For Measurement; About Parallel Interface - Omron FZ3 Series User Manual

"NG (memory shortage)" is displayed in the "Detail result" area
Does the number of specific processing items, such as camera image input, exceed the limit?
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Reference:
In [Image display] of the Control area, "Image mode", "Positions" and "Sub image" can not be changed.
Is the "Detail result" area active?
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8
Reference:

For Measurement

Display is not updated.
Measurement is given priority when the STEP signal input interval is short or continuous
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measurement is being performed. As a result, the measurement results (overall judgment, image,
individual judgment in the flow display, detailed results) may not be updated. When continuous
measurement ends, the measurement results for the final measurement are displayed.

About Parallel Interface

Trigger signal (input signal) not accepted
Are the cables connected correctly?
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Is the signal cable disconnected?
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You can check the communication status in the Confirmation window.
Reference:
Are windows other than the Main screen (the Edit Flow window, etc.) displayed?
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Are there any setting windows open?
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* A setting window is defined as a window that opens separately such as the Edit Flow window
and the Scene Maintenance window.
Signals cannot be output to external devices
Is the trigger signal input?
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Are the cables connected correctly?
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Is the signal cable disconnected?
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You can check the communication status in the Confirmation window.
Reference:
260 FAQ
About Limits on the Number of Image Input Processing Items Used (p.293)
Displaying Flow and Detailed Results (p.73)
Checking Communication Status (Parallel Interface) (p.180)
Checking Communication Status (Parallel Interface) (p.180)
FZ3 User's Manual