We are looking for a solution to the following problem and hope that you can name an NX partner who can help us.
An alarm should be triggered if a person crosses 2 lines in succession (A & C), but only if the same person does not cross another, 3rd line (B) in between.
So A to C results in an alarm. A to B to C does not trigger an alarm.
Does anyone have any ideas?
Thank you very much!
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