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7.3 Base Unit Assignment (Base Mode)
7
I/O NUMBER ASSIGNMENT
2) When the set number of slots is less than the number of slots used on the base
unit
The slots after the set quantity are disabled.
For example, if the number of slots to be used is set to eight on a 12-slot base
unit, the right four slots are disabled.
Mounting a module in a disabled slot causes an intelligent function module
assignment error (error code: 2124, SP.UNIT LAY ERR.)
Figure 7.11 When the set number of slots is less than the number of slots used on the
base unit
C Controller
module
CPU 0 1 2 3 4 5 6 7 8 9 10 11
Q312B
Power supply
module
Slot number
Modules can be
installed. (In 8-slot
setting)
Modules cannot be installed.
(Installing modules will result in error.)
Disabled
Disabled
Disabled
Disabled
Main base unit
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