MELSEC iQ-R RJ71C24 Serial Communication Module Pre-Use Instructions

This document provides essential pre-use instructions for Mitsubishi MELSEC iQ-R series serial communication modules, including safety guidelines, packing list, signal layout, wiring specifications, and mounting requirements. It covers technical details for RS-232 and RS-422/485 connectors, applicable cables, solderless terminals, tightening torques, and operating temperature ranges, with bilingual English and French content.