Mitsubishi Electric MELSEC Q Series Reference Manual page 27

(2) Irregular communication (Transient transmission) (
(a) Communications with a programmable controller on another station
Using a link dedicated instruction, data can be read from or written to a programmable controller on another
station.
Communications with programmable controllers on other networks are also available.
CPU module
Command
READ
Device
1234
H
(b) Large-volume data communications
By using link dedicated instructions (READ/SREAD/WRITE/SWRITE), large-volume data communications are
achieved.
The instructions are useful for irregular and large-volume data communications.
One link dedicated instruction execution can read or write data of up to 8192 words from/to a programmable
controller on another station.
To specify 961 words or more, use channel 9 or 10 of the own station.
CC-Link IE Controller
Network module
Word device Word device
Channel 1
read request read request
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
Channel 9
Channel 10
Page 94, Section 4.2)
CC-Link IE Controller CPU module
Network module
Device
1234
CHAPTER 1 OVERVIEW
H
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