Rockwell Automation 2755 AdaptaScan Software - Manual (Page 103)

7–4
Publication 2755-838
Discrete Input Trigger Source
The Reader decodes data only after receiving a trigger from a
discrete input (located in the wiring base).
Wiring Base
Reader
I/O Modules
Timer Trigger Source
The Reader decodes data only when the internal timer is On. The
timer can be configured On or Off for independent periods of time.
Internal Timer
ASCII Command Trigger Source
Data is only decoded after an ASCII Trigger On command is
received. The Reader decodes data until a Trigger Off command is
received, a valid package is decoded or the timer times out.
ASCII Host Command