Instruction Manual

Device Payload
Common
Common Uplink
ACK
When device receive setting frame from LoRaWAN network server, the device will send ACK frame
to network server, representing the device has set setting frame.
FPort: 64
Bytes 1 1 2
Sport Ret Checksum
Sport: Previous setting frame FPort
Ret: 0x0 is successful and 0x1 is unsuccessful
Checksum: Previous setting frame checksum
Common Downlink
System Set
System set frame can set system command to device include reboot or reset to default.
FPort: 9
Bytes 1
cmd
cmd: 0x1 is reboot and 0x2 is reset to default
BB-WSW2C00015
Uplink
Modbus Uplink Data
Modbus uplink data length is not xed, it depend on Modbus payload, can be 6 to 51 bytes.
FPort: 5
Bytes 1 2 1 1 Not Fixed (1-46)
ID Addr FL TR Payload
ID: Modbus slave ID
Addr: Modbus address
FL: Function code and payload length
TR: Transactions and return code
Payload: Modbus payload from Modbus sensor