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4.3 Installing Extension Base Units and Setting the Number of Stages
4
I/O NUMBER ASSIGNMENT
(c) When connector pins are inserted into two or more positions or no
connector pin is inserted
Extension base units cannot be used with connector pins inserted in two or more
positions.
Also, they cannot be used without connector pins being inserted.
Figure 4.7 When connector pins are inserted into two or more positions or no connector pin is
inserted
Power supply
module
CPU module
Extension 1
Main base unit
Slot number
CPU
0
1
2
3
4
5
6
7
8
9
10
11
Extension 2
Extension base unit
Q312B
Q68B
Q68B
Connector pin must be inserted!
Connector pins must not be
inserted in 2 or more positions!