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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
Q38B
Extension
1
Figure 4.11 I/O number assignment (Before changing points of the empty slot)
4 - 13
0
1
32 points
32 points 32 points 16 points 32 points 32 points 32 points 32 points
X00 X20
to
to
X1F X3F X5F
Q68B
8
9
32 points 32 points 32 points 32 points 16 points 32 points 32 points 32 points
F0
110
to
to
10F
12F
2
3
4
5
X40
60
Y70 Y90 YB0 YD0
to
to
to
to
to
6F
Y8F YAF YCF YEF
10
11
12
13
14
130
150
170 Y18 Y1A Y1C
to
to
to
to
to
14F
16F
17F Y19 Y1B Y1D
6
7
Slot number
Number of I/O points
to
I/O number
15
to
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