Omron FQ2-S/CH Series User Manual page 86

Retrying Inspection by External Signal (Trigger Retry)
Measurement is repeated until all inspection items have been successfully scanned.
Retry inspection ends when any one of the following conditions is satisfied:
(1) The scanning result of all inspection items is OK.
(2) Trigger retry (this command) turns OFF.
(3) The timeout time is exceeded.
Note
• This function can be used in Run Mode only.
Parameters
Execution
IN7 IN6
1
Timing Chart
 When inspection is OK
Run Mode entered.
ON
RUN signal
OFF
IN0 to IN6 signals
0
ON
IN7 signal
OFF
ON
BUSY signal
OFF
ON
OR signal
OFF
ON
ACK signal
OFF
84
Controlling Operation and Outputting Data with a Parallel Interface Sensor Data Unit
Command
IN5 IN4 IN3
0001100
0001100
IN5 ON after at least 5 ms
Retry starts
Scan Scan Scan
NG NG OK
Retry ends
ACK output time
IN2 IN1 IN0
1Set the IN0 to IN6 signals.
Setup Mode entered.
2When IN5 is turned OFF > ON with the
BUSY signal OFF, trigger retry inspection
starts.
3When retry inspection starts, the BUSY
signal turns ON.
4When the overall judgment turns ON,
retry inspection ends and the BUSY
signal turns OFF.
5After verifying that the BUSY signal has
turned ON > OFF, IN5 is turned ON >
OFF.
Input example
10001100
FQ2-S/CH User's Manual
for Communications Settings