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MELSEC-L LJ71C24/LJ71C24-R2 Serial Communication Module User Manual

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This document provides essential pre-use instructions, safety guidelines, and technical specifications for the MELSEC-L series serial communication modules (LJ71C24 and LJ71C24-R2). It covers packing list items, signal layouts for RS-232 and RS-422/485 connectors, wiring products and recommended cables, installation requirements, operating temperature range, and connector/terminal block specifications.

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