M-BUS-2 / User Manual
24
Revision 07 - 14 September 2020
|1 == 0|2==0|3==0| - 5 minutes
|1 == 1|2==0|3==0| - 15 minutes
|1 == 0|2==1|3==0|- 30 minutes
|1 == 1|2==1 |3==0|- 1 hour
|1 == 0|2==0|3==1|- 6 hours
|1 == 1|2==0|3==1|- 12 hours
|1 == 0|2==1|3==1|- 24 hours
5 bit
reserve
6 bit
reserve
7 bit
reserve
2.
Packet with time correction request, sent every seven days on LoRaWAN port 4
Size in bytes
Field description
Data type
1 byte
Packet type, this packet == 255
uint8
4 bytes
Time of the modem at a moment of the packet
transmission (unixtime UTC)
uint16
After receiving this type of package, the application can send to modem the packet with
time correction.
3.
Settings packet – transmitting on LoRaWAN port 3 when settings request command
received, or device connected to the network
Size in bytes
Field description
Data type
1 byte
Packet type, this packet == 00
uint8
2 bytes
ID of parameter
uint16
1 byte
Data length (len)
uint8
len bytes
Parameter value
-----
2 bytes
ID of parameter
uint16
1 byte
Data length (len)
uint8
len bytes
Parameter value
-----
…
…
…
2 bytes
ID of parameter
uint16
1 byte
Data length (len)
uint8
len bytes
Parameter value
-----