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How to create trigger on (4) or more ENIP (UDP) protocol requests from a PLC to an AB842E absolute encoder with no responses or other packets from the AB842E to the PLC?

asked 2018-08-16 18:21:03 +0000

How do you create a trigger on a sequence of (4) or more ENIP (UDP) protocol requests from a PLC to an AB842E absolute encoder with no UDP responses or other packets from the AB842E to the PLC within 50 milli-seconds? Also, how to create a rotating ring capture file of 2,500 packets that overwrites the beginning until this trigger event occurs. Also, would like 50 additional packets after the trigger event occurs then stops the capture.

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answered 2018-08-16 19:59:56 +0000

grahamb gravatar image

Unfortunately this can't be done as there are no "stop" triggers to stop a capture, there are only filters that include a packet depending on the data in that packet.

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Asked: 2018-08-16 18:21:03 +0000

Seen: 77 times

Last updated: Aug 16