Moxa MD-119-X1 [38/44] Downloading files

MD-119 HW Manual Display UART Command

C-4

reply to any message that the checksum has failed with the attention code set to NAK. This requirement does

not reply to broadcast messages in RS-485 mode, in which case there will be no reply.

Downloading Files

Use the following commands for downloading files.

Commands Description

DL? Data: none (0 byte)

ACK: Total packet numbers (1 byte)

DLN Data: Appointed packet (1 byte)

ACK: File content (72 bytes maximum, except

for the last packet)

The command DL? will send a request to the micro controller and ask how many packets that need to be

downloaded. The reply from the micro controller shall be used when using the command DLN to download the

specific packets.

Command DL?

Byte

Number

Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6

Hex 0x7 0xFF 0x44 0x4C 0x3F 0x0 0x2A

ASCII D L ?

Command DLN

Byte

Number

Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8

Hex 0x7 0xFF 0x44 0x4C 0x4E 0x1 0x1A 0x50 0xAF

ASCII D L N