Omron 2D CODE READER User Manual page 65

Section 5
Communicating with PC and Programmable Controller
Data Format for Each Command
GL
Function... Performs one reading.
Input
Output
GO
Function... Execute a level trigger.
Input
Output
SO
Function... Stops the level trigger.
Input
Output
V400-F050/250/350
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User's Manual
Reading is executed with the retry condition that is set when a trigger is
input.
"Number of read data digits" and "Code quality" are output only if they
are set.
p.47
G L
• When reading is successful
Read data
• When reading has failed
N G Error Code
?
"Number of read data digits" and "Code quality" are output only if they
are set.
p.47
G O
• When reading is successful
Read data
• When reading has failed
N G Error Code
?
Reading is repeated until it is successful.
This command is effective only when a level trigger is being executed.
S O
O K