Bob Assistant - Reference Manual
2023-04-04 - Version 1.0
37
IV.
Downlink (LoRa to device)
Note : Downlink commands have to be sent one by one.
4.1.
Renew learning mode or add learning
Definition
Byte to send (hex) Downlink Port
Restart learning from 0
0x50
1
Additional Learning
0x51
1
Restart learning will erase the previous vibration points map and learn up to 20 new vibration signatures
Additional Learning will learn new vibration signatures (adding the new vibration signatures to the one
previously recorded, up to 20 in total)
4.2.
Change sampling period
Evolutions compared to previous version of the device
are in red
in the following table
Definition
Learning
period
Monitoring
period
Downlink value (hex) Downlink Port
Very Fast Mode
10 sec
20 sec
0x52
1
Fast Mode
20 sec
2 min
0X53
1
Legacy Mode
60sec
5 min
0x60
1
Default Mode
60 sec
10
min
0x54
1
Slow Mode
2 min
10 min
0x55
1
4.3.
Enable/disable machine start/stop STATE MESSAGE
Definition
Downlink value (hex) Downlink Port
Enable State Message
0x56
1
Disable State Message
0x57
1
The Downlink
message “Enable State Message” activates the start/stop machine
notification (default
configuration)
The Downlink
message “Disable State Message” deactivates the start/stop machine notification (used
mostly to spare sensor energy in case of frequent state transitions)
Note:
3.5 years warranty is guaranteed for nominal operation which implies:
o
10 min period measurement
o
8 report messages per day
o
Occasionnal On/Off message
Note: Start/stop messages and battery life
We recommend to automatically disable start/stop messages if the total number of message received
during the first month of operation is more than 60.
