Bblkrd - Mitsubishi Electric Melsec Q Series User Manual

8
DEDICATED INSTRUCTIONS
8.2 G. BBLKRD
Internal device
Set data
(System, user)
Bit
n1
D
n2
[Instruction [Execution
symbol] condition]
G. BBLKRD
Set data
Set data
QJ71PB92V module start I/O number
Un
Upper 2 digits of the I/O number in 3-digit notation
n1 Start address of reading data
Start No. of the device to which read data are stored
D
n2 Number of read data
Function
This instruction allows data reading from the buffer memory of a specified module with
data consistency ensured.
Error
An operation error occurs in the following instances. (Error code: 4101)
Table8.3 Device Usable in the BBLKRD Instruction
Link direct device
File
J
register
Word Bit
Command
Figure 8.3 BBLKRD Instruction
Table8.4 Set Data in the BBLKRD Instruction
Description
• When a value outside the setting range is set to the set data field
• When the size, which is obtained by adding the number of read data to the start
address of reading data, exceeds the buffer memory size
• When the points available for the start address of reading data or after is less
than the number of read data
8.2 G. BBLKRD
Usable device
Intelligent
function
\
module device
Word
U \G
G.BBLKRD Un
Setting range
0 to FE
Specified device range
Specified device range
1 to 4096 (word)
Index
Constant
register
Other
K, H
Z
n1 n2
D
Data type
H
BIN 16 bits
Device name
BIN 16 bits
1
2
3
4
5
6
7
8
8
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