33Example of Request Data• To change file numberStart codeSTXCommand“FNO”Sub command“S”Data example:File No.“2047”ChecksumEnd codeCR02 46 4E 4F 53 32 30 34 37 30 35 0D (HEX)2-3-3 Response dataThe laser marker transmits response data in the following format for the command transmitted from the external device.⿎ Data format of positive responseResponse data transmitted when the setting request data (sub command “S”) was received normally.The positive response will be transmitted when the laser marker processing has been completed for some of the commandtypes.The start code is [ACK]: 06 (HEX).The response code is always “00”.Start code[ACK]Response code“00” Check sum End code1-byte 2-byte 2-byteor N/A1-byteor 2-byte⿎ Data format of read request responseResponse data to transmit the readout content for the readout request data (sub command “R”).The start code is [STX]: 02 (HEX).The sub command is “A”.Start code[STX] Command Sub command“A”Variable-length data or fixed-lengthdata Check sum End code1-byte 3-byte 1-byte The maximum data length is definedper command2-byteor N/A1-byteor 2-byteContent of variable-length data/fixed-length data partThe response content varies depending on the command.Numeric values or character strings are indicated with ASCII code for the response.For the characters which cannot be indicated with ASCII code, they are indicated with Shift JIS code.There is no separating character among the each terms.Example of positive responseStart codeACKResponse code“00” Check sum End codeCR06 30 30 36 36 0D (HEX)Example of readout response data• Readout response data to the file number readout request (FNO command)Start codeSTXCommand“FNO”Sub command“A”Data example:File No.“2047”Check sum End codeCR02 46 4E 4F 41 32 30 34 37 46 33 0D (HEX)ME-LP-GS-SR-COMP-3
