Mitsubishi Electric MELSEC Q Series Handbook page 181

5
REPLACEMENT OF BASE UNIT AND EXTENSION CABLE
(2) I/O address assignment example
The following explains assignment example to modify the program at minimum by using the QA1S6B
extension base unit and utilizing the existing AnS series module without I/O address change.
(a) System configuration example
(Existing system configuration example)
A1S3 B
Mount these
modules on the
extension base
unit.
(b) I/O assignment example of the parameter
0
1
Main base
2
unit
3
4
The program can be utilized without changing the I/O address of the existing AnS series module by the
I/O assignment above.
(System configuration example after replacement)
Replace these
modules with the
Q series modules
and mount them
on the main base
unit.
As the CC-Link master/local module, MELSECNET/10(H) network
module cannot be utilized, replace them by QCPU-compatible modules.
(Q35B side)
Number of
Type occupied Address
points
Intelligent 32 points 100
Intelligent 32 points 120
Input 32 points 140
Input 32 points 160
Output 32 points 180
Q35B
0 1 2
Modules Modules added by
displaced the replacement of the
A series QCPU
QA1S6 B
5 6 7 8
Replace the modules,
that cannot be mounted,
with Q series modules.
Model
5 A1SX41
6 A1SY41
Extension
7
base unit
8
9 A1SX41
3 4
9
(QA1S6B side)
Number of
Type occupied
points
Input 32 points
Output 32 points
Empty 32 points
Empty 32 points
Input 32 points
Address
00
20
40
60
80
5
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