4
-
14
4.2.3 I/O number setting example
I/O number setting examples are provided as follows.
(1) Changing the number of points of an empty slot from 16 to 32
Reserve 32 points for the currently empty slot (Slot 3) so that the I/O numbers of Slot No. 4 and later do not
change when a 32-point input module is mounted there in the future.
(a) System configuration and I/O number assignment before I/O assignment using
GX Developer
Figure 4.11 I/O number assignment (Before changing points of the empty slot)
Q38B
Q68B
32 points
32 points 32 points 32 points 32 points 16 points 32 points 32 points 32 points
32 points 32 points 16 points 32 points 32 points 32 points 32 points
0
1
2
4
5
6
7
3
X00
X20
X40
Y70
Y90
YB0
YD0
Number of I/O points
Slot number
I/O number
60
X1F
X3F
X5F
Y8F YAF YCF YEF
6F
8
9
10
12
13
14
15
11
F0
110
130
170
Y18
Y1A
Y1C
150
10F
12F
14F
17F
Y19
Y1B
Y1D
16F
Extension
1
Input module
Input module
Input module
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
Empty
Output module
Empty
Output module
Output module
Output module
Output module
Output module
Output module
Intelligent function
module
Intelligent function
module
Intelligent function
module
Intelligent function
module
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