{"product_id":"mitsubishi-electric-mr-j2s-500a-melservo-j2-super-series-servo-amplifier-module","title":"Mitsubishi Electric MR-J2S-500A MELSERVO J2-Super Series Servo Amplifier Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eOptimizing motion precision in high-torque industrial applications, the \u003cstrong\u003eMitsubishi Electric MR-J2S-500A\u003c\/strong\u003e serves as a high-performance, 3-phase digital servo drive within the legacy \u003cstrong\u003eMELSERVO J2-Super Series\u003c\/strong\u003e platform. Engineered for highly dynamic operations, this \u003cstrong\u003e5.0 kW rated output\u003c\/strong\u003e amplifier utilizes sinusoidal PWM control with a real-time current control system to govern position, speed, and torque. By featuring automatic motor recognition and an absolute position detection interface, the \u003cstrong\u003eMR-J2S-500A\u003c\/strong\u003e reduces commissioning overhead while maintaining exceptional synchronization fidelity across multiaxial machinery configurations.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdaptive Auto-Tuning:\u003c\/strong\u003e Real-time estimation of load inertia ratio ensures automatic adjustment of control loop gains, compensating for mechanical resonances dynamically.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAbsolute Position Encoder Interface:\u003c\/strong\u003e Supports high-resolution serial feedback to eliminate the need for zero-point return sequences after power-down cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Dynamic Brake:\u003c\/strong\u003e Provides built-in emergency braking capabilities by short-circuiting motor windings during system faults or primary power loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Control Modes:\u003c\/strong\u003e Seamlessly transitions between Position Control (pulse train), Speed Control (+\/-10V analog), and Torque Control (+\/-8V analog) inputs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForced Air Cooling:\u003c\/strong\u003e Internal cooling fans preserve thermal equilibrium across heavy-duty operating cycles inside enclosed control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eMulti-axis CNC milling, turning, and grinding workstations.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty rotary indexing tables and rotary packaging equipment.\u003c\/li\u003e\n  \u003cli\u003eGantry positioning systems, pick-and-place robots, and automated material handling lifts.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed industrial web handling, winding, and slitting systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eTechnical Specifications Table\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; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eValue \/ Rating\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: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Designation\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMR-J2S-500A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMELSERVO J2-Super Series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRated Output Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e5.0 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Voltage \/ Phase\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3-Phase 200 to 230 V AC, 50\/60 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePermissible Voltage Fluctuation\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3-Phase 170 to 253 V AC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePermissible Frequency Fluctuation\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eWithin +\/- 5%\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eControl System\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSinusoidal 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: 8px; font-weight: bold;\"\u003eDynamic Brake Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eBuilt-in\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCooling Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eForced Air Cooling (Internal Fan)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\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: 8px; font-weight: bold;\"\u003eStorage Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-20 to 65 degC (non-freezing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePermissible Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e90% RH maximum (non-condensing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e6.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e380 mm x 280 mm x 150 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; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eTerminal \/ Port\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eFunctional 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: 8px; font-weight: bold;\"\u003eL1, L2, L3\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMain circuit power supply input (3-phase 200-230 V AC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eL11, L21\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eControl circuit power supply input (single-phase 200-230 V AC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eU, V, W\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3-phase servo motor power output (Do not connect main AC power)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eP, C, D\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eConnections for internal or external regenerative brake option\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCN1A \/ CN1B\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eControl signal connectors (digital inputs\/outputs, pulse train, analog reference)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCN2\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eHigh-resolution serial encoder interface feedback connector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePE (Ground Symbol)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eProtective Earth ground terminals (dual-screw configuration)\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; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \u003cstrong\u003eMR-J2S-500A\u003c\/strong\u003e functions as the standard direct upgrade replacement for legacy MR-J2-500A amplifiers. When upgrading a system from MR-J2 to MR-J2S, verify that the encoder feedback resolution profile on the associated servo motor aligns. J2-Super series motors utilize a 131,072 pulses\/revolution absolute encoder, which may necessitate firmware and scaling adjustments in older CNC controller platforms or positioning logic modules.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eA common issue encountered on heavy inertia loads with the \u003cstrong\u003eMR-J2S-500A\u003c\/strong\u003e is the \u003cstrong\u003eAL.30 (Regenerative Overvoltage)\u003c\/strong\u003e fault code during sharp deceleration ramps. The built-in regenerative brake resistor is designed for transient duty cycles. If AL.30 is triggered, calculate the regenerative energy feedback. For continuous cyclic decelerations, wire an external high-capacity regenerative resistor across terminals P and C, and ensure the corresponding parameter is configured to bypass the internal resistor capacity.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eFor electrical noise prevention, use twisted-pair shielded cables for control signal inputs CN1A and CN1B, keeping the shield grounded at the amplifier end. Avoid routing the main 3-phase power input lines (L1\/L2\/L3) in the same duct as the low-voltage feedback lines (CN2). Running the encoder feedback lines alongside output lines (U\/V\/W) without appropriate shielding degrades serial communication integrity and triggers \u003cstrong\u003eAL.20 (Encoder Communication Error)\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-weight: bold;\"\u003eCRITICAL WARNING: HIGH VOLTAGE RISK\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0.5rem 0 0 0; font-size: 0.95rem;\"\u003eEnsure all main AC power and control line power sources are fully disconnected before beginning installation. Allow a minimum of 15 minutes after power-down to let internal DC link bus capacitors discharge. Confirm that the charge LED indicator on the front panel is completely extinguished before handling terminal wiring or testing terminal voltage levels.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 24px; height: 24px; font-weight: bold; margin-right: 12px; font-size: 12px; margin-top: 2px;\"\u003e1\u003c\/span\u003e\n  \u003cspan style=\"color: #2d3748;\"\u003eMount the servo amplifier vertically in an electrical enclosure, allowing a minimum clearance of 40 mm above and below the unit, and 10 mm on either side for heat dissipation.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 24px; height: 24px; font-weight: bold; margin-right: 12px; font-size: 12px; margin-top: 2px;\"\u003e2\u003c\/span\u003e\n  \u003cspan style=\"color: #2d3748;\"\u003eConnect the main power supply (3-phase 200-230 V AC) directly to terminals L1, L2, and L3. Connect the control circuit power to L11 and L21.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 24px; height: 24px; font-weight: bold; margin-right: 12px; font-size: 12px; margin-top: 2px;\"\u003e3\u003c\/span\u003e\n  \u003cspan style=\"color: #2d3748;\"\u003eAttach the motor output cable to U, V, and W. Do not install phase-advancing capacitors or surge absorbers on the output side, as high-frequency switching will damage them.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 24px; height: 24px; font-weight: bold; margin-right: 12px; font-size: 12px; margin-top: 2px;\"\u003e4\u003c\/span\u003e\n  \u003cspan style=\"color: #2d3748;\"\u003eConnect the encoder cable from the motor to CN2 and control command inputs to CN1A\/CN1B. Double-check that all grounds are securely bonded to the main backplate.\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102141112683,"sku":"MR-J2S-500A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/mr-j2s-500a-zxj5jqnn31v.png?v=1776137834","url":"https:\/\/www.plcprotech.com\/ru\/products\/mitsubishi-electric-mr-j2s-500a-melservo-j2-super-series-servo-amplifier-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}