Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 329

7 APPLICATION FUNCTIONS
Sequence scan
Read command
Read completion device
Host CPU
(device specified with (D2))
Read completion device
(device specified with (D2)+1)
Device for storing the read
clock data (device specified with (D1))
Network module
Network module
Sequence scan
Target station's CPU
Clock data
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(b) Instruction execution timing
1) Normal completion
[RTMRD instruction]
RTMRD
0 END 0
ON
OFF
OFF
OFF
0 END 0
END 0
Channel 1
END 0 END 0
Clock data
MELSEC-Q
END 0 END 0
OFF
ON
OFF
One scan
Clock data
END 0 END
END
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