Microscan MS-890 User Manual page 57

Full Duplex (Aux Port Mode)
Usage:
Used when communication to and from the auxiliary port is required.
Definition:
In Full Duplex mode all auxiliary port data and symbol data is sent directly to
the host. Symbol data is not displayed on the auxiliary port screen.
Data Initiated from the Auxiliary Port
Auxiliary port data to the host is ignored if the
scanner is in a polled mode.
Auxiliary port data or scanned data is sent to the
host whenever it is received.
Auxiliary port data is not echoed.
Auxiliary port data to the host is always sent
without a preamble or a postamble.
<D>
scanner from the auxiliary port. All other commands
are passed through to the host.
Data Initiated from the Scanner
Scan data is not sent to the auxiliary port.
Data Initiated from the Host
All host data is echoed to the auxiliary port in
unpolled mode.
Serial Cmd:
<K101,aux port
daisy chain ID>
3 = Full duplex
MS-890 Industrial Automation Scanner User Manual
is the only command that is accepted by the
mode,baud rate,parity,stop bits,data bits,daisy chain ID status,
Communications
Aux.
Host
Port
Scanner
Aux.
Host
Port
Scanner
Aux.
Host
Port
Scanner
3-13