Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

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15 NETWORK COMMON INSTRUCTIONS
15.1 Link Dedicated Instructions
• The following figure shows the execution timing of the RECVS instruction.
• The RECVS instruction is used in interrupt programs and processing is completed in a single scan.
• When the RECVS instruction is used to read receive data from the same channel, the RECV instruction (for use in the main
program) cannot be used in combination.
Operation error
• When completed successfully
• When completed with an error
Error code
((s)+1) Description
C000H to CFFFH  MELSEC iQ-R Ethernet User's Manual (Application)
D000H to DFFFH

MELSEC iQ-R CC-Link IE Field Network User's Manual (Application)
E000H to EFFFH

MELSEC iQ-R CC-Link IE Controller Network User's Manual (Application)
SEND
OFF
END 0 END 0 END 0 END 0 END 0
OFF OFF
OFF
ON
ON
OFF
END END END
IRET
0 END 0 END 0
RECVS
1 scan
(With arrival confirmation)
Channel n
Data
transmission
Storage
notification
Channel n
Sequence scan
Start contact
CPU module on
the sending
station
Completion device
(d)
Completion status
indication device
(d)+1
Network
module
Network
module
CPU module on
the own station
Interrupt program
Sequence scan
Device for storing
the receive data (d1)
Receive data
1 scan
END END END
IRET
0 END 0 END 0
RECVS
Channel n
Network
module
CPU module on
the own station
Interrupt program
Sequence scan
Completion status
(s)+1
Error code