RJ71EIP91 - Mitsubishi - Products - Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

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RJ71EIP91

The RJ71EIP91 is a high-performance EtherNet/IP adapter/scanner module for Mitsubishi's MELSEC iQ-R Series PLCs. It enables seamless integration with Rockwell Automation and other EtherNet/IP compatible devices in industrial automation systems.

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Key Specifications
Parameter Specification
Model RJ71EIP91
Network Protocol EtherNet/IP (ODVA compliant)
Interface 100BASE-TX/10BASE-T (RJ45)
Max Connections 64 (32 scanner + 32 adapter)
I/O Data Size Max 32KB (total input+output)
Communication Modes Implicit Messaging (I/O), Explicit Messaging
Data Types Supported BOOL, INT, DINT, REAL, STRUCT
Power Consumption 2.6W (5V DC from base unit)
Operating Temperature 0°C to 55°C
Dimensions (W×H×D) 27.4 × 98 × 90 mm
3. Key Features
Dual-Role Functionality: Works as both Adapter (Target) and Scanner (Controller)

CIP Services Support: Class 1/3, UCMM, Originator/Target

High-Speed Communication: 1ms update cycle (depends on network load)

Tag Data Access: Direct access to PLC devices (D, M, W registers)

Built-in Diagnostics: Network status monitoring and error logging

4. Configuration
Software: GX Works3 (Version 1.035M or later)

EDS Files: Predefined for easy Rockwell PLC integration

Parameter Setting: IP address, connection parameters, tag mapping