RJ71CN91 Mitsubishi MELSEC iQ-R CPU Module, Programmable Controller PLC, Redundant System Module

RJ71CN91

MELSEC iQ-R Module

CC-Link IE Basic Module

RJ71CN91

RJ71CN91 is a MELSEC iQ-R Module featuring CC-Link IE Basic Module functionality, enabling high-speed industrial network communication for real-time control and data exchange. Designed for reliable performance, it supports seamless integration with automation systems while offering flexible configuration options to optimize industrial applications.

Specification

SEODescription

The **RJ71CN91** is a **MELSEC iQ-R Module** designed as a **CC-Link IE Basic Module** for high-speed industrial network communication. It supports seamless integration within the MELSEC iQ-R PLC system, offering direct connectivity for up to 32 CC-Link IE Basic remote devices. The module features a built-in Ethernet port (1000BASE-T) for CC-Link IE Basic communication, enabling real-time data exchange at 1 Gbps. Operating within a voltage range of 24 VDC ±10% and a temperature range of -25°C to 75°C, it is ideal for demanding environments in automotive, manufacturing, and process automation industries. Key advantages include ultra-fast cycle times, simplified wiring, and robust noise resistance. However, it requires compatible CC-Link IE Basic devices and may involve higher initial setup complexity for large-scale networks. This module excels in applications requiring high-speed, synchronized control across distributed systems.

SEOSpecification

Parameter	Specification
Model	RJ71CN91
Module Type	MELSEC iQ-R Module (CC-Link IE Basic Module)
Network Protocol	CC-Link IE Basic
Communication Speed	1 Gbps
Maximum Stations	32 stations per network
Cable Type	Twisted pair cable or Fiber optic cable
Power Supply	5 VDC (Internal bus power)
Power Consumption	2.5 W
Operating Temperature	0°C to 55°C
Storage Temperature	-25°C to 75°C
Weight	Approx. 200 g
Mounting	Base unit installation

SEOQandA

question:Does your company have a professional product selection engineering team?
answer:Yes, we have a dedicated team ensuring high-quality industrial automation products, backed by 20+ years of expertise and 85% repeat client trust.
question:Why choose your company for purchases?
answer:As Asia's leading industrial automation trader for 20+ years, we guarantee reliable quality, proven credibility, and long-term client partnerships (85% repeat business).
question:Can you provide technical selection services?
answer:Absolutely. Our expert engineers offer tailored technical guidance to optimize product selection, ensuring efficiency and compatibility for your needs.

SEOQandA_Product

question:RJ71CN91 fails to establish network connection.
answer:Verify physical connections (cables, ports), check IP settings, and ensure compatible network devices (switches/routers).
question:Intermittent communication drops with RJ71CN91.
answer:Replace cables with shielded Cat6, minimize EMI sources, and optimize network traffic load.
question:RJ71CN91 configuration parameters mismatch.
answer:Use GX Works3 to validate node numbers, baud rates, and download corrected parameters to the module.
question:RJ71CN91 firmware causes compatibility issues.
answer:Download latest firmware from Mitsubishi's support site and follow official update procedures.
question:RJ71CN91 status indicators show abnormal patterns.
answer:Refer to the manual's LED codes, check power stability, and diagnose via GX Works3 network diagnostics.