Mitsubishi QCPU (Q Mode) User Manual

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MELSEC-Q
7 FUNCTION
7.20.2 High speed I/O refresh, high speed buffer transfer
High speed I/O refresh is a function that updates I/O signals between the I/O and
intelligent function modules and CPU module at interrupt cycle intervals.
High speed buffer transfer is a function that updates data between the intelligent
function module buffer memories and CPU module devices at interrupt cycle intervals.
(1) To execute this function, set "High speed interrupt I49 fixed scan interval" that was
set in Section 7.20.1 and "High speed I/O regresh setting" and "High speed buffer
transfer setting".
• High speed I/O refresh setting
Set the X/Y refresh ranges.
Choose here when setting
the high speed buffer
transfer ranges.
• High speed buffer transfer setting
Set the buffer memory
transfer ranges.
POINT
It is recommended to mount the target modules of this function on the main base.
(Access time to modules mounting on the main base is shorter than that on the
extension base.)

Mitsubishi QCPU (Q Mode) Specifications

General

Brand	Mitsubishi
Model	QCPU (Q Mode)
Category	Controller
Language	English