Mitsubishi Electric MELSEC IQ-R series Reference Manual page 97

■Head device
Specify the head device of the consecutive devices. (Page 67 Devices)
The following devices cannot be specified.
• Long timer (contact: LTS, coil: LTC, current value: LTN)
• Long retentive timer (contact: LSTS, coil: LSTC, current value: LSTN)
• Long index register (LZ)
Page 71 Considerations when accessing long timer, long retentive timer, or long counter
Page 71 Considerations when accessing long index register
■Number of device points
Specify the number of device points to be written within the following range in word units. (Page 72 Number of device
points)
Access target
MELSEC iQ-R series module
MELSEC-Q/L series module
MELSEC-QnA series module
Module on other station via MELSEC-QnA series network module
MELSEC-A series module
For bit device, read 16-point bit device by specifying one point of "Number of device points".
Set the head device number for MELSEC-A series module with a multiple of 16.
■Write data
Specify the data to be written for the number of device points in hexadecimal. (Page 74 Read data, write data)
Communication example (Writing bit device)
Write the values to M100 to M131 (for 2 words). (Subcommand: for MELSEC-Q/L series)
■Data communication in ASCII code
Subcommand
1 4 0 1 0 0 0
31 34 30 31 30 30 30
H H H H H H H
■Data communication in binary code
Device
Subcommand
Head device
number
01 14 00 00 64 00 00
H H H H H H H
4 7 2 3
0 1 0 0 0 1 1 1 0 0 1 0 0 0 1 1 1 0 0 1 0 1 1 0 1 0 1 0 1 0 1 1
to to
M107 M100 M115 M108 M123
Device
Head device number
code
0 M * 0 0 0 1
30 4D 2A 30 30 30 31 30
H H H H H H H
code
Number of
device points Write data
90 02 00 47 23 96 AB
H H H H H H H
9 6 A B
to to
M116 M131 M124
Range
Word device
1 to 960 points
1 to 480 points
1 to 64 points
Number of device points
0 0 0 0 0 2 2 3
30 30 30 30 32 32 33
H H H H H H H H
2 3 4 7
0 0 1 0 0 0 1 1 0 1 0 0 0 1 1 1 1 0 1 0 1 0 1 1 1 0 0 1 0 1 1 0
M115 M100 M131
to
0 OFF
1 ON
Bit device Double word device
1 to 960 words 1 to 960 words
(1 to 15360 points) (1 to 480 points)

1 to 480 words
(1 to 7680 points)
1 to 10 words 
(1 to 160 points)
Write data
4 7 A B 9 6
34 37 41 42 39 36
H H H H H H
A B 9 6
0 OFF
1 ON
M116
to
8 DEVICE ACCESS
8.2 Batch Read and Write
8
95