Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 269

7 APPLICATION FUNCTIONS
Sequence scan
Send command
Sending station CPU
Send completion device
(Device designated in (D1))
Send completion device
(Device at (D1)+1)
Completion status
(Device at (S1)+1)
Network module
Network module
Sequence scan
RECV instruction
execution request flag
SB00A2 (For channel 3)
Receiving station CPU
Receive completion device
(Device designated in (D2))
Receive completion device
(Device at (D2)+1)
Completion status
(Device at (S1)+1)
7 - 45
2) Abnormal completion
[In case of the SEND instruction]
SEND
0 END 0
ON
OFF
OFF
OFF
Channel 1
Data
sending sending
Send error
Resend (in case of 2 times)
[In case of the RECV instruction]
Logical channel 3 (channel 3)
RECV
0 END 0 END
ON
OFF
OFF
OFF
END 0
Data Data
sending
Arrival monitoring time over
0 END
?
MELSEC-Q
END 0 END 0
OFF
ON
OFF
ON
OFF
One scan
Error code
0 END 0
ON
OFF
ON
OFF
One scan
Error code
END
END
7 - 45