When Word Device Memory Is Read Or Written - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
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6.6.2

When word device memory is read or written

In the case of word device memory, one word is expressed in 4-bit units in turn from the most significant bit in
hexadecimal.
Example 1: When indicating the contents stored in the data registers D350 and D351
5
b15 b14 b13 b12
0 1 0 1
Indicates that D350 stores "56ABH ("22187"
in decimal)".
Example 2: When indicating the contents stored in the 32-bit counter C200
1
b15 b14 b13 b12
0 0 0
*1. For indicating the current value of C200, use "CN200".
Number
Head device
of
devices
D 0 3 5 0 0 2
35
44 30 33 35 30 30 32
H H H H H H H
6 A
b11 b10 b9 b8 b7 b6 b5 b4 b3 b2
0 1 1 0 1 0 1 0 1
Head device Number
of
devices
C N 2 0 0 0 1
44 4E 32 30 30 30 31 31
H H H H H H H
2 3
b8 b7 b6 b5 b4 b3 b2
b11 b10 b9
1 0 0 1 0 0 0 1 1 0 1 0 0
Indicates that C200 stores "12345678H ("305,419,896" in decimal)".
Data Data
5 6 A B 1 7 0 F
36 41 42 31 37 30 46
H H H H H H H H
B 1 7
b1 b0 b15 b14 b13 b12 b11 b10 b9
0 1 1 0 0 0 1 0 1 1
Indicates that D351 stores "170FH ("5903"
in decimal)".
Data Data
1 2 3 4 5 6 7 8
32 33 34 35 36 37 38
H H H H H H H H
4 5 6
b1 b0 b8
b15 b14 b13 b12 b11 b10 b9
0 1 0 1 0 1 1
6 Control Procedures and Setting Methods
6.6 Transfer Data in Character Area
0 F
b8 b7 b6 b5 b4 b3 b2 b1 b0
1 0 0 0 0 1 1 1 1
*1
7 8
b7 b6 b5 b4 b3 b2 b1 b0
0 0 1 1 1 1 0 0 0
A
B
C
D
E
F
G
H
I
Apx.A
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