AMIC OOT550-DL3B2, Руководство пользователя

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Outdoor LoRa Data Logger
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0x02 – Report all Enabled Inputs:
0x02 Total
length Port ID[i] Data[i]
length Data[i]
value[] … Checksum
1 byte 1 byte 1 byte 1 byte 1 byte * n 1 byte
Command: 0x02
Purpose: A LoRa node is Uploading the status (data) of all enabled input ports to network server.
Port ID[i]: Identifier for each input port. Only those enabled input ports will appear in the payload.
DI-1 0x10
DI-2 0x11
AI-1 0x30
AI-2 0x31
AI-3 0x32
Modbus-1 0x50
Modbus-2 0x51
Modbus-3 0x52
Data[i] Length: the data length of the corresponding input port.
Data[i] Value: the data of the corresponding input port.
For example, the packet
“
020E3002000031020000320200003D” is composed of
Command byte – 0x02
Total Length – 0x0E
Port ID[1] – 0x30 /* Port AI-1 */
Data[1] Length – 0x02
Data[1] Value – 0x0000
…
Checksum - 0x3D