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Mitsubishi MELSEC Q Series Reference Manual page 398

With melsec communication protocol
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Item
Symbol
Bit units
JR
Batch read
Word units
QR
Bit units
JW
Batch write
Word units
QW
Bit units
JT
Test
(random
write)
Word units
QT
Bit units
JM
Monitor
data
registration
3
(
)
Word units
QM
Bit units
MJ
Monitor
Word units
MQ
In the programmable controller CPU status column of the table above,
5 - 19
(b)
AnA/AnUCPU common commands
Command
Processing
ASCII code
Reads bit devices (X, Y, M,
4A
, 52
H
H
etc.) in 1-point units.
Reads bit devices (X, Y, M,
etc.) in 16-point units.
51
, 52
H
H
Reads word devices (D, T,
C, etc.) in 1-point units.
Writes to bit devices (X, Y,
4A
, 57
H
H
M, etc.) in 1-point units.
Writes to bit devices (X, Y,
M, etc.) in 16-point units.
51
, 57
H
H
Writes to word devices (D,
T, C, etc.) in 1-point units.
Sets/resets bit devices (X,
Y, M, etc.) in 1-point units
4A
, 54
H
H
by randomly designating the
devices and device number.
Sets/resets bit devices (X,
Y, M, etc.) in 16-point units
by randomly designating the
devices and device
numbers.
51
, 54
H
H
Writes to word devices (D,
T, C, etc.) in 1-point units by
randomly designating the
devices and device
numbers.
Registers the bit devices (X,
Y, M, etc.) to be monitored
4A
, 4D
H
H
in 1-point units. (
Registers bit devices (X, Y,
M, etc.) to be monitored in
16-point units. (
51
, 4D
H
H
Registers word devices (D,
T, C, etc.) to be monitored
in 1-point units.
4D
, 4A
Monitors devices with
H
H
monitor data registered.
4D
, 51
H
H
For
1,
5 WHEN COMMUNICATING USING THE A COMPATIBLE 1C FRAMES
Number of points
processed per
communication
256 points
32 words (512 points)
64 points
160 points
10 words (160 points)
64 points
20 points
10 words (160 points)
10 points
40 points
2
)
20 words (320 points)
2
)
20 points
indicates that the corresponding function is executable and
2 and
3, refer to
1,
Programmable controller CPU
1
status (
)
During RUN
During
Write
STOP
enabled
2 and
3 in Section 5.1.5.
Reference
Write
disabled
Section 5.2.2
Section 5.2.5
Section 5.2.3
Section 5.2.6
Section 5.2.4
Section 5.2.7
Section 5.2.8
Section 5.2.8
indicates it is not
executable.
5 - 19

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