Microscan QX Hawk Manuale Utente Pagina 130

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5-32 QX Hawk Industrial Imager User Manual
Communication
Half Duplex Mode
When Half Duplex Mode is enabled, the following conditions apply:
Symbol Data to Source = Fixed to Enabled
Ambles to Source = Fixed to Enabled
Echo to Source = Fixed to Disabled
Output at End of Read Cycle = Fixed to Disabled
Output at ETX = Fixed to Disabled with user-defined characters. Default character will be
used if this setting is set to Disabled.
Output at Timeout = Fixed to Disabled with user-defined timeout. Default time will be
used if this setting is set to Disabled.
Mode of Operation
Source Port data is not echoed back to itself.
Source Port data is ignored when the Destination Port is in Polling Mode.
Source Port data or symbol data is sent to the Destination Port whenever it is received.
Source Port data is sent to the Destination Port without a Preamble or Postamble.
Symbol data is sent to the Source Port and the Destination Port at the same time, and
conforms to the communication parameters.
Destination Port data is echoed to the Source Port in an un-polled mode.
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