Mitsubishi Electric Q12DCCPU-V - Page 198

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5.4 CC-Link IE Controller Network Module Access Function
5.4.2 Link device access
5
ACCESS VIA NETWORK MODULES
(c) Link device refresh
Data are refreshed between the link devices and internal link device buffers in the
specified link device refresh cycles and with refresh parameters set in CC IE
Control utility.
( Page 5-48, Section 5.4.4)
This refresh is performed in the area ranges that are set by refresh parameters
and also set in Network range assignment in the <<Parameter settings>> tab of
CC IE Control utility.
POINT
An internal link device buffer, which is not used for link device refresh, can be
utilized as an internal memory of a user program.
Figure 5.42 Link device refresh range
C Controller module
Range to be
actually
refreshed
Applicable
as internal
memory
Applicable
as internal
memory
Applicable
as internal
memory
Link device
refresh
Link device
refresh
Link device
refresh
CC-Link IE controller network module
Network range
assignment parameter
(Empty)
Station
No.2
Station
No.3
Station
No.1
(Empty)
Range set by
network range
assignment
Internal link
device buffers
Range set by
refresh
parameters