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Replace Main Base Unit With Q Series And Use Existing Extension Base Unit And Modules In It (use Qa1s Conversion Adapter) - Mitsubishi Electric Artisan MELSEC-Q Series Manual

General-purpose programmable controllers, large/small.
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3.2.2 Replace main base unit with Q Series and use existing extension base unit and modules in it
(use QA1S conversion adapter)
Solution and Benefit
It is possible to replace the modules including the CPU on the main base unit with Q Series
modules and use the existing input/output modules and extension base unit.
This can reduce the working hours for drilling and wiring modification.
Existing modules
AnS Series
modules
AnS Series
modules
List of Q-AnS base unit conversion adapters
Product name
Q-AnS base unit conversion adapter
Tip
1. The extension base unit equipped with QA1S6ADP must be installed in the first extension stage.
Since QA1S6ADP does not have an extension cable connector (OUT), it cannot be connected to the base
unit in the second extension stage or higher.
Therefore, when QA1S6ADP is used, the system consists of 2 base units, Q Series main base unit and
AnS extension base unit equipped with QA1S6ADP.
To replace only the CPU with Q Series, it is required to use the QA1S extension base unit. Refer to Item
3.2.1.
2. When the existing A/AnS Series modules are used, the program can be used without changing the
existing I/O addresses through I/O assignment by parameters.
For the detailed procedures for setting the I/O addresses through I/O assignment, refer to Section 3.3.
3. The AnS extension base unit equipped with QA1S6ADP can be used with a high performance model
QCPU or universal model QCPU (the first 5 digits of the serial number must be "13102" or later).
The modules which can be installed in the AnS extension base unit equipped with QA1S6ADP are the
same as those installed in the QA1S extension base unit. For details, refer to "Transition from MELSEC-
AnS/QnAS (Small Type) Series to Q Series Handbook (Fundamentals)."
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3.2 Replace AnS/QnAS (Small Type) Series with Q Series
Replacement
step 1
Q Series
Replacement of
modules on main
base unit with Q
Series modules
AnS Series
Mounting of
QA1S6ADP to
extension base unit
Model
QA1S6ADP
79
Replacement
modules
Replacement of
modules on extension
base unit with Q
Series modules
step 2
Q Series
Q Series

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