Ordered Output
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MS-860 Industrial Raster Reader User’s Manual
Ordered Output
Rule #1
Each symbol decoded must match one of the filters before it can be saved to a read
cycle record. However, an exception exists whenever the number of symbols required
for a read cycle exceeds the number of active filters. In this case, unfiltered symbols
can be placed into unfiltered output positions. For example, if the number of symbols
required is 6 but there are only 4 active filters, the last 2 positions can be filled by any
(un-filtered) qualified symbol.
Rule #2
The user can use the same filter setup multiple times. For example, if filters 1, 2, & 3
are setup to filter on Data Matrix symbol type and in the order that they are decoded,
qualified Data Matrix symbols will be output in filters 1,2 & 3 positions.
Rule #3
All qualified symbols will be sorted and output in the filter position they match. If a
symbol matches filter 3, it will be output as the 3rd symbol. If a filter does not have a
symbol qualified for it, a NOREAD message will be output in place of the symbol (if
Noread message is enabled). For example, if filter 3 does not have a symbol that
meets it's requirements, a NOREAD message will be output in the 3rd output position.
Usage:
Useful in sorting several symbols into multiple categories with specific
fields and a defined order of output.
Definition:
Ordered Output involves filtering and ordering.
In the filtering stage, each symbol in a read cycle is read and matched
against a user-defined database of up to 12 filters which search on sym-
bology type, symbol length and data contents. A given symbol must meet
all three criteria in any one of the filters in order to be included.
In the ordering stage, symbols are transmitted in the order that they
match up with the filters. A symbol matching filter #1 will transmit first,
another matching filter #2 will transmit next, and so forth.
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