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4.8 Examples of I/O Number Assignment
4
I/O NUMBER ASSIGNMENT
4.8 Examples of I/O Number Assignment
The following example shows I/O number assignment made when I/O assignment setting
is performed using GX Developer.
(1) When changing the number of points of an empty slot from 16 to 32
points:
Reserve 32 points so that the I/O numbers of Slot No. 4 and later do not change when
a 32-point input module is mounted in the currently empty slot position (Slot No. 3) in
the future. (The empty Slot No. 12 has 16 points, which do not change.)
(a) System configuration and I/O number assignment before the I/O assignment
with GX Developer
Figure 4.24 I/O number assignment (Before changing points for empty slot)
Q38B
Q68B
Input module
Input module
Input module
Empty
Output module
Output module
Output module
Output module
32
points
32
points
32
points
32
points
32
points
32
points
32
points
16
points
012 45673
X00 X20 X40 Y70 Y90 YB0 YD0
Number of I/O
points
Slot number
I/O number
60
X1F X3F X5F Y8F YAF YCF YEF6F
Intelligent
function module
Intelligent
function module
Intelligent
function module
Intelligent
function module
Empty
Output module
Output module
Output module
32
points
32
points
32
points
16
points
32
points
32
points
32
points
32
points
8 9 10 12 13 14 1511
F0 110 130 170 Y180 Y1A0 Y1C0150
10F 12F 14F 17F Y19F Y1BF Y1DF16F
Extension 1