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V530-R160
Operation Manual
SE
C
T
IO
N
8
Parallel I/O
SECTION 8
Communication with the Host
Output Format
Every time reading is executed a reading result is output.
Output only occurs in the
RUN
mode. There is no output in the
MON
mode.
The initial status of the output signals is OFF. However, the signals may turn ON for approximately
0.5 seconds when the power is turned ON.
Take care with regard to signal input at the host.
Timing Charts
One Shot Reading
Signal
Description
OK/NG
OK
OK when 2-dimensional codes are read successfully.
The reading data is output to the host via the serial interface.
NG
NG when 2-dimensional codes are not read successfully.
Error codes are output to the host via the serial interface.
Judgement
Enter RUN mode.
Leave RUN mode.
RUN
BUSY
OK/NG
(RS-232C)
OFF
ON
OFF
ON
TRIG A
OFF
ON
Perform reading.
Perform reading.
Perform reading.
Output period
GATE
OFF
ON
Gate ON time
Gate ON delay
Note: The output time to RS-232C changes depending on the data volume and
baud rate.
