D731D_Origin_Lora_Technical_Guide_EN.docxD731D_Origin_Lora_Technical_Guide
_EN.docx
D731D_Origin_Lora_Technical_Guide_EN.
docx
D731D_Origin_Lora_Technical_Guide_EN.docx
4.9 Temperature alerts
Data are sent in the following format:
Offset
Size
(bit)
Bit-
range
Data
Description
Valid
Range
Scale
Unit
0
8
DB0.7
DB0.0
Type of
product
Origin Lora
0xA2
8
8
DB1.7
DB1.0
Type of
message
Temperature alert
0x08
16
9
DB2.7
DB3.7
Temperature
Temperature
(linear), increment
= 0,1°C
0-500
0°C /
+50°C
°C
255
Error
25
1
DB3.6
T_TH1
Temperature
threshold
n°1
0:
threshold
1 not reached
1:
threshold
1 reached
26
1
DB3.5
T_TH2
Temperature
threshold
n°2
0:
threshold
2 not reached
1:
threshold
2 reached
27
3
DB3.4
DB3.2
Frame index
Frame Index is a
loop counter to
check if a frame has
been lost
0
–
7
30
2
DB3.1
DB3.0
Not Used
Not Used
Not Used
Example:
Raw Frame: A20866C4
Decoded frame:
-
Type of product: 0xA2 -> Origin Lora
-
Type of message: 0x08 -> Temperature alerts
-
Temperature (°C): 0xCD -> 20.5°C
-
Temperature Threshold n°1: 0x1 -> Temperature Threshold n°1 reached
-
Temperature Threshold n°2: 0x0 -> Temperature Threshold n°2 non reached
-
Frame index: 0x1 -> Frame index n°1