Delta AS Series Programming Manual page 501

AS Ser ies Pro gra mm in g M anu al
17. When the PLC executes the instruction and the state of the initial input is ON, the falling-edge trigger corresponds
to the odd numbers of the head index value, and the rising-edge trigger corresponds to the even numbers of the
head index value.
18. When the PLC executes the instruction, it does not clear the values in the accumulated area and the index areas. If
the data is in a latched area and needs to be enabled again, use the ZRST instruction to clear the values in the head
and tail indexes.
Example
Refer to the example in the YOUT instruction (API 0710) for more information.
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6 - 2 2 2