Mitsubishi Q00JCPU User Manual page 154

4
I/O NUMBER ASSIGNMENT
(2) Precautions for extension stage number setting
4
4.3 Installing Extension Base Units and Setting the Number of Stages
- 6
(a) Extension stage number setting order
Set the extension stage numbers consecutively.
If any extension stage number is skipped in the auto mode(
base unit assignment, 0 slot is set to the skipped stage and the number of empty
slots does not increase.
Main base unit
Q312B
CPU 0
Power supply
CPU module
module
Extension base unit
Q68B
12 13
Q68B
0 0
Q68B
20 21
Diagram 4.5 Number of slots when extension stage number is skipped
1 2 3 4 5 6 7
14 15 16 17 18 19 Extension 1
Extension 2
0 0 0 0 0 0
22 23 24 25 26 27 Extension 3
Section 4.4(1))of
8 9 10 11
Slot number
Skipped
stage number