{"product_id":"mitsubishi-electric-mr-j3-500b-melservo-j3-series-ac-servo-amplifier","title":"Amplificateur servo Mitsubishi : MR-J3-500B","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\nTo address complex multi-axis motion control requirements, the \u003cstrong\u003eMitsubishi Electric MR-J3-500B\u003c\/strong\u003e AC servo drive coordinates continuous path synchronization and precise positioning over a high-speed fiber-optic network. As part of the MELSERVO J3 product family, this \u003cstrong\u003e5.0 kW servo amplifier\u003c\/strong\u003e integrates directly with motion controllers via the \u003cstrong\u003eSSCNET III\u003c\/strong\u003e communications bus, reducing electrical noise vulnerability through optical isolation. The unit processes feedback from high-resolution 18-bit absolute\/incremental encoders, allowing it to maintain precise speed consistency and execute vibration suppression algorithms across dynamic load profiles.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px; margin-top: 1.5rem;\"\u003eKey Technical Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 20px;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eSSCNET III Interface:\u003c\/strong\u003e High-speed optical fiber communication bus operating at 50 Mbps with a 0.44 ms cycle time, preventing external electromagnetic interference (EMI).\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eAdvanced Vibration Suppression Control:\u003c\/strong\u003e Suppresses residual oscillations at the end of positioning, minimizing mechanical fatigue in long-arm or high-inertia systems.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eHigh-Resolution Feedback compatibility:\u003c\/strong\u003e Seamlessly interfaces with 18-bit rotary encoders (262,144 pulses\/rev) for exceptional positioning resolution and speed loop stability.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eAdaptive Real-Time Auto-Tuning:\u003c\/strong\u003e Automatically computes optimum gain parameters based on continuous inertia ratio calculation during active machine operations.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eCompact Thermal Footprint:\u003c\/strong\u003e Highly efficient internal cooling duct system and internal fan assembly direct heat away from adjacent control cabinet modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px; margin-top: 1.5rem;\"\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 20px;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eMulti-axis CNC machining, gantry systems, and routing machinery.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHigh-speed packaging, rotary cartoning, and vertical form-fill-seal machines.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003ePrecision printing press registration and tension-control winding systems.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eAutomated material handling, heavy payload pick-and-place robots, and automotive welding positioners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px; margin-top: 1.5rem;\"\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=\"text-align: left; padding: 10px; font-weight: bold; width: 35%;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eSpecification Value\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; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMR-J3-500B\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMELSERVO-J3 Series (SSCNET III Network Type)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eRated Output Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e5.0 kW (5000 W)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMain Circuit Power Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3-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; font-weight: bold;\"\u003eControl Circuit Power Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSingle-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; font-weight: bold;\"\u003eControl System\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSine-wave PWM control, current control system\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCommunication Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSSCNET III (High-Speed Fiber-Optic Serial Bus)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSpeed Frequency Response\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2100 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eAmbient Operating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 to 55 degC (non-freezing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCooling Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eForced Cooling Fan (Built-in)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e6.0 kg (approx. 13.2 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e280 mm x 150 mm x 220 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px; margin-top: 1.5rem;\"\u003eConnections and Interfaces\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=\"text-align: left; padding: 10px; font-weight: bold; width: 25%;\"\u003eTerminal \/ Connector\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eFunction \/ Circuit Assignment\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; font-weight: bold;\"\u003eCN1A\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSSCNET III Optical Fiber Connector (Upstream\/Controller connection)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCN1B\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSSCNET III Optical Fiber Connector (Downstream\/Next drive connection)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCN2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eServo Motor Encoder Feedback Interface (18-bit absolute\/incremental feedback)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCN3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eExternal I\/O Interface (Limit switches, emergency stop, near-point dog inputs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eL1 \/ L2 \/ L3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMain Power Supply Terminals (3-phase 200-230 VAC input)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eL11 \/ L21\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eControl Circuit Power Supply Terminals (Single-phase 200-230 VAC input)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eU \/ V \/ W\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eServo Motor Output Terminals (Output phases to motor windings)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eP \/ C \/ D\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eExternal Regenerative Brake Option Connection Points\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px; margin-top: 1.5rem;\"\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\nThe MR-J3-500B direct network model operates under SSCNET III protocols and is not directly compatible with SSCNET II controllers or standard analog\/pulse train networks (A-type drives). If upgrading an older machine containing an MR-J2S-500B drive, you must replace the standard encoder cables and upgrade the controller to a compatible Q-Series Motion Controller (such as Q172HCPU or QD75MH4) or an L-Series positioning module to support the optical interface.\n\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\nAt 5.0 kW rating, this drive generates continuous heat losses of up to 300 Watts under full-load acceleration profiles. When organizing panels, ensure that a minimum of 40 mm free space is maintained above and below the amplifier. If installing multiple amplifiers in a single row, maintain at least 10 mm clearance between drives to prevent mutual thermal loading and premature trigger of thermal protection faults (AL.45 or AL.46).\n\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\nNever exceed the strict 25 mm bend radius limit on the SSCNET III optical fiber cables connecting CN1A and CN1B. Exceeding this limit degrades the light transmission and causes intermittent \u003cstrong\u003eAL.16 (SSCNET Communication Error)\u003c\/strong\u003e faults. Always use protective plastic covers on unused optical ports to prevent dust or oil-mist infiltration, which permanently degrades the internal receiver optics.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px; margin-top: 1.5rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 20px; color: #9b2c2c;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 5px;\"\u003eCRITICAL SAFETY WARNING\u003c\/strong\u003e\n  Before attempting wiring, mechanical installation, or servicing on the power terminal blocks, isolate the main circuit breaker. High-voltage capacitors retain a lethal charge. Verify that the red CHARGE LED located on the physical front of the MR-J3-500B is completely extinguished. Measure the DC bus potential across terminals P(+) and N(-) using a properly rated digital multimeter to verify the voltage has dropped below 50 VDC.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\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: 15px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003e\n    Mount the servo amplifier vertically on a flat, rigid metal surface inside a dust-free and oil-mist-free control cabinet with protection class IP54 or higher.\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\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: 15px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003e\n    Securely connect the primary protective earth (PE) terminal to the cabinet's main copper grounding plate using heavy-gauge braided ground straps to suppress high-frequency noise.\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\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: 15px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003e\n    Wire the 3-phase AC power input to L1, L2, and L3 using a branch circuit breaker and electromagnetic contactor. Wire control circuit power to L11 and L21 terminals.\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\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: 15px; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003e\n    Connect the dedicated motor output cable to U, V, and W, ensuring phase matching matches the servo motor terminals exactly. Never connect AC input line power directly to motor terminals U, V, or W.\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 15px;\"\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: 15px; flex-shrink: 0;\"\u003e5\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003e\n    Plug the encoder cable into CN2, then plug the optical SSCNET III bus fiber-optic lines into CN1A and CN1B, confirming they click into place. Use standard MR-configurator software for diagnostic configuration.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102139736427,"sku":"MR-J3-500B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J3-500B-miled0emjwc.png?v=1776137849","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-mr-j3-500b-melservo-j3-series-ac-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}