Mitsubishi Electric QJ71DN91, User Manual

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MELSEC-Q
9 DEDICATED INSTRUCTIONS
9.4 G.DNTSRD
This instruction ensures data consistency when the CPU module reads data from the
slave function receive data area of the specified module.
Setting
data
Available device
Internal device
(system, user)
File register
Link direct device
J \
Intelligent
function module
device U \G
Index
register Zn
Constant
Others
Bit Word Bit Word K, H $
S1 — — — — —
S2 — — — — — —
S3
— — — — —
G. DNTSRD Un
G. DNTSRD
S1 S3 S2
Start contact
[Instruction
symbol]
[Execution
condition]
Setting data
Setting data Description Setting range Set by Data type
Un
Module start I/O number of the QJ71DN91 (first two digits of three-
digit I/O number)
0 to FE
H
User 16-bit binary
S1 Start address of the data to be read 0B00
H
to 0B3F
H
S2 Start device number which stores the read data — System Device name
S3 Number of read data 0 to 40
H
User 16-bit binary
Function
This instruction ensures data consistency when the CPU module reads data from the
slave function receive data area of the specified module.
Error
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
Program example
This program reads 4-point data from the Slave Function Receive Data (address:
0B00
H
~) area of the QJ71DN91 to D0 - D3 by turning on the following I/O signal and
buffer memory area.
(In this example, the QJ71DN91 is mounted on the slot 0 of the base unit with "0000
H
"
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
)