Half Duplex Mode - Microscan QX Hawk User Manual

Parameters

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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QX Hawk Industrial Imager User's Manual