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CHAPTER6 FUNCTIONS
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6.22 H
igh Spe
ed Interr
upt F
unction
6.22.2
High
spee
d I/O r
efresh and
high
speed
buffer tr
ansfer functions
6.22.2High speed I/O refresh and high speed buffer transfer functions
High speed I/O refresh is a function that updates I/O signal data between I/O modules and intelligent function modules
and the CPU module at the specified interrupt intervals.
High speed buffer transfer is a function that updates data between intelligent function module buffer memories and
CPU module devices at the specified interrupt intervals.
(1) Setting method
Set the following in the High speed interrupt setting dialog box.
• "High speed interrupt I49 fixed scan interval"
• "High speed I/O refresh setting"
• "High speed buffer transfer setting"
Figure 6.89 High speed interrupt setting dialog box
To set ranges for the high speed buffer transfer, click here.
Set refresh ranges for X/Y.
