1694-2-6 Check ConnectionCheck whether the laser marker is connected to the external control device properly or not in accordance withthe following procedures.■ Flow*Check sumWith this check sum, add the character from the start code to the end of the data by converting the data intohexadecimal (representing into binary value) using the ASCII code table.02 (HEX) + 46(HEX) + 4E (HEX) + 4F(HEX) + 53 (HEX) + 30 (HEX) + 30 (HEX) + 31(HEX)=1C9 (HEX)↓Character at lower 2 digits (lower 1 byte) is C9(HEX)↓When converting this data into 2 characters, itbecomes 43 39 (HEX).2. Turn ON the power supply of the external device.3. Turn ON the power supply of the laser marker.Turn the key switch of the power supply BOX clockwise.The laser marker starts-up in the remote mode.*Open the manual shutter.4. Transfer “File No. Change (Code: FNO)” command.Start Code(Fixed)STX5. Check the response from the laser marker.If the connection is performed properly, the laser marker sends back the response data of eitherACK or NAK.Command CodeFile No. ChangeFNOSubcommand DataSetting or OperationSDataFile No.001DelimiterData End RecognitionCodeCR + LFCheck sum(Refer to “*” below)02 46 4E 4F 53 30 30 31 43 39 0D 0A (HEX)ACK060030 30Check sum36 36Delimiter0D 0A (HEX)NAK15Response code Check sum Delimiter0D 0A (HEX)“Response Data” (P.174)1. Accommodate the setting of the laser marker and that of the communication condition of the connectedexternal device.Refer to “4-2-4 Setting of Communication Condition” (P.168) for details.
