Microscan MS-7100 User Manual page 43

Triggering Mode
Default: Continuous Read
Options: Continuous Read, Continuous Read 1 Output, External Level,
External Edge, Serial Data, Serial Data & External Edge
Allows you to establish the type of trigger event that initiates or ends the
read cycle. (See "End of Read Cycle" on page
Selecting: Has this effect:
Continuous Read Trigger input options are disabled and the scanner is always
in the read cycle. Bar code data is decoded, and label
Note: If Continuous
Read is enabled with information is transmitted repeatedly, as long as the label is
Match Code, the in the read range of the scanner. When To Output options
scanner defaults to
have no affect on Continuous Read. Continuous Read is
Continuous Read 1
useful in testing label or scanner functions.
Output mode.
Continuous Read 1 Label data is immediately transmitted with Timeout enabled
a
Output for End Of Read Cycle. If the label doesn't change, the
scanner will repeat the output at the end of each
NOTE: Enabling
subsequent timeout period. For example, if Timeout were
Continuous Read 1
set to one second, the scanner would output the label data
Output when Num-
immediately, and then repeat the output at intervals of one
ber of Labels (page
second, for as long as the label continued to be scanned.
page 2-18,) is set to
With Timeout disabled (that is, End Of Read Cycle set to
any number great-
New Trigger), the scanner will output the current label data
er than one, will
immediately, but output it only once. A new label appearing
cause Number of
at any time in the scan range will produce a new read output
Labels to default
back to one. as long as the new label is not identical to the previous
label.
External Level Allows a read cycle to be initiated by a trigger signal from an
object detector when an object appears within the detector's
range. The read cycle endures until the object moves out of
the detector's range
timeout occurs and Timeout is enabled for End of Read
b
Cycle.
External Edge As with Level, Edge allows a read cycle to be initiated by a
trigger signal from an object detector when it detects the
appearance of an object (rising edge). But unlike Level
mode, the removal of an object (falling edge) does not end
the read cycle. With Edge enabled, the read cycle ends with
a good read output, a timeout, or a new trigger
on page
MS-7100/7180 Industrial Scanner User's Manual
Operations Menu
2-14.)
(figure 2-4 on page 2-14) unless a
2-14).
(figure 2-5
2-13