{"product_id":"mitsubishi-electric-mr-j3-70a-melservo-mr-j3-series-ac-servo-amplifier","title":"Amplificateur servo AC Mitsubishi Electric MR-J3-70A série MELSERVO MR-J3","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eOperating as a high-performance motion control component, the \u003cstrong\u003eMitsubishi Electric MR-J3-70A\u003c\/strong\u003e AC servo amplifier delivers precise torque, speed, and position control within the MELSERVO MR-J3 product range. This 700-Watt unit relies on a general-purpose command interface, allowing seamless integration into automation architectures using pulse train inputs or analog voltage signals. By processing high-resolution feedback from 18-bit absolute and incremental encoders, the drive guarantees exceptional speed constancy and positioning accuracy even under dynamic loads. Integrated adaptive vibration suppression automatically adjusts to minimize mechanical resonance on mechanical linkages, making it highly reliable for demanding high-duty manufacturing setups.\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\u003e\n\u003cstrong\u003eFlexible Interface Option:\u003c\/strong\u003e Supports general-purpose command systems, accepting differential or open-collector pulse trains and +-10 VDC analog inputs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Vibration Suppression:\u003c\/strong\u003e Employs adaptive vibration filters to automatically detect and counteract mechanical resonances in machine structures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Auto-Tuning:\u003c\/strong\u003e Automatically optimizes servo gains based on continuous load inertia calculations for simplified commissioning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAbsolute Encoder Integration:\u003c\/strong\u003e Compatible with 18-bit (262,144 pulses\/rev) high-resolution feedback systems to eliminate the need for homing routines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Protection Circuits:\u003c\/strong\u003e Features built-in overcurrent, regenerative overvoltage, overload, and encoder error protection.\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\u003eSemiconductor manufacturing equipment and high-speed wafer handling systems.\u003c\/li\u003e\n  \u003cli\u003eAutomated packaging, labeling, and bottle-filling machinery.\u003c\/li\u003e\n  \u003cli\u003eMulti-axis CNC machine tool feed systems.\u003c\/li\u003e\n  \u003cli\u003ePrecision pick-and-place robotic arms and Cartesian gantries.\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; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border: 1px solid #e2e8f0;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border: 1px solid #e2e8f0;\"\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: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eMR-J3-70A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eControl Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eGeneral-Purpose (Pulse Train \/ Analog Voltage)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eRated Output Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.7 kW (700 Watts)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eMain Power Supply Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e3-phase or 1-phase 200 to 230 VAC, 50\/60 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eControl Circuit Power Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e1-phase 200 to 230 VAC, 50\/60 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eRated Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e5.8 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eCompatible Servo Motors\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eHF-KP73, HF-MP73, HF-SP81\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eCooling Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eNatural Cooling\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0 to 55 Celsius (non-freezing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eAmbient Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eMax 90% RH (non-condensing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e2.5 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;\"\u003eThe MR-J3-70A general-purpose drive utilizes standard terminal layouts and I\/O connections that differ significantly from its network-based counterpart, the MR-J3-70B (which utilizes optical SSCNET III). If upgrading an older system running the MR-J2S-70A series, note that the physical dimensions and parameter mapping have changed. Use the MR Configurator software migration utility to properly translate system gains and electronic gear ratios to prevent mechanical binding on start-up.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen utilizing this drive with high-inertia loads or in vertical lift configurations, the integrated regenerative resistor may experience thermal saturation. If the drive regularly triggers an \u003cstrong\u003eAL.30 (Regenerative Overvoltage)\u003c\/strong\u003e fault during rapid deceleration, disconnect the built-in jumper between the P+ and C terminals and install an appropriately rated external regenerative resistor options. Ensure parameter PA02 is updated to reflect the external resistor installation.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo prevent electromagnetic interference from disturbing sensitive analog inputs or causing encoder signal degradation, ensure that the encoder cable is routed separately from the U\/V\/W motor output wires by a minimum of 10 cm. Always ground the shield of the feedback cable to the amplifier's internal ground plate via a grounding clamp, and do not daisy-chain the PE (protective earth) connection with other electrical equipment.\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 Hazardous high voltage remains present on the main terminal block and internal capacitors even after turning off the power. Disconnect all primary power lines and wait at least 10 minutes for internal charges to dissipate. Confirm that the physical charge LED indicator on the drive's front panel is completely extinguished before initiating any terminal connection work.\n\u003c\/div\u003e\n\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; flex-shrink: 0; margin-right: 10px;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the amplifier vertically on a flat, vibration-free surface inside an enclosed metal cabinet. Retain a clearance of at least 10 mm on both sides and 50 mm above and below the housing to maintain convective airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\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; flex-shrink: 0; margin-right: 10px;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the control power input to the L11 and L21 terminals, and the main power supply to L1, L2, and L3 (or L1 and L2 for single-phase configurations) utilizing recommended protective circuit breakers.\u003c\/p\u003e\n\u003c\/div\u003e\n\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; flex-shrink: 0; margin-right: 10px;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the motor output terminal blocks U, V, and W directly to the servo motor power plug. Verify terminal phases match; running a motor with mismatched phases can cause uncontrolled runaway motion.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1.5rem;\"\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; flex-shrink: 0; margin-right: 10px;\"\u003e4\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eInsert the feedback cable into CN2 and connect your external positioning controller or command module into CN1. Verify all shield ground clips are tight and grounded to the common backplane.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102142456171,"sku":"MR-J3-70A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J3-70A-5ufqvgi5x0a.png?v=1776137855","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-mr-j3-70a-melservo-mr-j3-series-ac-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}