MELSEC iQ-R Series Base Units External Appearance Change Notice

This technical bulletin announces a change in the external appearance of MELSEC iQ-R series base units, specifically relocating the ANSI/ISA-12.12.01 indication from a separate sticker to the rating plate and altering the shape of the extension connector cover and rating plate layout. The change applies to models including R33B, R35B, R38B, R312B, and others, with no impact on general, performance, or functional specifications.