Omron 2D CODE READER User Manual page 78

When [One Shot] is Selected as Trigger Mode and [Level] is
Selected for [OK/NG Output]
The OK and NG signals are expressed as level signals.
The signals are input when the BUSY signal switches from ON to OFF.
If [OFF] is selected for [NG Output], no outputs will be made via RS-232C when reading has failed.
Power ON Completion of start-up
RUN
OFF
ON
TRIG
OFF
ON
Trigger input
BUSY
OFF
ON
Reading in progress
OK/NG
OFF
ON
(RS-232C)
If [Level] is selected for [OK/NG Output], this signal is turned ON/OFF to indicate the reading result
(i.e. whether reading is successful or has failed).
The signal is ON when reading is successful, and it is OFF when reading has failed.
Communicating with PC and Programmable Controller
Reader is active.
Trigger input
Reading in progress
Serial communication in progress
Trigger input
Reading in progress
Serial communication in progress
Section 5
Power OFF
Serial communication in progress
V400-F050/250/350
User's Manual
77