User Manual
Table 1.4 Definition of Frame Flag & Frame Data
Frame Flag[7]:
Data Read &
Write Property
Frame Flag[6:0]: Data Number
Frame
Data
[15:0]:
Data
Value
Description
0 (Read)
1 (Write)
0 (Firmware Version)
X
Frame Data [15:8] major version
number,
Frame data [7:0] backup version
number
1 (Rainfall Status)
0
No rain
1
Light rain
2
Moderate rain
3
Heavy rain
2 (System Status)
0
System normal
1
RS200 Internal communication
error
2
LEDA damaged
3
LEDB damaged
4
Optical system calibration not
good
5
Parameter configuration failure
6
Serial communication error
(serial port check error)
7
Low voltage warning (low
voltage threshold 2.8V)
3 (Optical System)
0
Perform optical system
calibration
1
Send optical system calibration
value
4 (Enter Real-time Rainfall Mode)
0
Exit real-time rainfall mode
1
Enter real-time rainfall mode
