Mitsubishi Electric MELSEC IQ-R series Reference Manual page 80

■Data communication in binary code
Send the numerical value in order from the lower byte (L: bit 0 to 7) by handling 32 points unit as 4 bytes.
Ex.
When indicating ON/OFF status of 32 points from M16
C D
b7 b6 b5 b4 b3 b2 b1 b0 b15 b14 b13 b12
1 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0
to
M23 M16 M31
Ex.
When indicating the stored data of D350 (D351)
The stored value of the
request data or the
response data.
The value to
read or write.
The content of D350 indicates 56ABH
(22187 in decimal)
8 DEVICE ACCESS
78
8.1 Data to be Specified in Commands
Number of
device points
10 00 00
H H H
3 4 1
b11 b10 b9 b8 b7 b6 b5 b4 b3 b2
0 0 0 1 0 0 1 0 1 0 1 0 1 0 1 1
to to
M24 M39
A B 5
5 6 A B
Device
Data
code
90 CD 34 12 AB
H
H H H H
2 A B
b1 b0 b15 b14 b13 b12 b11 b10 b9 b8
to
M32 M47 M40
Number of Device
device points code
5E 01 00 A8 AB
H H H H H
6 0 F 1
1 7 0
The content of D351 indicates 170FH
(5903 in decimal)
0 OFF
1 ON
Data
56 0F 17
H H H
7
F