Mitsubishi Electric MELSEC IQ-R series Reference Manual page 77

For word units (16-point unit for bit device)
The following shows the data to be read and written in word units.
When handling data other than bit data, refer to the following section.
Page 79 Considerations for handling real number data and character string data
■Data communication in ASCII code
Convert the 1-word(16 points of bit device) numerical value to 4-digit ASCII code (hexadecimal), and send it from the upper
digits.
Use capitalized code for alphabetical letter.
The ON/OFF status of bit device is a value of hexadecimal 1-digit in 4-point units.
Ex.
When indicating ON/OFF status of 32 points from M16
Device
code Head device
M
0 0 0 0
*
4D 2A 30 30 30 30
H H H H H
A B 1
b14 b13 b12 b11b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b15
1 0 1 0 1 0 1 1 0 0 0 1 0 0 1 0 0 0 1 1
M31 to
Ex.
When indicating the stored data of D350 and D351
Device
code Head device
D 0 0 0 3 5
*
44 2A 30 30 30 33 35
H H H H H H
The device point value becomes "0002" in 16-points units.
Number of
device points Data
B
1 6 0 0 0 2 A 1
31 36 30 30 30 32 41 42 31
H H H H H H H H H H
2 3 4 C
b15 b14 b13 b12 b11b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
0 1 0 0 1 1 0 0 1 1 0 1
M16 M47 to
Number of
device points Data
0 0 0 0 2 5 6 A B
30 30 30 30 32 35 36 41 42
H H H H H H H H H
The content of
D350 indicates
56ABH (22187 in
decimal)
Data
D
2 3 4 C
32 33 34 43 44
H H H H H
D
0 OFF
1 ON
M32
Data
1 7 0 F
31 37 30 46
H H H H H
The content of
D351 indicates
170FH (5903 in
decimal)
8.1 Data to be Specified in Commands
8 DEVICE ACCESS
75
8