6.1 Use AnS (Small Type) modules as spare parts for existing A (Large Type) Series modules
Replacement utilizing spare part
6.1 Use AnS (Small Type) modules as spare parts for existing A (Large Type) Series
Production of the AnS/QnAS (Small Type) Series and MELSEC-I/OLINK is scheduled to be discontinued on
September 30, 2014.
Refer to Technical News "No. FA-D-0142" for details regarding the production discontinuation.
A-A1S module conversion adapter
It allow the use of AnS (Small type) module that A-A1S module conversion adapter with AnS (Small Type)
module is mounted on the base unit when A (Large Type) Series spare parts are not available.
• Up to three adapters per base unit can be used.
• The A-A1S module conversion adapter can also be used with the QA6 B extension base unit, refer to
"Transition from MELSEC-A/QnA (Large Type) Series to Q Series Handbook (Fundamentals)"
L(NA)08043ENG or "A-A1S Module Conversion Adapter User's Manual" IB-0800352.
• Specifications differ between the A/QnA and AnS Series modules.
For a comparison of the specifications, refer to "Transition from MELSEC-A/QnA Large Type Series to
AnS/Q2AS Small Type Series Handbook" L(NA)08064ENG.
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For mounting I/O modules
For mounting special function modules
A (Large Type) main/extension base unit,
QA6 B extension base unit
A-A1S module conversion adapter (A1ADP- )
AnS (Small Type) Series I/O, special function modules, etc.