Buffer Memory; Buffer Memory Assignment - Mitsubishi MELSEC-Q series User Manual

3
SPECIFICATIONS
3.4

Buffer Memory

3.4.1

Buffer memory assignment

Table 3.6 indicates the buffer memory assignment of the Q66DA-G.
Address
Hexadecimal Decimal
0 0
H
1 1
H
2 2
H
3 3
H
4 4
H
5 5
H
6 6
H
7 7
H
to to
A 10
H
B 11
H
C 12
H
D 13
H
E 14
H
F 15
H
10 16
H
11 17
H
12 18
H
13 19
H
14 20
H
15 21
H
16 22
H
17 23
H
18 24
H
19 25
H
1A 26
H
to to
2D 45
H
2E 46
H
2F 47
H
30 48
H
31 49
H
To to
34 52
H
Do not write data from system area or sequence program to the buffer memory
area where writing is disabled.
Doing so may cause malfunction.
Table3.6 Buffer memory assignment (1/3)
Description
D/A conversion enable/disable setting
CH1 Digital value
CH2 Digital value
CH3 Digital value
CH4 Digital value
CH5 Digital value
CH6 Digital value
System area
CH1 Set value check code
CH2 Set value check code
CH3 Set value check code
CH4 Set value check code
CH5 Set value check code
CH6 Set value check code
System area
Error code
Setting range (CH1 to CH4)
Setting range (CH5, CH6)
Offset/gain setting mode
Offset specification
Offset/gain setting mode
Gain specification
Offset/gain adjustment value specification
Offset/gain range setting
System area
Rate control enable/disable setting
Warning output setting
Warning output flag
System area
*1 This is the initial value set after the power is turned on or the programmable controller CPU is reset.
*2 Indicates whether reading from and writing to a sequence program are enabled.
R : Reading enabled W : Writing enabled
Default *1
003F
H
0
0
0
0
0
0
-
0
0
0
0
0
0
-
0
0
0
0
0
0
0
-
003F
H
003F
H
0
-
3.4 Buffer Memory
3.4.1 Buffer memory assignment
1
2
3
Read/write *2
R/W
R/W
4
R/W
R/W
R/W
R/W
R/W
-
5
R
R
R
R
R
R
-
6
R
R
R
R/W
R/W
R/W
7
R/W
-
R/W
R/W
R
8
-
3
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