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FX Series PLC User's Manual - Data Communication Edition
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Important point
The WR command handles data in 1-word units. When reading thirty-two devices from X040 to X077, specify
the number of device points as "02" (One point specifies 16 devices.)
Example 2: When reading the present value of two devices from T123 and T124 in the PLC whose station
number is 5 (while the message waiting time is set to 0 ms)
E
N
Q
Computer side
05
PLC side
A
C
K
06
D-52
0 5 F F W R 0
T N 1 2 3
30
35
46
46
57
52
30
54
4E
H
H
H
H
H
H
H
H
H
H
This range is regarded as the
sum check target.
0 5 F F
30
35
46
46
H
H
H
H
H
7.2 WR Command [Reads Device Memory in 1-Word Units]
0 2 6 4
31
32
33
30
32
36
34
H
H
H
H
H
H
H
S
T
0 5 F F
X
02
30
35
H
H
Indicates that the current value of T123 is "7BC9H
(hexadecimal) (which is "31689" in decimal).
Indicates that the current value of T124 is "1234H
(hexadecimal) (which is "4660" in decimal).
This range is regarded as the
sum check target.
7 B C 9
1 2 3 4
46
46
37
42
43
39
31
32
33
H
H
H
H
H
H
H
H
H
7 Commands
E
T
B 3
X
34
03
42
33
H
H
H
H
H
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