Mitsubishi MELSEC Q Series Reference Manual page 472

[Control procedure]
(Data name)
External device
side
(Example)
(Data name)
Programmable controller CPU side
(Example)
6 - 39
(3) Monitor in bit units (command: 08)
The examples shown in this section explain the command/response format when
monitoring bit devices 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 "Y46", "M12" and "B2C" for which monitor data is registered at the
programmable controller CPU on which the E71 is loaded.
(a) Communication in binary code
(Data name)
External device
side
(Example)
L
08 FF 0A 00
H H H
(Data name)
Programmable controller CPU side
(Example)
(b) Communication in ASCII code
H L H -
0 8 F F 0 0
30 38 46 46 30 30 30
H H H H H H
REMARKS
If the number of device points registered to be monitored is an odd number, dummy
data (30 ) is added when the monitoring is executed. For example, if the number of
H
device points registered to be monitored is three points, data for four points is
returned. The last byte is dummy data.
6 WHEN COMMUNICATING USING THE A COMPATIBLE 1E FRAMES
H
H
Data for the number
of designed device
points
Characters for the
number of device
points
L - -
88 00 1 0 1
H H
- L
0 A
41
H H
H L
8 8 0 0
38 38 30 30
H H H
H
0
Indicates that B2C is ON.
Indicates that M12 is OFF.
Indicates that Y46 is ON.
Data for the number
of designed device
points
Characters for the
number of device
points
H - - L
0 0
1 1
31 30 31 30
H H H H H
Indicates that B2C is ON.
Indicates that M12 is OFF.
Indicates that Y46 is ON.
6 - 39