................................................................8
_Holding_DryTreshold_ ......................................................................9
_Holding_UsaModbus_ ....................................................................20
_Holding_EconomyMode_ ...............................................................21
_Holding_TurboMode_ .....................................................................22
_Holding_SdoppiamentoVelocita_ ....................................................23
_Holding_FilterStatus_ .....................................................................24
_Holding_ResetMachine_ .................................................................27
INPUT REGISTERS
Address
_Reading_VelocitaPercentuale_ ..........................................................1
_Reading_TemperaturaAria_ ...............................................................2
_Reading_TemperaturaAcqua_ ...........................................................3
_Reading_Umidita_ ............................................................................4
_Reading_DiagLevel_.........................................................................5
_Reading_FanMode_ .........................................................................6
_Reading_WorkMode_ .......................................................................7
_Reading_Revision_SW_ .................................................................22
_Reading_Codice_SW_ ...................................................................23
_Reading_SVN_ ...............................................................................24
8.
MODBUS PROTOCOL
