7
I/O NUMBER ASSIGNMENT
7
- 5
7.2 Connecting Extension Base Units and Setting the Number of Stages
(b) Duplicated extension stage number setting
The same extension stage number cannot be assigned to more than one
extension base unit.
Main base unit
Q312B
CPU
0
Power supply
C Controller module
module
Extension base unit
Q68B
Q68B
Figure 7.4 Duplicated extension stage number setting
1
2
3
4
5
6
7
Extension 1
Extension 1
Extension stage number
setting connector
8
9
10
11
Slot number
The same extension stage
number cannot be set!