Mitsubishi Electric MELSEC Q Series User Manual page 231

(4) Message communication
The message communication function (Page 221, Section 13.3.1) can be used by the C Controller module
via the controlled CC-Link IE Controller Network module.
Remark
For accessible range, refer to the following.
Page 366, Section 22.5
(a) Number of channels and Internal buffer for message reception
Up to 8 channels can be used for message communication by the CC-Link IE Controller Network module, and
the capacity of the internal buffer for message reception is for 4 modules.
Sending side
CC-Link IE Controller
C Controller module
Network module
User program
ret = QBF_SEND();
or
ret = mdSendEx();
CHAPTER 13 FUNCTIONS ACCESSED VIA A NETWORK MODULE
CC-Link IE Controller
Network module
Channel 1
Channel 1
Channel 2
Channel 2
Channel 3
Channel 3
Channel 4
Channel 4
Channel 5
Channel 5
Channel 6
Channel 6
Channel 7
Channel 7
Channel 8
Channel 8
Network No.1
Receiving side
C Controller module (other station)
User program
Internal buffer for
message reception ret = QBF_RECV();
or
1st
ret = mdReceiveEx();
2nd
127th
128th
13
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