HF HF2411 - At+Z; At+Uart; At+Uarttm; At+Modbus

4G_2G DTU Products Function
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2.4.2.14. AT+Z
◼ Function: Hard restart.
◼ Format:
AT+Z<CR>
+ok<CR><LF><CR><LF>
The IO control state is initialized.
2.4.2.15. AT+UART
◼ Function: Set/query the serial port operation, and the settings will take effect after reset.
◼ Format:
◆ Query Operation:
AT+UART=<id><CR>
+ok=<id,baudrate,data_bits,stop_bit,parity,flowctrl><CR><LF><CR><LF>
◆ Set Operation:
AT+UART=<id,baudrate,data_bits,stop_bit,parity,flowctrl><CR>
+ok<CR><LF><CR><LF>
◼ Parameter:
◆ id：Serial port number
⚫ 1: Port 1
⚫ 2: Port 2 (G10, G11, G12 support)
◆ baudrate: Baud rate, default【115200】。
⚫ 600, 1200,2400,4800,9600,19200,38400,57600,115200,230400,460800
◆ data_bits: Date bit, default【8】
⚫ 7,8
◆ stop_bits: Stop bit, default【1】
⚫ 1,2
◆ parity: Check bit, default【NONE】
⚫ NONE
⚫ EVEN
⚫ ODD
◆ flowctrl: Hardware flow control (CTSRTS), only serial port 1 supports hard flow control,
default【NFC】
⚫ NFC: No hardware flow control
⚫ FC: Hardware flow control (EG1X, EG43 don’t support)
⚫ HD: Half-duplex mode for RS485.
2.4.2.16. AT+UARTTM
◼ Function: Set/Query the Two-Frame Time Interval When the Serial Port Receives Data.
◼ Format:
◆ Query Operation:
AT+UARTTM=<id><CR>
+ok=<id><interval><CR><LF><CR><LF>
◆ Set Operation:
AT+UARTTM=<id><interval><CR>
+ok<CR><LF><CR><LF>
◼ Parameter:
◆ id：Serial port number
⚫ 1: Port 1
⚫ 2: Port 2 (G10, G11, G12 support)
◆ interval: Serial port division interval, default 【200】ms, range 10~1000ms
2.4.2.17. AT+MODBUS
◼ Function: Set/query Modbus TCP to Modbus RTU function.
◼ Format: