4G_2G DTU Products Function
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◆ Query Operation:
AT+MODBUS=<id><CR>
+ok=<id><status><CR><LF><CR><LF>
◆ Set Operation:
AT+MODBUS=<id><status><CR>
+ok<CR><LF><CR><LF>
◼ Parameter:
◆ id: Serial port number
⚫ 1: Port 1
⚫ 2: Port 2 (G10, G11, G12 support)
◆ status: Modbus RTU to TCP function
⚫ on: Enable
⚫ off: Disable, default【off】
2.4.2.18. AT+SMSID
◼ Function: Set/query SMS parameters, the settings will take effect after reset.
◼ Format:
◆ Query Operation:
AT+SMSID<CR>
+ok=<id,status[,number]><CR><LF><CR><LF>
◆ Set Operation:
AT+SMSID=<id,status[,number]><CR>
+ok<CR><LF><CR><LF>
◼ Parameter:
◆ id: SMS identifier, default is “#SMS#”, add this identifier at the beginning of UART data,
the packet will then sent to SMS, not to socket.
◆ status: SMS function mode
⚫ 0: Disable SMS number update, always sent to the set number.
⚫ 1: Enable SMS number update, default is 1. If receive SMS from phone, it will auto
update the number, the next received packet will send to this update number.
◆ number: phone number.
2.4.2.19. AT+NETP
◼ Function: Set/Query network protocol parameters, the settings will take effect after reset
◼ Format:
◆ Query Operation:
AT+NETP=<id><CR>
+ok=<id,uart,protocol,IP[,port,mode,time]><CR><LF><CR><LF>
◆ Set Operation:
AT+NETP=<id,uart,protocol,IP[,port,mode,time]><CR>
+ok<CR><LF><CR><LF>
◼ Parameter:
◆ id: Communication channel number, including the following parameters.
⚫ A: Socket A channel.
⚫ B: Socket B channel.
⚫ C: Socket C channel.
◆ uart: Serial port number, to which the data is sent after receiving the communication
channel, including the following parameters.
⚫ 1: Port 1, default 【1】
⚫ 2: Port 2, (G10, G11, G12 support)
◆ protocol: Protocol type, including the following parameters.
Off: off status, 5 channels default to【off】。
TCP: TCP mode.
UDP: UDP mode.
HTTP: HTTP mode, only Socket A support this