G.dntsrd - Mitsubishi Electric QJ71DN91 User Manual

9 DEDICATED INSTRUCTIONS

9.4 G.DNTSRD

Setting Internal device
data (system, user)
Bit Word
—
S1
S2 —
—
S3
[Instruction [Execution
symbol] condition]
G. DNTSRD
Setting data
Setting data
Module start I/O number of the QJ71DN91 (first two digits of three-
Un
digit I/O number)
S1 Start address of the data to be read
Start device number which stores the read data
S2
S3 Number of read data
Function
Error
Program example
9 - 5
This instruction ensures data consistency when the CPU module reads data from the
slave function receive data area of the specified module.
Link direct device
File register
Bit
Start contact
Description
This instruction ensures data consistency when the CPU module reads data from the
slave function receive data area of the specified module.
OPERATION ERROR occurs in the following cases:
• When the name of dedicated instruction is not set correctly
• When a value which is out of setting range is set in setting data
This program reads 4-point data from the Slave Function Receive Data (address:
0B00 ~) area of the QJ71DN91 to D0 - D3 by turning on the following I/O signal and
H
buffer memory area.
(In this example, the QJ71DN91 is mounted on the slot 0 of the base unit with "0000
set to start I/O No.)
• I/O Communicating (X01)
• Data consistency dedicated instruction setting status for slave function (address: bit
1 of 0634 )
H
Available device
Intelligent
J \ function module
Word device U \G
—
—
—
G. DNTSRD Un
0B00
Index Constant
register Zn
K, H
—
— —
—
S1 S2
Setting range Set by
0 to FE
H
User
to 0B3F
H H
— System
0 to 40 User
H
MELSEC-Q
Others
$
— —
— —
— —
S3
Data type
16-bit binary
Device name
16-bit binary
"
H
9 - 5