D-54
FX Series PLC User's Manual - Data Communication Edition
Computer Link
7 Commands
7.3 QR Command [Reads Device Memory in 1-Word Units]
Example 2: When reading the contents of two devices from R30000 to R30001 in the PLC whose station
number is 5 (while the message waiting time is set to 0 ms)
A
C
K
0 5 F F
E
T
X
B 3
S
T
X
0 5 F F 7 B C 9 1 2 3 4
0 2 9 B
E
N
Q
0 5 F F Q R 0
This range is regarded as the
sum check target.
This range is regarded as the
sum check target.
35
H
30
H
46
H
46
H
52
H
51
H
30
H
52
H
30
H
30
H
33
H
30
H
32
H
30
H
42
H
39
H
05
H
35
H
30
H
46
H
46
H
02
H
33
H
42
H
03
H
35
H
30
H
46
H
46
H
06
H
37
H
39
H
43
H
42
H
31
H
34
H
33
H
32
H
Computer side
PLC side
R0300
30
H
0
30
H
0
Indicates that the value of R30000 is "7BC9H" (hexadecimal)
(which is "31689" in decimal).
Indicates that the value of R30001 is "1234H" (hexadecimal)
(which is "4660" in decimal).
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