{"product_id":"mitsubishi-electric-mr-j4w2-1010b-melservo-j4-digital-ac-servo-amplifier","title":"Mitsubishi Electric MR-J4W2-1010B MELSERVO-J4 Digital AC-Servo Amplifier","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for high-performance multi-axis motion control, the \u003cstrong\u003eMitsubishi Electric MR-J4W2-1010B\u003c\/strong\u003e serves as a dual-axis AC servo amplifier operating within the MELSERVO-J4 product line. This unit integrates two independent 1.0 kW drive axes into a single physical housing, significantly reducing panel footprint and simplify cabling. Featuring high-speed \u003cstrong\u003eSSCNET III\/H\u003c\/strong\u003e fiber-optic communication, it provides high-speed synchronous control with real-time feedback. The amplifier is engineered to support rotary, linear, and direct-drive servo motors, adapting to complex motion profiles with integrated vibration suppression and advanced tuning functions.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Axis Integration:\u003c\/strong\u003e Operates two 1.0 kW servo motors from a single unit, cutting installation space by up to 30% compared to individual drives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSSCNET III\/H Protocol:\u003c\/strong\u003e High-speed optical communication system operating at 150 Mbps for precise, noise-immune synchronization.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShared DC Bus Architecture:\u003c\/strong\u003e Allows energy regenerated during deceleration on one axis to be dynamically utilized by the other accelerating axis, optimizing overall energy efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced One-Touch Tuning:\u003c\/strong\u003e Real-time estimation of mechanical load inertia to automatically set and maintain optimal servo gains.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Safety Features:\u003c\/strong\u003e Supports Safe Torque Off (STO) to meet industrial functional safety standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eMulti-axis pick-and-place gantry systems\u003c\/li\u003e\n  \u003cli\u003ePackaging, wrapping, and sealing machinery\u003c\/li\u003e\n  \u003cli\u003eSemiconductor and electronics assembly lines\u003c\/li\u003e\n  \u003cli\u003ePrecision material handling and sorting systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 0.75rem;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem;\"\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: 0.75rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModel Code\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMR-J4W2-1010B\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSeries Name\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMELSERVO-J4 (MR-J4 Series)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eNumber of Controlled Axes\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2 Axes (Axis A and Axis B)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Output Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e1.0 kW (Axis A) + 1.0 kW (Axis B)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMain Circuit Power Supply\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3-phase 200 VAC to 240 VAC, 50\/60 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eControl Circuit Power Supply\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e1-phase 200 VAC to 240 VAC, 50\/60 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCommunication Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eSSCNET III\/H (Optical High-Speed Network)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eControl Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\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: 0.75rem; font-weight: bold;\"\u003eCooling Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eForced cooling fan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eAmbient Operating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\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: 0.75rem; font-weight: bold;\"\u003eAmbient Operating Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e5% to 90% RH (non-condensing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eUnit Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2.3 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e85 mm x 168 mm x 195 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 0.75rem;\"\u003eTerminal \/ Connection Port\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem;\"\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: 0.75rem; font-weight: bold;\"\u003eCN1A\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eSSCNET III\/H Front Connection (Optical Input from controller or previous drive)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCN1B\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eSSCNET III\/H Rear Connection (Optical Output to next drive in network line)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCN2A\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eAxis A Encoder Input Connector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCN2B\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eAxis B Encoder Input Connector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eL1, L2, L3\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMain Power Input Terminals (3-phase 200-240 VAC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eL11, L21\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eControl Power Input Terminals (Single-phase 200-240 VAC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eU, V, W (Axis A)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eAxis A Servo Motor Power Output Terminals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eU, V, W (Axis B)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eAxis B Servo Motor Power Output Terminals\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;\"\u003eWhen migrating from two separate single-axis MR-J4-100B amplifiers to a single MR-J4W2-1010B unit, ensure you are utilizing MR Configurator2 (version 1.20W or higher). The software treats this dual-axis unit under a single physical station address with sub-axis parameter tabs. Check that your PLC network configuration map has assigned consecutive Axis A and Axis B addresses inside the Simple Motion Module or Motion Controller setup.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eSince Axis A and Axis B share a single, built-in regenerative resistor, simultaneous deceleration of both high-inertia loads will quickly trigger regenerative overvoltage faults (Fault AL.30 or AL.33). If both axes operate under rapid cyclical start\/stop sequences, we strongly advise installing an external regenerative option (such as the MR-RB12) to bypass the internal limits and prevent thermal overload of the integrated bus.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eSSCNET III\/H fiber-optic cables (CN1A and CN1B) are extremely sensitive to particulate contamination. Use dedicated cleaning fluid and lint-free wipes on the fiber ends before mating. A minute dust particle can degrade signal intensity, resulting in intermittent SSCNET command errors (AL.37 or AL.E4). Observe the minimum bending radius of 25 mm for standard fiber cables; tighter bends can attenuate the optical link signal permanently.\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;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate and lock out all 3-phase mains (L1\/L2\/L3) and control power (L11\/L21) circuits before handling wiring. High-voltage charge remains stored in the internal DC bus capacitors after power disconnection. Always wait a minimum of 15 minutes and verify that the voltage across terminals P+ and N- is under 50 VDC using an appropriately rated digital multimeter before initiating maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eMount the amplifier vertically on an unpainted, metal mounting plate inside a clean control panel, ensuring solid grounding surface-to-surface. Allow 10 mm clearance on either side of the chassis, and 40 mm clearances on the top and bottom to support adequate thermal convection.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eConnect the PE terminal to the cabinet's main grounding busbar using a thick, low-impedance ground wire. Correct grounding prevents EMC interference and noise-induced encoder feedback dropouts.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eWire the motor power cables (U, V, W) specifically identifying Axis A and Axis B. Mismatching motor cables to wrong encoder feedbacks will result in an immediate uncontrolled runaway condition and a feedback fault at startup.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eInsert the SSCNET III\/H fiber optic connectors into CN1A and CN1B ports until a firm mechanical click is heard. Fasten the connector cover clips to avoid vibration-induced loose connections.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102126236011,"sku":"MR-J4W2-1010B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/mr-j4w2-1010b-bglbv4jibxe.png?v=1776137888","url":"https:\/\/www.plcprotech.com\/pt\/products\/mitsubishi-electric-mr-j4w2-1010b-melservo-j4-digital-ac-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}