50
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The time interval for executing IORF(97) must be a minimum of 20 ms.
Normal I/O refresh
Normal I/O refresh
IORF(97)
IORF(97)
Normal I/O refresh
(End refresh)
(End refresh)
(I/O refresh instruction)
(I/O refresh instruction)
(End refresh)
20 ms min. (cycle time)
20 ms min.
20 ms min.
20 ms min.
Programming