Microscan MS-860 User Manual page 75

RS-232 Auxiliary Port
Conditions: The conditions for a daisy chain application are as
follows:
1. The master reader's trigger must be Serial or
External; the secondary readers' triggers are
configured for Serial.
2. All readers are enabled to Daisy Chain
mode.
3. Each reader's auxiliary port must be connected to the Host port of
its secondary reader.
4. Each secondary reader in the daisy chain must be set to send its
data no less than
5. All but the master reader must have Postamble enabled and set to
CR (^M) only.
6. All but the master reader must have their noread messages disabled.
7. If Multisymbol is enabled, Multisymbol Separator characters
must match in all readers and Number of Symbols must be set to
number large enough to include all the symbols it may itself read
plus the number of symbols that it will be expected to relay to the
host or the next reader up the line.
8. Symbology ID enable/disable must be the same in all readers.
9. All but the master reader must have their diagnostic warning mes-
sages disabled.
10. Daisy Chain ID Status enable/disable and the number of charac-
ters in Daisy Chain ID must be the same in all readers.
Command Processing Mode
Usage: Allows user to send configuration from the Host port or the AUX port.
Definition: When enabled, Command Processing allows commands to be entered
via the aux port. The following rules apply:
1. Bar code data, including the serial trigger if used, will be transmit-
ted to the last port from which a command was sent.
2. If a reset occurs, all data will be transmitted to the host port.
Serial Cmd: <K101,aux port
ID status,daisy chain ID>
Options: 5 = Command Processing
6-14
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mS before its preceding reader.
mode,baud rate,parity,stop bits,data bits,daisy chain
MS-860 Industrial Raster Reader User's Manual
Host Secondary
Master