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Control Data
Device
Item
Completion status
[0]
S
Station No.
[1]
S
Access code,
[2]
S
Attribute code
Buffer memory address or device No.
[3]
S
Number of read points
[4]
S
*1 :
*2 :
*3 :
(1) Buffer memory of the CC-Link module
Buffer in an intelligent device station
Buffer in a master or local station
The instruction completion status is stored.
0
Other than 0
Specify the station number of the local station and the
intelligent device station.
b15
Access code
Specify the start address of the buffer memory or the
start number of the device.
Specify the number of data to be read (in units of
words).
For details, refer to the manual for the local station or the intelligent device station from which data are
read.
When the random access buffer is specified, specify the start address of the random access buffer as 0.
The value indicates the maximum number of data to be read.
Specify the value within the buffer memory capacity of the local station or the intelligent device station, or
the receive buffer area setting range set by a parameter.
When reading device data from the programmable controller CPU other than the QCPU (Q mode),
QCPU (A mode) or QnACPU/AnUCPU, the setting range shall be 1 to 32 words.
Buffer memory
Random access buffer
Remote input
Remote output
Remote register
Link special relay
Link special register
Setting data
: Normal completion
: Error completion (error code)
b8
b7
b0
Attribute code
Access code
00
20
21
22
24
63
64
5.3 CC-Link Instruction
5.3.1 RIRD instruction
G_RIRD
Setting range
Setting side
System
–
0 to 64
User
Refer to (1)
User
and (2).
User
*1
*2
1 to 480
User
*3
1 to 32
Attribute code
H
H
H
04
H
H
H
H
H
5-81
5
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