Mitsubishi Electric MELSEC Q Series Reference Manual page 487

(d) RIRD instruction execution timing
• When completed normally
Sequence scan
Start contact
Completion device
Own station CPU
(Device specified in (D2))
Completion status
indication device
(Device of (D2)+1)
Read data storage device
(Device specified in (D1))
CC-Link IE Controller
Network module
CC-Link IE Controller
Network module
Sequence scan
Target station CPU
Read data storage device
(Device specified in (S)+2,
(S)+3)
RIRD
0 END 0
OFF
Send buffer Receive buffer
0 END 0 END
100
CHAPTER 9 DEDICATED INSTRUCTIONS
END 0 END 0
1 scan
0 END 0 END 0
END 0 END
100
END
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