Mitsubishi MELSEC Q Series Reference Manual page 473

[Control procedure]
(Data name)
External device
side
(Example)
(Data name)
Programmable controller CPU side
(Example)
6 - 40
(4) Monitor in word units (command: 09)
The examples shown in this section explain the command/response format when
monitoring word devices and bit devices (16 point units) for which monitor data is
registered.
For more details on the order and contents of data items of the areas marked by
" " shown in the control procedure diagram, refer to Section 6.1.
Monitoring "Y50 to 5F", "D38" and "W1E" for which monitor data is registered at the
programmable controller CPU on which the E71 is loaded.
(a) Communication in binary code
L H
09 FF 0A 00
H H H H
0 1 1
Y57
REMARKS
When specifying bit devices, set the head device numbers in multiples of 16 (in
decimal, 0, 16 ...).
6 WHEN COMMUNICATING USING THE A COMPATIBLE 1E FRAMES
Data for the number
of designed device
points
Characters for the
number of device
points
L H L H L
89 00 6D E5 34 12 78
H H H H H H
H
0 1 1 0 1 1 1 1 0
to Y50 Y5F
H
56
H
Indicates the content of W1E.
Indicates the content of D38.
0 1 0 1
to Y58
6 - 40