Keyence IV Series Bedienungsanleitung PDF herunterladen (Seite 49)

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- IV Series User’s Manual (Field Network) -

Operating procedure of the cyclic communication



When a trigger is unsuccessful

Trigger request

Result of A

Warning No.

A CB

A C

Result of C

Trigger response

Trigger failed

BUSY

Imaging status

Result update complete

Result available

Result No.

Warning

Overall judgment

Warning No.

(1) Execute a [Trigger request]. (0 → 1)

(2) If the trigger is valid, [Trigger response] will change from 0 to 1.

(3) [BUSY] will change from 0 to 1 when a trigger is input.

(4) [BUSY] will change from 1 to 0 when the judgment process ends.

The [Result update complete] BIT will be switched at this time; and [Overall judgment] will be updated.

(5) If you wish to output trigger errors, set the trigger error option to [Enabled].

If a trigger has been input while the trigger error option is set to [Enabled] and the unit is in “BUSY”

status, [Trigger failed] will change from 0 to 1 ignoring the trigger input. No judgment process will be

performed for trigger B.

(6) If the trigger input is unsuccessful, [Warning] will switch from “0” to “1” and [Warning No.] will be

updated to “65”. For details, refer to “Warning code list” (Page 3-23).



[Result update complete] will switch to “1” if its value was “0” after the previous judgment update (or

from “0” to “1” if the previous value was “1”).



[Result available] will switch from 0 to 1 at the timing when the rst judgment process has been

conrmed; and the new value will be retained thereafter.



[Result No.] will be counted up each time the status result is updated. The upper limit value is 32767. If

the maximum value is exceeded, it will go back to 0 and start counting up again.



[Result No.] will also count the judgment process counts that were skipped due to the cyclic frequency

setting.



[Busy] and [Imaging] may be skipped in some cyclic frequency settings. It is therefore necessary to take

the imaging condition into consideration when setting the cyclic frequency.



[Number of trigger errors] will be counted up at the timing when the [Result updated] BIT is switched.

Cyclic communication

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 109 110

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