Mitsubishi MELSEC Q Series Reference Manual page 508
With melsec communication protocol
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Also See for MELSEC Q Series:
- Programming manual (1296 pages) ,
- User manual (814 pages) ,
- Structured programming manual (268 pages)
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APPX - 12
[Designation-4]
a)
Accessing the following device memory
• Device number : Internal relay (M)
(Designation method when performing data communication in ASCII code)
(Data name)
External device
side
H
L
H
-
-
L
(Example)
0
0
8
1
0
0
30
30
38
31
30
30
30
H
H
H
H
H
H
(Designation method when performing data communication in binary code)
(Data name)
External device
side
L
H
L
H
L
-
(Example)
81
00
03
40
C8
00
00
H
H
H
H
H
H
b)
Accessing the following device memory
• Device number : Data register (D)
(Designation method when performing data communication in ASCII code)
(Data name)
External device
side
H -
-
L
H
L
(Example)
O
0
8
0
0
0
30
30
38
30
30
30
30
H
H
H
H
H
H
(Designation method when performing data communication in binary code)
(Data name)
External device
side
L
H
L
H
L
-
(Example)
80
00
04
40
64
00
00
H
H
H
H
H
H
designated by
M200 + Z3
H
-
L
H
L
H
-
-
-
-
H
-
-
L
0
0
0
M
0
0
0
2
0
0
0
0
0
30
30
30
30
30
30
40
2A
30
30
30
32
30
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H L
H
(M)
90
00
00
00
00
00
H
H
H
H
H
H
H
designated by D100
+ Z4
H
-
-
L
H
-
L
H
L
H
-
-
-
-
0
0
0
0
0
0
0
D
0
0
0
1
0
30
30
30
30
30
30
44
2A
30
30
30
31
30
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
L
H
(D)
A8
00
00
08
00
00
H
H
H
H
H
H
H
: Access in bit units
L
H
-
L
0
Z
0
3
30
5A
30
33
H
H
H
H
H
: Access in word
L
H
-
L
0
Z
0
4
30
5A
30
34
H
H
H
H
H
APPENDICES
units
APPX - 12
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