Mitsubishi Electric MELSEC iQ-R Series - Page 97

8 DEVICE ACCESS
8.2 Batch Read and Write
95
8
■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)
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
■Data communication in binary code
Access target Range
Word device Bit device Double word device
MELSEC iQ-R series module
MELSEC-Q/L series module
1 to 960 points 1 to 960 words
(1 to 15360 points)
1 to 960 words
(1 to 480 points)
MELSEC-QnA series module
Module on other station via MELSEC-QnA series network module
1 to 480 points 1 to 480 words
(1 to 7680 points)

MELSEC-A series module 1 to 64 points 1 to 10 words
(1 to 160 points)

1401
31H 34H 30H 31H
000
30H 30H 30H
0M*
30H 4DH 2AH
000
30H 30H 30H
100
31H 30H 30H
234
32H 33H 34H
7AB
37H 41H 42H
96
39H 36H
000
30H 30H 30H
2
32H
M115
2347AB96
001 0001 1010 0011 1101 0101 1100 1011 0
M100 M131 M116
0OFF
1ON
Device
code
Subcommand Head device number
Number of device points Write data
toto
01H 14H 00H 00H 64H 00H 00H 47H 23H 96H ABH90H 02H 00H
M107
472396AB
01000111001000111001011010101011
M100 M115 M108 M123 M116 M131 M124
0OFF
1ON
Device
code
Subcommand
to to to to
Number of
device points
Head device
number
Write data