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3.8 I/O Processing and Response Lag
3.8.1 Refresh mode
3
SEQUENCE PROGRAM CONFIGURATION AND
EXECUTION CONDITIONS
(4) Response lag
An output change lags a maximum of two scans behind an input module change
depending on the ON timing of an external contact.
Ladder examples
Diagram 3.58 When Y5E turns ON fastest
Diagram 3.59 When Y5E turns ON slowest
55
X5
Y5E
Ladder that turns the Y5E output
ON when an X5 input turns ON.
Delay time
(Minimum 1 scan)
OFF
ON
0 END END00
: Input refresh
56
External contact
OFF
ON
X5
OFF
ON
Y5E
OFF
ON
External load
CPU module
devices
: Output refresh
Delay time
(Maximum 2 scan)
OFF
ON
0 END END00
: Input refresh
56
External contact
OFF
ON
X5
OFF
ON
Y5E
OFF
ON
External load
CPU module
devices
: Output refresh
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