Mitsubishi Electric MELSEC IQ-R series Reference Manual page 78

■Data communication in binary code
Send the numerical value in order from the lower byte (L: bit 0 to 7) by handling 16 points unit as 2 bytes.
Ex.
When indicating ON/OFF status of 32 points from M16
1 2
b7 b6 b5 b4 b3 b2 b1 b0 b15 b14 b13b12
0 0 0 1 0 0 1 0 1 0 1 0 1 0 1 1 1 1 0 0
M23 M16 M31
to
Ex.
When indicating the stored data of D350 and D351
The stored value of
the request data or the
response data.
The value to
read or write.
8 DEVICE ACCESS
76
8.1 Data to be Specified in Commands
Head Device
device code
10 00 00 90
H H H H
A B C
b11b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
1 1 0 1 0 0 1 1 0 1 0 0
M24 M39
to to
A B 5
5 6 A B
The content of D350 indicates 56ABH
(22187 in decimal)
The device point value becomes "02" in 16-points units.
Number of
device
Data Data
points
02 00 12 AB CD 34
H H H H H H
D 3 4
b15 b14 b13b12 b11b10 b9 b8
M32 M47 M40
to
Head Device Number of
device code device points Data
5E 01 00 A8 02 00 AB
H H 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