Connecting Extension Base Units And Setting No. Of Stages - Mitsubishi MELSEC-Q Series User Manual

6
I/O NUMBER ASSIGNMENT

6.2 Connecting Extension Base Units and Setting No. of Stages

The model, Q5 B or Q6 B is available as the extension base unit.
The Q6 RB and QA1S6 B are not to be used.
(1) Extension stage number setting and setting order
When using extension base units for extension, set the extension stage numbers with
the stage number setting connectors on the extension base units.
Set the extension stage numbers in order of connection, starting from the extension
base unit connected to the main base unit.
Power supply
module
Main base unit
Q312B
CPU 0 1 2 3
C Controller module
Extension base unit
Q68B
12 13 14 15 16 17
Q68B
20 21 22 23 24 25
Q68B
28 29 30 31 32 33
Figure 6.2 Extension stage number setting and setting order
6.2 Connecting Extension Base Units and Setting No. of Stages
4 5 6 7 8 9 10
Extension 1
18 19
Extension 2
26 27
Set extension stage numbers in
order of extension base unit setting.
Extension 3
34 35
Extension stage number
setting connector
Slot number
11
6
1
2
3
4
5
6
7
8
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