Microscan QX Hawk Bedienungsanleitung PDF herunterladen (Seite 150)

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101

5-52 QX Hawk Industrial Imager User Manual

Read Cycle

Stop Character (Non-Delimited)

Useful in applications where different characters are required to end a read cycle.

A single ASCII host serial trigger character that ends the read cycle and is not enclosed by

delimiters such as < and >.

Non-delimited Stop characters can be defined and will function according to the trigger

event.

When defining Stop trigger characters, the following rules apply:

•In External Edge the imager looks only for the Start trigger character and ignores any

Stop trigger character that may be defined.

•In External Level the Start trigger character begins the read cycle and the Stop trigger

character ends it. Note that even after a symbol has been decoded and the symbol data

transmitted, the imager remains in

External Level

trigger read cycle until a

Stop

character

is received.

•In Serial Data and Edge trigger mode, either a Start trigger character or a hardware

trigger can start an edge trigger read cycle.

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