{"product_id":"mitsubishi-electric-qj71eip71-melsec-q-series-ethernet-ip-interface-module","title":"QJ71EIP71 | Mitsubishi Electric | EtherNet\/IPTM","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for seamless industrial network integration, this communication interface connects MELSEC Q Series programmable controllers directly to EtherNet\/IP networks. The \u003cstrong\u003eMitsubishi Electric QJ71EIP71\u003c\/strong\u003e enables robust cyclic tag-based data exchanges, allowing high-speed PLC-to-PLC communication across complex manufacturing systems. Note that this specific module is engineered strictly for \u003cstrong\u003etag-based communication\u003c\/strong\u003e between programmable controllers and does not support standard assembly instance communication profiles.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eDedicated EtherNet\/IP tag communication interface optimized for peer-to-peer CPU exchanges.\u003c\/li\u003e\n  \u003cli\u003eDirect backplane integration with the MELSEC Q Series base units.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in diagnostic LEDs for real-time monitoring of network status, errors, and link activity.\u003c\/li\u003e\n  \u003cli\u003eReliable hardware design suited for high-noise, continuous-duty industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eInter-PLC data synchronization across automated manufacturing cells.\u003c\/li\u003e\n  \u003cli\u003eBridging Mitsubishi Electric control environments with wider plant-level EtherNet\/IP networks.\u003c\/li\u003e\n  \u003cli\u003eProcess monitoring and distributed control architectures requiring deterministic cyclic messaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 8px; text-align: left; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; text-align: left; font-weight: bold;\"\u003eValue\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eQJ71EIP71\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProduct Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEtherNet\/IP Interface Module\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eBase Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMELSEC Q Series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInterface Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1x RJ45 Port\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTransmission Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e100 Mbps \/ 10 Mbps (Auto-negotiation)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCommunication Protocol\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEtherNet\/IP (Tag Communication only; Instance-based communication not supported)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInternal Current Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.45 A at 5V DC (supplied from rack backplane)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIf your application requires communication with external sensor manifolds, remote I\/O blocks, or third-party drives that only support Instance-based messaging (Class 1 Assembly instances), you cannot use the QJ71EIP71. Consider implementing a CC-Link IE Field Network module or using a dedicated third-party EtherNet\/IP gateway module designed for slave-device instance integration.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe QJ71EIP71 is strictly optimized for controller-to-controller data synchronization via Tag Communication. Always verify the memory capacity of the hosting Q-Series CPU, as extensive tag configurations can consume notable processing cycles and network buffer allocations during synchronous high-frequency polling.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways use Category 5e (or higher) Shielded Twisted Pair (STP) cabling in plant floor environments. High-voltage transient noise from nearby variable frequency drives can degrade packet delivery. Ensure the ground terminal (FG) on the main Q Series base unit is securely connected to a low-impedance earth ground to maintain noise immunity through the RJ45 shield connection.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e Completely de-energize the PLC base unit and all associated field power connections before inserting or removing the communication module. Failure to isolate the power supply can cause irreversible damage to the module internal circuitry, CPU backplane, and risk physical injury from unexpected system operations.\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eEnsure the MELSEC Q Series rack power is completely switched off and locked out.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAlign the lower hook of the QJ71EIP71 module with the mounting hole of the base unit slot.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003ePush the module firmly into the base unit connector until it seats flush, then tighten the top mounting screw to the specified torque rating (0.36 to 0.48 N-m).\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the industrial STP Ethernet cable into the RJ45 port until the lock tab clicks securely into place.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102136131947,"sku":"QJ71EIP71","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/qj71eip71-ylswugn0fwg.png?v=1776138005","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-qj71eip71-melsec-q-series-ethernet-ip-interface-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}