I/O Number Assignment; I/O Number Of Base Unit - Mitsubishi MELSEC-Q Series User Manual

6

I/O NUMBER ASSIGNMENT

6.5 I/O Number Assignment

6.5.1 I/O number of base unit

The C Controller module assigns I/O numbers at power-on or reset.
Figure 6.14 shows an example of the I/O number assignment when the base unit is set in
Auto mode without I/O assignment.
Extension 1
Extension 2
The above example assumes that the I/O points of the intelligent function module are 32
points.
The number of I/O points changes depending on the intelligent function module.
Check the number of I/O points in the manual of the used intelligent function module
before assignment.
POINT
Q35B (5 slots occupied)
CPU
0
Assignment order
16
Number of slot points
points points
Q65B (5 slots occupied)
5 6
Assignment order
32 32
Number of slot points
points points
Q65B (8 slots occupied)
10 11
Assignment order
16 16
Number of slot points
points points
Figure 6.14 I/O number assignment example
The C Controller module can control the system even if I/O numbers have not
been assigned on the C Controller setting utility.
1 2 3 4
The slot numbers next to the
last slot number of the main
base unit are assigned to the
1st extension base unit .
Allocate the I/O number with
16 32 16 64
the I/O points of each slot
points points points
7 8 9
The slot numbers next to the last
slot number of the 1st stage's
extension base unit are assigned to
the 2nd extension base unit .
Empty slot points set on the <<System
16 16 16
setting>> tab of the C Controller setting
points points points
utility. (Default: 16 points)
12 13 14 15 16 17
32 32 32 16 16 16
points points points points points points
X 0 to F : Input module
Y 0 to F : Output module
0 to F : Intelligent function module
6.5 I/O Number Assignment
6.5.1 I/O number of base unit
Slot number
I/O number
I/O number assignment order
Number of I/O points
6
- 14
1
2
3
4
5
6
7
8