416
(3) Function
(a) RECV instruction overview
Data sent by the SEND instruction from another station are read out from the specified channel to the word
devices (in and after (D1)) on the own station.
Upon completion of reading data from the specified channel of the own station, Completion device (D2) turns
ON.
(b) Checking the execution status of the RECV instruction
The execution status of the RECV instruction (Normal completion, Error completion) can be checked with the
following devices specified in the setting data.
• Completion device (D2)
Turns ON in the END processing for the scan after completion of the RECV instruction, and goes OFF in
the next END processing.
• Completion status indication device ((D2)+1)
Turns ON in the END processing for the scan after completion of the RECV instruction, and turns OFF in
the next END processing, only when the RECV instruction has failed.
(c) Operation in RECV instruction execution
• Operation of the own station
Channel 1
Channel n
Channel 8
Channel 1
Channel n
Channel 8
RECV
Writing by
SEND
CC-Link IE Controller
Network module
CPU module CPU module Network module
(D2)
[Own station]
[Sending station]
Program of own station
Completion device of
own station (D2)
Completion status
indication device ((D2)+1)
RECV instruction
RECV instruction execution Reading from channel specified in
RECV instruction completed
RECV execution request
flag (SB0030 to SB0037)
OFF
ON
ON
ON
END
processing
END
processing
END
processing
END
processing
OFF
OFF
When failed
Normal completion
1 scan
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