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Replacement Utilizing Existing Modules; Replace A/qna (large Type) Series With Q Series; Utilize - Mitsubishi Electric Artisan MELSEC-Q Series Manual

General-purpose programmable controllers, large/small.
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3.1 Replace A/QnA (Large Type) Series with Q Series


Replacement utilizing existing modules

3.1 Replace A/QnA (Large Type) Series with Q Series
3.1.1 Utilize A/QnA (Large Type) Series QA6 B extension base unit
Solution and Benefit
• The QA6B extension base unit permits reuse of existing A (Large Type) Series modules,
minimizing wiring time.
• The system can be upgraded even if Q Series compatible modules do not exist.
The CPU can be replaced with the QCPU. An example of using a current A (Large Type) module without
modification to shorten the re-wiring man-hours is shown below.
● Instructions
(1) Only the CPU is replaced to the Q Series. The current I/O module is used.
Replace the existing A (Large Type) main base A38B to QA68B, and mount the existing module.
(2) If the module must be replaced with the Q Series, select the module and then mount on the Q Series main
base unit.
(3) Avoid changing the current I/O assignments.
(1) System configuration example
Current configuration
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After replacement
Existing A Series
Modules upgraded
from the A Series
Empty slots for replacing
to Q Series module


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