• The AJ71UC24 and A1SJ71UC24-R2/A1SJ71UC24-R4 have the same buffer memory address and
transmission X/Y address assignment for the No-protocol mode.
Therefore, it is not required to modify the program if the module set to the No-protocol mode is mounted on
the same slot as the existing module.
• The module set to the Dedicated protocol mode does not require a programmable controller program. Also,
the external device connected to this module can communicate regardless of its slot address-changing the
address does not affect communication.
However, when the "On-demand function" is used, it is required to modify the program due to changes in the
designated address for the "TO instruction" and handshake X/Y address.
Power supply module
Product name
CPU module
Computer link module
Output module
Input module
A-A1S module conversion adapter (for A1S)
Main base unit
Existing module
Replacement module
A61P
A3ACPU
AJ71UC24
N/A
AX41
A35B
-
-
1
2
AY41
Utilize existing module
Utilize existing module
A1SJ71UC24-R2
A1ADP-SP
Utilize existing module
Utilize existing module
Utilize existing module
-
-
-
1
1
1
1
A1SJ71UC24-R4
-
1
2
1
●
Module selection example (when two channels are used)
Tip
6.2 Use Q Series modules with AnS/QnAS Series utilizing AnS-Q module conversion
adapter
Solution and Benefit
●
Example of configuration with AnS-Q module conversion adapter
Failure
AnS-Q module conversion
adapter (body)
Q Series
extension cable
Q Series module
to be newly mounted
AnS-Q module conversion
adapter (base)
Replacement of
defective module
(1) Model list
Product name
Model
AnS-Q conversion module adapter
A1SADP-Q SET1
(Set of body and 1-slot base)
Body
A1SADP-Q
Base
A1SADP-Q51B
AnS-Q conversion module adapter
A1SADP-Q SET2
(Set of body and 2-slot base)
Body
A1SADP-Q
Base
A1SADP-Q52B
Q Series extension cable
QC05B, QC06B, QC12B, QC30B
1. The existing AnS module and the newly mounted Q Series module may differ in part of the specifications
or may not be program compatible. Reconfirm the specifications, or reexamine the program.
2. When an existing AnS module is replaced with a Q Series module, the existing wiring of the AnS module
can be used by using a conversion adapter manufactured by MEE. However, conversion adapters with
fixing mounts cannot be used.
For details, refer to
"
Transition from MELSEC-AnS/QnAS (Small Type) Series to Q Series Handbook
(Fundamentals).
"
Tip
In case of a failure of AnS (Small Type) module, even if a spare of the module is not available, the
repair work can be completed quickly by replacing only the defective module with an equivalent Q
Series module.
127
6.2 Use Q Series modules with AnS/QnAS Series utilizing AnS-Q module conversion adapter
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