Microscan QX Hawk Manual de usuario Pagina 354

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A-38 QX Hawk Industrial Imager User Manual
Serial Commands
Polling Mode Options
RES,REQ,STX,ETX,ACK,NAK Defaults (Polling Mode Options)
Autoconfiguration Daisy Chain
ASCII Character Entry Modifier
Commands that require ASCII text fields, such as Preamble and Postamble commands,
can be sent to the imager as hex pairs (see Appendix G, ASCII Table, for conversions).
To enter ASCII fields as hex values (00 to FF), add a lower-case
h
directly after the command’s
K
number, and then enter the hex value that corresponds with the desired ASCII character.
Example:
The ASCII characters <, >, and
, can only be entered as hex pairs. So, to make > the
postamble in the symbol decode output, enter the Postamble command as follows:
<K142h,,3E>
Note that the “status” field contains only a
, . This is because the only field that is being
changed is the “postamble character(s)” field. (See Serial Configuration Command
Conventions for a more detailed explanation of this command shortcut.)
Protocol Selection
Protocol (Protocol Selection)
Serial Cmd: <K148,RES,REQ,STX,ETX,ACK,NAK>
RES: (Reset) 04
REQ: (Request) 05
STX: (Start of Text) 02
ETX: (End of Text) 03
ACK: (Acknowledge) 06
NAK: (Negative Acknowledge) 15
Serial Cmd: <K150DAISY>
Serial Cmd Format: <Knnnh,00-FF>
Serial Cmd: <K142,status,postamble character(s)>
Serial Cmd: <K160,protocol,address,protocol port>
Options: 0 = Point-to-Point
1 = Point-to-Point with RTS/CTS
2 = Point-to-Point with XON/XOFF
3 = Point-to-Point with RTS/CTS and XON/XOFF
4 = ACK/NAK
5 = Polling Mode
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