User Manual

June 10, 2021 Ecoh 915 Manual 1.0.3 Pag. 13 of 25
4.9. How the sensor works
4.9.1. Frame types
The Smart Parking architecture manages different uplink and downlink frames. The next table
shows the Uplink frames:
Frame type
#num
Description
Keep Alive
1
Keep alive packet, sent every xxxx seconds without any status
change.
Measurement
2
Used to inform a Parking Status change
Command ACK
3
Used to confirm a "Configuration command downlink" was
applied
The next table shows the Downlink
frames:
Frame type
#num
Description
Configuration downlink
3
Used to update the sensor parameters. After the customer sets
up a new sensor configuration in the Remote Configuration Form
a new "Configuration downlink" frame is enqueued into the
LoRaWAN network server’s downlink queue.
Ack Message received
Used to confirm the packet reception from the management
platform
To get the last payloads documentation ask for it to Intercomp’s team
4.9.2. LoRa WAN Keys and AppEui
At the order, the customer can require to set all the keys and the AppEui, ready for its network.
Otherwise all the sensors will be delivered with all the Lorawan keys set to zero.
AppSKey = 0x00000000000000000000000000000000;
NwkSKey = 0x00000000000000000000000000000000;
AppKey = 0x00000000000000000000000000000000;
AppEUI = 0x0000000000000000;
All the keys and AppEui can be set via Sensor Configuration SW.
It will be possible to set the keys and AppEui before installation and before to seal the sensors,
using the programmation cable and the WPConfig software supplied by Intercomp.
If the order require sealed sensors , keys and AppEui MUST BE SET during production procedure.