Industrial Tracker Reference Guide FW 1.8 V0.2
6.3 Common message header
Common header
Data
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Variable
Type
Status
Batery
Temperatur
e
ACK/Opt
Informaton
Type:
refer to
Status:
Bit7i5
Operatng mode:
0i Standby
1i Moton tracking
2i Permanent tracking
3i Moton start/end tracking
4i Actvity tracking
Bit 4
Set if the user SOS has been entered
Bit 3
Reserved bit
Bit 2
Set if the tracker is in moton state since the last payload is sent
(1)
Bit 1
Set for a periodic positon message
Bit 0
Set for a positon on demand message
Note
(1) The moton bit setng can be pictured as follot:
Battery
: Batery voltage expressed in volt.
lo
= 2.8,
hi
= 4.2,
nbits
= 8,
nresv
= 2. It
is given tith a step of 5,5mV
Temperature
: Temperature measured in the device, expressed in degree Celsius.
using lo= i44, hi= 85, nbits= 8, nresv= 0. It is given tith a step of 0.5°C
ACK/opt
:
Bit 7i4
ACK
Acknotledge token. Refer the secton
Bit 3i0
Opt
Optonal data (depending on message type. Currently used only for positon
messages)
Informaton:
Variable part depending on the message type.
Decoding of the encoded form is detailed in the
secton
Page 22 of 46
10th July 2019
Restricted distribution