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(b) RECVS instruction execution timing
Set the RECVS instruction as an interrupt condition. (
When data are stored in the own station's channel, the interrupt program starts and executes the RECVS
instruction.
The RECVS instruction is completed within 1 scan.
• When completed
Sequence scan
Start contact
Sending station's CPU
Completion device
(Device specified in (D1))
Completion status
indication device
(Device of (D1)+1)
Network module
Master/local module
Interrupt program
Sequence scan
Own station CPU
Receive data
storage device
(Device specified in (D1))
Page 111, Section 7.6 (3))
SEND
(With arrival confirmation)
0
END
0
OFF
Channel 1
Sending
data
Channel 2
END
0
END
1 scan completed
CHAPTER 10 DEDICATED INSTRUCTIONS
END
0
END
0
END
1 scan
Stored
RECVS
IRET
END
0
END
Receive data
10
0
END
0
END
303
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Troubleshooting
