Parameter
Parame-
ter Code
Name
Duration of
C14
preventing cold wind
C15
Version
10.4 Modbus
●
Transmission rate: 9600 bps; Data length: 8 bits; Stop bit: 1 bit; Check bit: no
check; Transmission code: hexadecimal value (MODBUS RTU mode); Error
detection: CRC-16 (MODBUS RTU mode);
●
MODBUS communication IP address of slave unit: 1-32;
●
Command = 03: Multi-register read instruction; Command = 06: Single register
write instruction;
Command = 16: Multi-register write instruction.
Register
Command
Address
03
1
03
2
03/06/16
3
03/06/16
4
03/06/16
5
03/06/16
6
Parameter Range
00: 0 second
05: 5 seconds
10: 10 seconds
15: 15 seconds
30: 30 seconds
60: 60 seconds
90: 90 seconds
Parameter Name
Thermostat program
version No.
Room temperature
Current ON/OFF mode
Current setting
temperature
System mode setting
Set fan speed
10
Default
Value
00
Read only
Parameter Range
1~255
0~0xffff
0: OFF; 1: ON
17°~30°C / 41°F~95°F
0: Ventilation; 1: Cooling; 2: Heating;
3: Auxiliary electric heater;
4: Heating + Auxiliary electric heater
1: Low; 2: Medium; 3: High; 4: Auto
Remarks
Default
Value
0
4