Mitsubishi Electric MELSEC Q Series Handbook page 28

1
INTRODUCTION
Step 2
After replacing the existing modules mounted on the QA(1S) extension base unit with the Q series
modules, remove the QA extension base unit and QA(1S) series extension base unit.
QCPU for replacing the existing
AnS/QnASCPU
First extension base unit
Replace the existing main base
unit for AnS series module
with the QA1S extension
base unit (QA1S68B). Then,
mount the modules mounted
on the existing main base
unit to the QA1S extension
base unit (utilization).
Second or later extension bases
unit
If the first extension base unit
is AnS series, replace it with
the QA1S extension base
unit (QA1S6 B). If it is A
series, replace it with the QA
extension base unit (QA6 B).
Then, mount the modules
mounted on the existing
extension base unit (utilization).
1
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Step 1
Functions can be added
with Web server module.
Existing AnS series module
Replace all the modules
with the Q series.
Q series
Use the QA1S
extension base unit.
(QA1S68B)
Step 2
Use the QA(1S)
extension base unit.
(QA(1S)68B)
Assets such as existing
power supply modules and
I/O modules can be used.
+
Wiring change is unnecessary.
Q series