Mitsubishi Electric Q26UD(E)HCPU User Manual page 84

(b) When the same number is set
The same extension number cannot be set for multiple extension base unit.
Main base unit
Q312B
Power supply
module
Extension base unit
Q68B
Q68B
82
CPU 0 1 2 3 4 5
CPU module
Extension stage number
setting connector
6 7 8 9 10 11
Extension 1
The same extension stage
number cannot be set!
Extension 1
Slot number