{"product_id":"lj71gf11-t2-cm-mitsubishi-cc-link-ie-field-master-local-module-melsec-l","title":"LJ71GF11-T2-CM Mitsubishi CC-Link IE Field Master Local Module MELSEC-L","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-33\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eMitsubishi LJ71GF11-T2-CM (LJ71GF11T2CM)\u003c\/strong\u003e\u003cspan class=\"citation-33 citation-end-33\"\u003e\u003cspan\u003e \u003c\/span\u003eis a high-capacity CC-Link IE Field Network master\/local station module designed specifically for the MELSEC-L Series PLC.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-32 citation-end-32\"\u003eOperating at a blistering 1 Gbps communication speed, this module integrates field devices, remote I\/O, and other controllers into a seamless, high-speed Ethernet-based network.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for data-intensive industries such as liquid crystal display (LCD) manufacturing, high-speed packaging, and complex food processing, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLJ71GF11-T2-CM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides the massive bandwidth required for real-time motion control and large-scale diagnostic data collection. By utilizing standard Category 5e (or higher) double-shielded cables, it offers a cost-effective yet industrial-grade solution for reducing network latency and maximizing total system throughput.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-31 citation-end-31\"\u003eThe LJ71GF11-T2-CM is a versatile communication hub that can be configured either as a \"Master Station\" to manage a network or as a \"Local Station\" to exchange data with other masters.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-30 citation-end-30\"\u003eIt supports a staggering 16,384 points of remote I\/O and 8,192 words of remote registers, allowing it to handle extremely complex field configurations without performance degradation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-29 citation-end-29\"\u003eThe module features a 1 Gbps transmission rate using standard Ethernet physical layers (1000BASE-T).\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIt supports flexible network topologies including line, star, and ring configurations. In a ring topology, the module provides enhanced reliability through a loop-back function, ensuring the network remains operational even if a single cable is disconnected. Note that this module requires a MELSEC-L CPU with a serial number prefix of \"13012\" or later to utilize its full high-speed functional range.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLJ71GF11-T2-CM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMitsubishi Electric\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCC-Link IE Field Network\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStation Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMaster or Local Station\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Speed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Gbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRemote I\/O Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16,384 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRemote Register\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8,192 Words\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Topology\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLine, Star, Ring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax. Stations\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e121 (including Master)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInternal Current (5 VDC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.89 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.27 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e90 x 28.5 x 116.5 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the significance of the \"CM\" suffix in this model number?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: The \"CM\" suffix typically denotes the \"Chinese Market\" or specific regional compliance version, which may include localized documentation or specific environmental certifications while maintaining identical technical performance to the standard LJ71GF11-T2.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How do I implement a Ring Topology with this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: To utilize a ring topology, connect the cables in a continuous loop and configure the \"Network Topology\" setting to \"Ring\" within the GX Works2 parameter settings. This enables the loop-back function for redundant communication paths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Why is my module not recognized by the L-Series CPU?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Ensure your CPU's serial number starts with \"13012\" or later. Older CPU revisions do not have the internal bus logic required to communicate with the high-speed CC-Link IE Field hardware.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Selection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOnly use Category 5e or higher STP (Shielded Twisted Pair) cables that are specifically rated for 1000BASE-T.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-28 citation-end-28\"\u003eFor industrial environments with high EMI (Electromagnetic Interference), double-shielded cables are highly recommended to prevent packet loss at 1 Gbps speeds.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Planning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIf using a star topology, the network requires an industrial-grade switching hub that supports 1 Gbps. For mission-critical applications, the ring topology is preferred as it eliminates the switching hub as a single point of failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-27\"\u003e\u003c\/span\u003e\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e\u003cspan class=\"citation-27 citation-end-27\"\u003e\u003cspan\u003e \u003c\/span\u003eThe LJ71GF11-T2-CM consumes 0.89 A of internal current, which is relatively high for an L-Series module.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eEnsure that the total current consumption of all modules on the branch does not exceed the power supply unit's (PSU) capacity, and maintain proper ventilation gaps in the control cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102230765931,"sku":"LJ71GF11-T2-CM","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/lj71gf11-t2-cm-q3qy5effm40.png?v=1776137802","url":"https:\/\/www.plcprotech.com\/products\/lj71gf11-t2-cm-mitsubishi-cc-link-ie-field-master-local-module-melsec-l","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}