9
DEDICATED INSTRUCTIONS
9.19 J(P)/G(P).RIRD
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* 3 The extended data register of address D65536 or higher, and the extended link register of address
W10000 or higher cannot be specified.
POINT
The Arrival monitoring time and Number of resends are specified in the following
link special register (SW).
Appendix 2 Link Special Register (SW) List
• Arrival monitoring time (RIRD/RIWT instruction) (SW0009)
• Number of resends (RIRD/RIWT instruction) (SW000B)
(3) Function
(a) RIRD instruction overview
This instruction allows access to the CPU module device specified in (S)+2 and
(S)+3 of the station specified in (S)+1.
The read data are stored in the receive buffer of the CC-Link IE controller network
module.
The read data are stored in and after the device specified in (D1), and the device
specified in (D2) is set to on.
(b) Checking the execution status of the RIRD instruction
The execution status of the RIRD instruction (Executing, Normal completion, Error
completion) can be checked with the following devices specified in the setting
data.
1) Completion device (D2)
Turns ON in the END processing for the scan after completion of the RIRD
instruction, and turns OFF in the next END processing.
2) Completion status indication device ((D2)+1)
Turns ON or OFF depending on the completion status of the RIRD instruction.
• When completed normally
It remains OFF.
• When failed
It turns ON in the END processing for the scan after completion of the
RIRD instruction, and turns OFF in the next END processing.
Figure 9.145 RIRD instruction
RIRD
(S)+2
(S)+3
(D1)
CPU module
[Own station]
[Target station]
CC-Link IE controller
network module
CPU module
CC-Link IE controller
network module
Receive
buffer
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