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(d) RIRD instruction execution timing
• When completed
Sequence scan
Start contact
Completion device
Own station CPU
(Device specified in (D2))
Completion status
indication device
(Device of (D2)+1)
Read data storage device
(Device specified in (D1))
Master/local module
Master/local module
Sequence scan
Target station CPU
Read data storage
device (Device specified in
(S)+2, (S)+3)
RIRD
0
END
0
OFF
Send buffer
Receive buffer
0
END
0
END
100
CHAPTER 10 DEDICATED INSTRUCTIONS
END
0
END
0
1 scan
0
END
0
END
0
10
END
0
END
100
END
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Troubleshooting
