{"product_id":"mitsubishi-electric-mr-j3-70b-mr-j3-servo-amplifier","title":"MR-J3-70B | Mitsubishi | Amplificateur Servo MR-J3","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Mitsubishi Electric \u003cstrong\u003eMR-J3-70B\u003c\/strong\u003e is a high-performance, digital servo amplifier belonging to the MELSERVO-J3 series. Engineered for precision motion control, this drive utilizes the advanced SSCNET III (Servo System Controller Network) high-speed synchronous fiber-optic network interface. This interface enables high-speed, noise-immune, bidirectional communication between the motion controller and the amplifier, making it highly effective for complex, multi-axis system synchronization.\u003c\/p\u003e\n\n\u003cp\u003eOperating with a rated output capacity of 0.75 kW, the \u003cstrong\u003eMR-J3-70B\u003c\/strong\u003e is designed to drive compatible MELSERVO AC servo motors equipped with high-resolution absolute encoders. The integration of sinusoidal PWM control and advanced current control systems ensures smooth torque delivery, minimal torque ripple, and exceptional positioning accuracy. Built-in functions, such as real-time auto-tuning and adaptive vibration suppression, dynamically adapt to changing mechanical loads to prevent resonance and stabilize performance.\u003c\/p\u003e\n\n\u003cp\u003eThis servo drive integrates seamlessly with Mitsubishi Q-Series and FX-Series motion controllers. Its robust design is optimal for high-demand industrial systems requiring minimal wiring footprint, diagnostic feedback, and high immunity to electromagnetic interference (EMI) via fiber-optic cabling.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSSCNET III Fiber-Optic Interface:\u003c\/strong\u003e High-speed serial communication loop providing 50 Mbps transmission rates, synchronous control, and complete immunity to electrical noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution Feedback compatibility:\u003c\/strong\u003e Supports 18-bit absolute\/incremental encoders (262,144 pulses\/revolution) for superior positioning precision.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Vibration Suppression:\u003c\/strong\u003e Dual-frequency machine resonance suppression filter prevents mechanical vibration during high-speed acceleration\/deceleration cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Adaptive Tuning:\u003c\/strong\u003e Continuous automatically calculated inertia ratio adjustment ensures optimal gain settings without manual calibration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSinusoidal PWM Control:\u003c\/strong\u003e Optimizes current supply to the motor windings, minimizing thermal losses and motor noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePackaging machinery and sealing equipment\u003c\/li\u003e\n  \u003cli\u003eSemiconductor fabrication and assembly lines\u003c\/li\u003e\n  \u003cli\u003eMulti-axis CNC machine tools and precision gantries\u003c\/li\u003e\n  \u003cli\u003eAutomated material handling and pick-and-place robotics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eManufacturer\u003c\/strong\u003e\n      \u003ctd\u003eMitsubishi Electric\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\n      \u003ctd\u003eMR-J3-70B\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eProduct Series\u003c\/strong\u003e\n      \u003ctd\u003eMELSERVO-J3 (B-Type)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eProduct Type\u003c\/strong\u003e\n      \u003ctd\u003eServo Amplifier\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eRated Output Capacity\u003c\/strong\u003e\n      \u003ctd\u003e0.75 kW (750 W)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eInput Power Supply (Voltage\/Frequency)\u003c\/strong\u003e\n      \u003ctd\u003e3-phase 200 to 230 V AC, 50\/60 Hz OR 1-phase 200 to 230 V AC, 50\/60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eControl Method\u003c\/strong\u003e\n      \u003ctd\u003eSinusoidal PWM control \/ current control system\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\n      \u003ctd\u003eSSCNET III (Fiber-optic network, 50 Mbps)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eDynamic Brake\u003c\/strong\u003e\n      \u003ctd\u003eBuilt-in\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCooling Method\u003c\/strong\u003e\n      \u003ctd\u003eNatural cooling\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eAmbient Operating Temperature\u003c\/strong\u003e\n      \u003ctd\u003e0 to 55 degC (non-freezing)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eAmbient Operating Humidity\u003c\/strong\u003e\n      \u003ctd\u003e90% RH maximum (non-condensing)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eProtection Rating\u003c\/strong\u003e\n      \u003ctd\u003eIP20 (open \/ force ventilation profile where applicable)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrientation:\u003c\/strong\u003e Mount the servo amplifier vertically on a flat, rigid metal surface to ensure correct heat dissipation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClearance:\u003c\/strong\u003e Maintain at least 10 mm clearance on the left and right sides, and 40 mm clearance above and below the amplifier for proper airflow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFiber-Optic Handling:\u003c\/strong\u003e Avoid bending the SSCNET III optical cables (SSCNET III cable minimum bend radius must be respected to prevent signal attenuation). Do not touch the fiber ends.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure the protective earth (PE) terminal is securely connected to the main control panel ground bus to minimize electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102150582635,"sku":"MR-J3-70B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J3-70B-zcjvsa1j3v2.png?v=1776137857","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-mr-j3-70b-mr-j3-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}