Communication Protocol
Definitions:
Number |
Specification |
Protocol Definition |
1 |
Media |
RS485 |
2 |
Baud Rate |
9600BPS(Default) |
3 |
Byte format |
1 start bit +8 data bit +1 stop bit |
4 |
Parity |
None |
5 |
Address |
1-254 |
6 |
Data format |
Modbus RTU/TCP |
0 03 Data Unit:
Code |
Address |
Specification |
Details |
3 |
0 |
RoomTemp |
0-500 (235: 23.5 degrees) |
3 |
1 |
Humidity |
0-100 |
3 |
2 |
CO2 |
0-9999 |
3 |
3 |
SysYear |
0-99 |
3 |
4 |
SysMonth |
1-12 |
3 |
5 |
SysDate |
0-31 |
3 |
6 |
SysHour |
0-23 |
3 |
7 |
SysMin |
0-59 |
3 |
8 |
SysSec |
0-59 |
3 |
9 |
Sysformat |
0: am ; 1 :pm |
3 |
10 |
Time format |
0:24Hour 1:12Hour |
3 |
11 |
Light sensor Lumin level |
0 -10000 |
3 |
|
|
|
3 |
|
|
|
S 0
Code |
Address |
Specification |
Details |
3\16 |
30-39 |
DeviceName |
Customer define device name/Number 10 charaters |
3\16 |
40 |
Temperature Format |
1:F, 0:C |
3\16 |
41 |
Co2 calibration |
0-500 (235: 23.5 degrees) |
3\16 |
42 |
Status |
1:on, 0:off |
3\16 |
43 |
System Mode |
1: usb 2:valve 3. fan |
3\16 |
44 |
Year |
0-99 |
3\16 |
45 |
Month |
1-12 |
3\16 |
46 |
Day |
0-31 |
3\16 |
47 |
hour |
0-23 |
3\16 |
48 |
Min |
0-59 |
3\16 |
49 |
Am,pm |
0:am 1:pm |
3\16 |
50 |
Backlight Auto dim enable |
1: enabled ; 0 : disabled |
3\16 |
51 |
Backlight brightness |
6-94 |
3\16 |
52 |
Co2 set Min |
400-4500, step is 50 |
3\16 |
53 |
Co2 set Max |
400-4500, step is 50 |
3\16 |
54 |
CO2 alert High setpoint |
alert Low - 4500 |
3\16 |
55 |
CO2 alert Low setpoint |
450 - alert High |
3\16 |
56 |
Touch lock enable |
0:No 1:Yes |
3\16 |
57 |
Lock Pin_1 |
0'-'9' |
3\16 |
58 |
Lock Pin_2 |
0'-'9' |
3\16 |
59 |
Lock Pin_3 |
0'-'9' |
3\16 |
60 |
Lock Pin_4 |
0'-'9' |
3\16 |
61 |
CO2_Valve running time |
10-120 seconds |
3\16 |
62 |
CO2_Sensor running Time |
10-120 seconds |
3\16 |
63 |
Schedule Mode |
0:weekday/weekend, 1:7days, 2:24hrs, 3:none |
3\16 |
64 |
Calibrate Co2 sensor |
1: calibrate CO2 sensor |
16 |
65-100 |
reserved |
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