Outputs text data received from the wired LAN.
The received data is only output if the text reception is enabled in memory register (REG090).
The destination device ID can be in the range 0 to 255, where 255 specifies broadcasting.
The sender device ID can be in the range 0 to 254.
The maximum length of data is 1448 bytes. The end of the data is indicated by a CR (carriage return).
@RXT(Destination device ID<3 digits>)(Sender device ID<3 digits>)(Text data) CR
<="@RXT002001", "HELLO" CR
Received the text "HELLO" (5 characters) sent from the device with device ID 001 to the device with device ID 002.