Mitsubishi Electric MELSEC IQ-R series Reference Manual page 79

For double word unit (32-point unit for bit device)
The following shows the data to be read and written in double word units.
■Data communication in ASCII code
Convert the 2-word numerical value (32 points of bit device) to 8-digit ASCII code (hexadecimal), and send it from the upper
digits.
Use capitalized code for alphabetical letter.
The ON/OFF status of the bit device is 1-digit hexadecimal value in 4-point units.
Ex.
When indicating ON/OFF status of 32 points from M16
Device
code Device number
M
0 0
*
4D 2A 30 30
H H H H
A B 1
b15 b14 b13 b12 b11b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
1 0 1 0 1 0 1 1 0 0 0 1 0 0 1 0 0 0 1 1
M47
to
Ex.
When indicating the stored data of D350 (D351)
Device
code Device number
D 0 0 0 3
*
44 2A 30 30 30 33 35
H H H H H H
Data
0 0 1 6 A B 1 2 3
30 30 31 36 41 42 31 32 33
H H H H H H H H H
2 3 4 C
b15b14 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
M32 M31
to
Data
5 0 5 6 A
1 7 0 F
30 31 37 30 46 35 36 41 42
H H H H H H H H H
The content of The content of
D351 indicates D350 indicates
170FH (5903 in 56ABH (22187 in
decimal) decimal)
4 C D
34 43 44
H H H
D
0 OFF
1 ON
M16
B
H
8.1 Data to be Specified in Commands
8 DEVICE ACCESS
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