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.