MELSEC-Q Series Serial Communication Module Pre-Use Instructions
This document provides essential pre-use instructions, safety guidelines, and technical specifications for Mitsubishi MELSEC-Q series serial communication modules (models QJ71C24N, QJ71C24N-R2, QJ71C24N-R4). It covers packing lists, signal layouts for RS-232 and RS-422/485 connectors, wiring products and cable specifications, installation requirements, operating temperature ranges, and bilingual (English/French) reference tables for connector pin assignments and tightening torques.
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