{"product_id":"mitsubishi-mr-j3-11kb4-lr-22-bit-absolute-encoder","title":"Mitsubishi MR-J3-11KB4-LR | 22-bit Absolute Encoder","description":"\u003ch2\u003eMitsubishi MR-J3-11KB4-LR Servo Drive: High-Resolution Precision\u003c\/h2\u003e\n\u003cp\u003eUltimate accuracy for demanding automation. The \u003cstrong\u003eMitsubishi MR-J3-11KB4-LR\u003c\/strong\u003e is a 1.1kW servo drive featuring a 22-bit absolute encoder. It delivers exceptional positioning precision and operates on 400V AC power.\u003c\/p\u003e\n\u003ch3\u003eKey Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #9b59b6;\"\u003eUltra-High Resolution:\u003c\/strong\u003e 22-bit absolute encoder provides over 4 million positions per revolution for extreme accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #9b59b6;\"\u003eHigh Voltage Operation:\u003c\/strong\u003e Direct 3-phase 400V AC input simplifies connection to industrial power networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #9b59b6;\"\u003eFlexible I\/O:\u003c\/strong\u003e Digital I\/O, analog inputs, and pulse train inputs allow for versatile system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #9b59b6;\"\u003eActive Cooling:\u003c\/strong\u003e Forced air cooling ensures consistent performance during continuous, demanding cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #9b59b6;\"\u003eRobust Environment:\u003c\/strong\u003e Operates in a wide humidity range (10-90% RH) and temperatures from 0°C to 55°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Mitsubishi Electric\u003cbr\u003e\u003cstrong\u003eFull Model:\u003c\/strong\u003e MR-J3-11KB4-LR\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e MELSERVO-J3 Series Servo Drive\u003cbr\u003e\u003cstrong\u003eRated Output Power:\u003c\/strong\u003e 1.1 kW (1100 Watts)\u003cbr\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 3-phase 400V AC, 50\/60 Hz\u003cbr\u003e\u003cstrong\u003eEncoder System:\u003c\/strong\u003e High-Resolution 22-bit Absolute Encoder\u003cbr\u003e\u003cstrong\u003eControl Modes:\u003c\/strong\u003e Position, Speed, Torque Control (typical for series)\u003cbr\u003e\u003cstrong\u003eInputs\/Outputs:\u003c\/strong\u003e Digital I\/O, Analog Inputs, Pulse Train Inputs\u003cbr\u003e\u003cstrong\u003eCooling Method:\u003c\/strong\u003e Forced Air Cooling (Fan-Cooled)\u003cbr\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +55°C\u003cbr\u003e\u003cstrong\u003eOperating Humidity:\u003c\/strong\u003e 10% to 90% RH (non-condensing)\u003cbr\u003e\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Open Structure (IP00)\u003cbr\u003e\u003cstrong\u003eCommunication:\u003c\/strong\u003e RS-422 \/ SSCNET III (typical for series)\u003cbr\u003e\u003cstrong\u003eProtection Functions:\u003c\/strong\u003e Standard overcurrent, overload, and overvoltage protection.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Configuration\u003c\/h3\u003e\n\u003cp\u003eInstall the \u003cstrong\u003eMR-J3-11KB4-LR\u003c\/strong\u003e in a protected control cabinet. Connect to a three-phase 400V AC power source. Ensure the cooling fan has unobstructed airflow. Use the high-resolution absolute encoder for precise positioning; the motor will know its exact position immediately on power-up. Configure the digital I\/O for control signals and the analog\/pulse inputs for command reference based on your application needs.\u003c\/p\u003e\n\u003ch3\u003eExpert FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of a 22-bit absolute encoder?\u003c\/strong\u003e\u003cbr\u003eIt provides extremely fine position feedback, enabling sub-arc-minute accuracy. This is critical for applications like semiconductor manufacturing, precision inspection, or high-end CNC machining.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the \"LR\" in the model number likely signify?\u003c\/strong\u003e\u003cbr\u003e\"LR\" often indicates a specific product version, potentially with a long cable option, a regional specification, or a particular feature set like enhanced resolution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this drive operate without a battery for the absolute encoder?\u003c\/strong\u003e\u003cbr\u003eYes, true absolute encoders in Mitsubishi systems often use a multi-turn data retention method that does not require a battery to maintain position data.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the forced cooling always required?\u003c\/strong\u003e\u003cbr\u003eFor this power rating and precision class, forced cooling is necessary to maintain thermal stability, which directly impacts the accuracy and longevity of the system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho should use this high-precision drive?\u003c\/strong\u003e\u003cbr\u003eIt is designed for applications where positioning accuracy and repeatability are paramount, such as in precision assembly, optical positioning, laser processing, and high-end robotics.\u003c\/p\u003e\n\u003ch3\u003ePackage \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003cbr\u003e1 x MR-J3-11KB4-LR Servo Drive\u003cbr\u003e1 x Instruction Manual\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Protected by a \u003cstrong style=\"color: #27ae60;\"\u003e12-month warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Shipped internationally via FedEx, UPS, and DHL.\u003c\/p\u003e\n\u003cp\u003e© 2025 Ubest Automation Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Mitsubishi","offers":[{"title":"Default Title","offer_id":51488625754394,"sku":"MR-J3-11KB4-LR","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/MR-J3-11KB4-LR.jpg?v=1766453289","url":"https:\/\/www.ubestplc.com\/hu\/products\/mitsubishi-mr-j3-11kb4-lr-22-bit-absolute-encoder","provider":"Ubest Automation Limited","version":"1.0","type":"link"}