Unit set read command
Register
Data content
address
0
Power on/off
1
Setting mode
2
Setting the temperature Ts
3
Comand Functions
4
hour
5
minute
15 MODBUS PROTOCOL
Remarks
BIT15
Reserved
BIT14
Reserved
BIT13
Reserved
BIT12
Reserved
BIT11
Reserved
BIT10
Reserved
BIT9
Reserved
BIT8
Reserved
BIT7
Reserved
BIT6
Reserved
BIT5
Reserved
BIT4
Reserved
BIT3
Reserved
BIT2
Reserved
BIT1
Reserved
0: power off;
BIT0
1: power on.
1:invalid ; 2:hybird
3: e-heater
unit: °C.
Setting range 38-70°C (actual value)
Send value = actual value*2+30
unit: °F.
Setting range 100-158°F
Send value = actual value
BIT15
Reserved
BIT14
Reserved
BIT13
Reserved
BIT12
Reserved
BIT11
Reserved
BIT10
Reserved
BIT9
Reserved
BIT8
Reserved
BIT7
Reserved
Fahrenheit or Celsius Enable
BIT6
0 = Celsius Enable
1 = Fahrenheit Enable
BIT5
Force disinfect function(0 = OFF
BIT4
Remoter ONOFF (0 = OFF
Remoter OnOff signal (0 = OFF
BIT3
0 = panel's onoff signal check can work
1 = panel's onoff signal check can't work
BIT2
SG Command (same of digital input)
BIT1
EVU command (same of digital input)
Solar signal (control Bit 1 and 2)
BIT0
0 = solar panel can work
1 = solar panel can't work
Decimal
Decimal
4:vacation
1 = ON)
1 = ON)
1 = ON)