21
ATIM_ACW-TCR_UG_EN_V1.0
The possible measure types are:
Measure type Units
Data size
Data type
Description
0x08
c°C
2 bytes (
Big Endian
-
MSB)
Signed integer
Temperature in
hundredth
of a degree Celsius
➢
Resolution: 0.01°C
➢
Max value: 125°C
➢
Min value: -40°C
0x09
%RH
2 bytes (
Big Endian
-
MSB)
Signed integer
Humidity in hundredth of percentage of relative
humidity (%RH)
➢
Resolution: 0.01 %RH
➢
Max value: 100 %RH
➢
Min value: 0 %RH
Then follow the data of the measurement sample (s) (depending on the configuration of the product). The number
of bytes sent can be determined as follows:
(Size in bytes of the measurement) * (number of samples) * (history depth)
Alert frame
If the Timestamp is activated, 4 bytes with the Timestamp value will be preceded by the header (byte 1).
For each of the channels in alert, a header is inserted and is constituted as follows:
The type of
alert field
is used to identify whether it is a breach of the high threshold, the low threshold or a return
between the thresholds.
Byte 1 - En-tête
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
New
generation= 1
Timestamp
Measuring
frame= 0
Reserved= 0
Alert frame
= 0x0d
Channel header
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Alert type
Number of the channel
Type of measure
