{"product_id":"mitsubishi-electric-mr-j4-700b-melservo-j4-series-servo-amplifier","title":"MR-J4-700B | Mitsubishi Electric | Amplificateur servo","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding high-precision closed-loop motion control, the \u003cstrong\u003eMitsubishi Electric MR-J4-700B\u003c\/strong\u003e functions as a high-capacity servo drive designed for seamless integration within SSCNET III\/H network architectures. Engineered for demanding industrial positioning applications, this unit pairs with \u003cstrong\u003e7.0 kW\u003c\/strong\u003e compatible rotary, linear, or direct-drive servo motors to deliver highly dynamic speed and torque response. Utilizing a high-resolution absolute encoder interface, the drive ensures exceptional trajectory tracking and minimal settling times, critical for multi-axis machinery coordinates.\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: 20px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSSCNET III\/H Interface:\u003c\/strong\u003e Utilizes high-speed fiber-optic communication running at 150 Mbps for synchronous multi-axis coordination and noise-immune signaling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Vibration Suppression:\u003c\/strong\u003e Employs dual-frequency machine resonance suppression filters to minimize mechanical load oscillations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution Feedback Support:\u003c\/strong\u003e Integrates with 22-bit (4,194,304 pulses\/rev) absolute encoders for superior positioning accuracy and velocity stability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Functional Safety:\u003c\/strong\u003e Built-in Safe Torque Off (STO) compliance to meet international safety-standard requirements without redundant external hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-time Auto-Tuning:\u003c\/strong\u003e Dynamically adjusts control loops to accommodate changing load inertia during physical cycle operations.\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: 20px;\"\u003e\n  \u003cli\u003eMulti-axis CNC machine centers and gantry positioning units.\u003c\/li\u003e\n  \u003cli\u003eAutomated packaging, converting, and high-capacity winding machines.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty Cartesian handling robots and material transfer lines.\u003c\/li\u003e\n  \u003cli\u003eSemiconductor manufacturing and precision assembly systems.\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 #cbd5e0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border: 1px solid #cbd5e0; padding: 10px; text-align: left; font-weight: bold; color: #1a365d;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"border: 1px solid #cbd5e0; padding: 10px; text-align: left; font-weight: bold; color: #1a365d;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eMR-J4-700B\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eSeries Name\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eMELSERVO-J4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eProduct Type\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eServo Amplifier\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eControl Communication\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eSSCNET III\/H (Fiber-optic)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eRated Capacity\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003e7.0 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eInput Power Supply (Voltage\/Phase)\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003e3-phase 200 V AC to 240 V AC, 50\/60 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eOutput Rated Voltage\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003e3-phase 170 V AC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eOutput Rated Current\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003e37.0 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eCooling Method\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eForced cooling fan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eAmbient Operating Temperature\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003e0 to 55 Celsius (non-freezing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003e6.2 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003e8.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eJapan\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; border: 1px solid #cbd5e0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border: 1px solid #cbd5e0; padding: 10px; text-align: left; font-weight: bold; color: #1a365d;\"\u003eTerminal \/ Connector Name\u003c\/th\u003e\n        \u003cth style=\"border: 1px solid #cbd5e0; padding: 10px; text-align: left; font-weight: bold; color: #1a365d;\"\u003eDescription \/ Circuit Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eCN1A \/ CN1B\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eSSCNET III\/H fiber optic connection input\/output lines\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eCN2\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eEncoder feedback connection interface\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eCN3\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eDigital I\/O signals, limit switches, and manual pulse generator inputs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eCN8\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eFunctional safety STO input\/output connector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eL1, L2, L3\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003e3-phase AC main power supply inputs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px; font-weight: bold;\"\u003eU, V, W\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #cbd5e0; padding: 10px;\"\u003eOutput terminals to motor phases (do not hook up to main power directly)\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\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe MR-J4-700B is designed as a technological transition from the legacy MR-J3-700B. It can be set to run in MR-J3 compatibility mode via parameters using MR Configurator2. This permits easy drop-in mechanical replacement on older control system lines without immediately requiring a migration of the master motion controller or complete software overhaul. However, running in compatibility mode limits encoder feedback resolution to MR-J3 capabilities.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eOperating at a high power rating of 7.0 kW, this unit dissipates significant thermal energy. If housed in a completely sealed enclosure, maintain a minimum of 40 mm spacing on both sides of the amplifier housing to avoid localized hot-spots. If the ambient cabinet environment exceeds 40 Celsius, external cooling fans or air conditioners must be installed to prevent overtemperature thermal shutdown codes (AL.30 or AL.46).\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eThe fiber-optic cables (MR-J3BUS_M) used on CN1A\/CN1B require extreme handling care. They have a strict minimum bend radius of 25 mm. Exceeding this bend threshold will permanently fracture the optical core, triggering intermittent AL.37 (parameter communication error) or AL.E9 (main circuit warning) codes that are difficult to isolate during machine operation.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"margin: 0; font-weight: bold; color: #9b2c2c;\"\u003eCRITICAL SAFETY WARNING\u003c\/p\u003e\n  \u003cp style=\"margin: 5px 0 0 0; color: #2d3748; font-size: 14px;\"\u003eBefore starting installation or maintenance, completely disconnect all incoming AC power. Wait a minimum of 15 minutes for the internal high-voltage DC bus capacitors to discharge. Verify the voltage across terminals P+ and N- is under 20 V DC using a digital multimeter before touching wiring or terminals.\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; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003e\u003cstrong\u003eVertical Panel Mounting:\u003c\/strong\u003e Mount the amplifier vertically on a metal control panel using the designated mounting holes. Securely tighten all bolts to maintain functional system grounding backplane continuity.\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; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003e\u003cstrong\u003ePower Wiring Routing:\u003c\/strong\u003e Terminate the 3-phase AC input to L1, L2, and L3. Connect the servo motor leads to U, V, and W. Ensure the green grounding terminal is connected back to the central plant PE grounding bus to eliminate ground loop noise.\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; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003e\u003cstrong\u003eSSCNET Optical Connections:\u003c\/strong\u003e Remove the dust caps from CN1A\/CN1B ports. Align the optical connectors and insert firmly until an audible click is heard, ensuring the optical loop has optimal path transmission.\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; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003e\u003cstrong\u003eI\/O and Safety Termination:\u003c\/strong\u003e Route shielding on all encoder and I\/O signal wires with clamp blocks directly to the metal panel chassis. Run CN8 safety circuits through functional emergency stop channels before energizing power.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102127219051,"sku":"MR-J4-700B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J4-700B-4dxngskqhcj.png?v=1776137884","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-mr-j4-700b-melservo-j4-series-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}