{"product_id":"mitsubishi-electric-mr-j4-350a-melservo-j4-series-1-axis-servo-amplifier","title":"Mitsubishi Electric MR-J4-350A MELSERVO-J4 Series 1-Axis Servo Amplifier","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for high-precision motion control, the \u003cstrong\u003eMitsubishi Electric MR-J4-350A\u003c\/strong\u003e operates within the MELSERVO-J4 platform to provide precise 1-axis servo motor regulation. Delivering a rated output of \u003cstrong\u003e3.5 kW\u003c\/strong\u003e, this unit employs a general-purpose interface supporting both analog input commands and pulse train inputs. With a \u003cstrong\u003e22-bit high-resolution absolute encoder\u003c\/strong\u003e interface, this amplifier ensures high speed and torque accuracy across demanding positioning systems. It incorporates integrated safety features such as Safe Torque Off (STO) and is built to comply with international functional safety standards, making it highly suitable for manufacturing, packaging, and high-performance material handling applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\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\u003eHigh-Resolution Feedback:\u003c\/strong\u003e Supports 22-bit encoder resolution (4,194,304 pulses per revolution) for fine positioning stability and minimized speed ripples.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Command Interface:\u003c\/strong\u003e General-purpose control interface accommodates analog speed\/torque signals and high-speed pulse train commands up to 4 Mpulses\/s.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Diagnostic Functions:\u003c\/strong\u003e Includes real-time vibration suppression control, machine diagnostics, power monitor functions, and lost motion correction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Functional Safety:\u003c\/strong\u003e Built-in STO (Safe Torque Off) certified to EN ISO 13849-1 Category 3 PL e, IEC 61508 SIL 3, and EN 62061 SIL CL 3.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Communications:\u003c\/strong\u003e Equipped with onboard USB interfaces for connection with MR Configurator2 and RS-422\/RS-485 for multi-drop configurations up to 32 axes.\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\u003e\n\u003cstrong\u003eMulti-Axis Packaging Systems:\u003c\/strong\u003e High-speed filling, sealing, and wrapping machinery requiring synchronized auxiliary axes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTextile Machinery:\u003c\/strong\u003e Continuous tension control and dynamic speed adjustments under variable loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Handling \u0026amp; Gantry Systems:\u003c\/strong\u003e Accurate positioning of transfer arms, automated guided vehicles, and cartesian coordinates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetalworking and Tooling:\u003c\/strong\u003e Auxiliary feed axes requiring robust torque retention and rapid response times.\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; text-align: left; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eSpecification Values\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\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMR-J4-350A\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\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMELSERVO-J4\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;\"\u003e3.5 kW\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 Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase AC 200 V to 240 V, 50 Hz \/ 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;\"\u003eAllowable Voltage Fluctuation\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase AC 170 V to 264 V\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 Input Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e16.0 A\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;\"\u003eOutput Rated Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase AC 170 V\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;\"\u003eOutput Rated Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e17.0 A\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 Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eSingle-phase AC 200 V to 240 V, 50 Hz \/ 60 Hz (Rated current: 0.2 A)\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;\"\u003eInterface Power Supply\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eDC 24 V (Required current capacity: 0.5 A including CN8 signals)\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;\"\u003eSinusoidal 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;\"\u003eSafety Standards\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eEN ISO 13849-1 Cat 3 PL e, IEC 61508 SIL 3, EN 62061 SIL CL 3, EN 61800-5-2\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;\"\u003eIntegrated Dynamic Brake\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eBuilt-in\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;\"\u003eEncoder Compatibility\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2-wire serial system (22-bit resolution)\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;\"\u003eProduct Net 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;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3.5 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen utilizing the integrated dynamic brake during high-frequency stop-start sequences, thermal limits of the internal dissipation circuit must be observed. In situations where load inertia exceeds the permissible specifications of the internal regenerative resistor, an external regenerative option must be installed and configured in parameter settings to avoid \u003cstrong\u003eAL 30 (Regenerative Error)\u003c\/strong\u003e or \u003cstrong\u003eAL 33 (Overvoltage)\u003c\/strong\u003e faults.\u003c\/p\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEnsure proper installation clearance. Because of heat generation in a 3.5 kW amplifier, keep a minimum of 40 mm clearance above and below the module, and restrict vertical stack mounting unless active cabinet ventilation is engineered to keep ambient temperatures below 55 degC.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo eliminate electromagnetic interference on the high-speed pulse train lines (especially when operating near the 4 Mpulses\/s differential limit), twisted-pair shielded cables are mandatory for the \u003cstrong\u003eCN1 command connector\u003c\/strong\u003e. The shield must be clamped directly to the metal frame of the connector shell to establish a low-impedance high-frequency ground path.\u003c\/p\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen commissioning via \u003cstrong\u003eMR Configurator2\u003c\/strong\u003e, use the USB type Mini-B port located behind the front slide-up cover. Perform the initial test run with the motor decoupled from the mechanical load to calibrate the automatic tuning loop parameters and safely verify rotational direction.\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 voltages remain present on the main circuit terminals (L1, L2, L3) and DC bus terminals (P+, C, N-) even after the control power is switched off. Wait at least 15 minutes for the internal capacitors to fully discharge, and measure the voltage across terminals P+ and N- with a reliable multimeter to ensure it is below DC 50 V before initiating connection modifications.\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=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eMount the servo amplifier vertically on a clean, flat, metal-backed control panel to optimize thermal dissipation. Do not block the cooling fan intake or exhaust vents.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eWire the control circuit power supply (L11, L21) and main circuit power supply (L1, L2, L3) through an appropriate circuit breaker and electromagnetic contactor.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eConnect the U, V, and W motor power lines to their respective amplifier terminals. Ensure the grounding wire (PE) is securely bonded to the main cabinet ground bar.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eInsert the CN2 encoder cable from the servo motor and configure the CN8 safety circuit jumper or safety relay output wires before applying supply voltages.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102124663147,"sku":"MR-J4-350A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J4-350A-1qws2xar1z0.png?v=1776137871","url":"https:\/\/www.plcprotech.com\/ru\/products\/mitsubishi-electric-mr-j4-350a-melservo-j4-series-1-axis-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}