Controlling/Outputting in Parallel
FQ-CR2 User’s Manual
111
8
Communications with External Devices
Retry inspection by external signal (trigger retry)
Inspection 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) The trigger retry command turns OFF.
(3) The timeout time is exceeded.
Settings
To use this function, the input mode must be set to "Expanded mode".
[In/Out] − [I/O setting] − [I/O terminals] − [Input] − [Input mode]
Wiring
Timing chart
When inspection is OK
This function can only be used in run mode.
Color Signal State Description
The signals at left are used.
For the wiring of each signal,
refer to the following:
2-4 Wiring: p. 26
Gray IN0 OFF Command parameters for trigger retry
Green IN1 OFF
Red IN2 ON
White IN3 ON
Purple IN4 OFF
Ye l l o w IN5 ON Command input for trigger retry
Orange OUT1 (BUSY) -- Busy
Black OUT0 (OR) -- Overall judgment (default)
1 IN0, 1 and 4 are turned OFF, IN2 and
3 are turned ON.
2 When IN5 is turned OFF > ON with
the BUSY signal OFF, trigger retry
inspection starts.
3 When retry inspection starts, the
BUSY signal turns ON.
4 When the overall judgment turns ON,
retry inspection ends and the BUSY
signal turns OFF.
5 After verifying that the BUSY signal
has turned ON > OFF, IN5 is turned
ON > OFF.
Note
OFF
ON
OFF
ON
OFF
ON
IN5 signal
IN0 to 4 signals
IN5 ON after at least 5 ms
Retry starts
Scan
NG
Scan
NG
Scan
NG
Retry ends
BUSY signal
OR signal
FQ Sensor User Manual.book 111 ページ ２０１１年７月８日 金曜日 午後２時３０分
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