Mitsubishi MELSEC-Q Series User Manual page 284

APPENDIX
Appendix 2.5 RIFR instruction
Internal device
Set data (System, user)
Bit
n1
n2
(D) —
n3
[Instruction [Execution
symbol] condition]
RIFR
RIFR
Device
Un Start I/O number of the module
Intelligent device station number
n1
Random access buffer specification
The offset value of the automatic update buffer of the intelligent
n2 device station specified by the master station or the random
access buffer.
(D) Start number of the device to which read data is to be stored.
n3 Number of points to read
1: The value set in the station information settings of the network parameters of the GX Developer.
2: No processing will be performed when set to "0".
App - 23
The RIFR instruction reads the data from the automatic update buffer of the specified
station.
MELSECNET/H
File Direct J \
register
Word Bit
Command
Command
Description
Usable devices
Special
function
module
Word
U \G
—
—
—
—
G.RIFR Un n1
GP.RIFR Un n1
Set data
Between 0 and parameter
Within the range of the
MELSEC-Q
Index Constant
register
Z
K, H
—
n2 (D)
n2 (D)
Setting range
0 to FE
H
1 to 64
FF
H
1
setting value
specified device
2
0 to 4096
Other
S
— —
— —
— —
— —
n3
n3
Data type
Binary 16 bits
Device
Binary 16 bits
App - 23