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MELSEC-AnS A1SY40/A1SY41 I/O Modules Discontinuation Notice

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This technical bulletin announces the discontinuation of the MELSEC-AnS series I/O modules A1SY40 and A1SY41, with order stoppage by August 2008 and production stoppage by September 2008. It provides a detailed specification comparison between the discontinued models and their upward-compatible replacements, A1SY40P and A1SY41P, including differences in protection functions, response times, fuse presence, and error indication.

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