RJ71SEIP91-T4 EtherNet/IP Module MELSEC iQ-R Series Industrial Communication Mitsubishi

RJ71SEIP91-T4 Ethernet/IP

SEIP91-T4 Safety Module

Mitsubishi PLC Communication

RJ71SEIP91-T4

RJ71SEIP91-T4 (SEIP91-T4) Ethernet/IP Safety Module enables secure communication and safety control in Mitsubishi PLC systems for industrial automation applications.

Specification

SEODescription

The RJ71SEIP91-T4 Ethernet/IP module is a Mitsubishi PLC communication interface designed for industrial safety applications. This SEIP91-T4 Safety Module provides seamless integration with Ethernet/IP networks, enabling real-time data exchange between Mitsubishi PLCs and safety devices. It features 16 safety input points and 16 safety output points, supporting direct connection with up to 16 safety I/O modules. The module operates within a 24 VDC voltage range and functions reliably in temperatures from 0°C to 55°C, suitable for harsh environments in automotive, manufacturing, and machinery sectors. Key advantages include high-speed safety processing, compliance with IEC 61508 SIL3 standards, and compatibility with Mitsubishi's GX Works3 software. However, its complexity requires specialized configuration expertise. The RJ71SEIP91-T4 excels in applications demanding robust safety protocols and real-time PLC communication.

SEOSpecification

Parameter	Specification
Model	RJ71SEIP91-T4
Communication Protocol	Ethernet/IP (CIP Safety)
Module Type	SEIP91-T4 Safety Module
Compatibility	Mitsubishi iQ-R Series PLC
Safety Standards	IEC 61508 SIL3, ISO 13849 PL e
Transmission Speed	100 Mbps (Full duplex)
Safety I/O Capacity	Up to 256 safety nodes
Diagnostic Functions	Connection monitoring, CRC error detection
Certification	CE, UL, cULus
Operating Voltage	DC 24V ±10%
Interface	RJ45 (2 ports for line topology)
Safety Communication Cycle	Minimum 4ms
Temperature Range	0°C to 55°C
Humidity	5% to 95% (non-condensing)

SEOQandA

question:Can I apply for low-value declaration for shipments?
answer:Low-value declaration depends on destination customs policies. Provide accurate product info for assessment.
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and other major carriers. Tracking is provided for all shipments.
question:Do you accept payment after shipping?
answer:Prepayment is standard. Terms may be negotiable for established clients with approved credit.

SEOQandA_Product

question:How to resolve RJ71SEIP91-T4 communication failure?
answer:Check network cables, IP settings, firewall configurations, and ensure PLC parameters match module settings.
question:RJ71SEIP91-T4 not detected in programming software?
answer:Verify module installation, firmware compatibility, and correct GX Works2 configuration settings.
question:How to troubleshoot RJ71SEIP91-T4 IP address conflicts?
answer:Use a unique static IP, ensure subnet matches network, and check for duplicate IPs via ping/ARP commands.
question:RJ71SEIP91-T4 timeout errors during data exchange?
answer:Adjust communication cycle settings, optimize scan time, and confirm network bandwidth/latency meet requirements.
question:How to update RJ71SEIP91-T4 firmware?
answer:Download latest firmware from Mitsubishi Electric website, use GX Works2 to upload via USB/serial connection.