Mitsubishi Electric MELSEC IQ-R series Reference Manual page 92

Communication example (Reading bit device)
Read the value of M100 to M131 (for 2 words). (Subcommand: for MELSEC-Q/L series)
■Data communication in ASCII code
(Request data)
Subcommand
0 4 0 1 0
30 34 30 31 30
H H H H H
(Response data)
1 2
31 32
H H
1 2 3
0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
to
M115
■Data communication in binary code
(Request data)
Subcommand
Head device
number
01 04 00 00 64
H H H H H
(Response data)
34
3 4 1
0 0 1 1 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0
M107 M100 M115
to to
8 DEVICE ACCESS
90
8.2 Batch Read and Write
Device
Head device number
code
0 0 0 M 0 0
*
30 30 30 4D 2A 30 30
H H H H H H H
3 4 0 0 0 2
33 34 30 30 30 32
H H H H H H
4 0 0 0
to
M100 M131
Device
code
Number of
device points
00 00 90 02 00
H H H H H
12 02 00
H H H H
2 0 2 0
M108 M123 M116 M131
to to
Number of device points
0 1 0 0 0 0 0
30 31 30 30 30 30 30
H H H H H H H
2
0 = OFF
1 = ON
M116
0
0 = OFF
1 = ON
M124
2
32
H