{"product_id":"mitsubishi-electric-mr-j4-350b-melservo-j4-1-axis-servo-amplifier","title":"Mitsubishi Electric MR-J4-350B MELSERVO-J4 1-Axis Servo Amplifier","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eOperating within the MELSERVO-J4 system architecture, the \u003cstrong\u003eMR-J4-350B\u003c\/strong\u003e is a high-performance 1-axis servo amplifier engineered for precise motion control applications. This unit supports a 3.5 kW capacity and operates on a 200 VAC class supply, utilizing SSCNET III\/H high-speed synchronous network communication to achieve high-resolution, low-latency control in automated machinery. By isolating the main circuit power supply from the control circuit power supply, the unit maintains communications and diagnostic capabilities even when the main 3-phase power is disconnected.\u003c\/p\u003e\n\n\u003cp\u003eThe system utilizes a sinusoidal wave PWM control scheme combined with a real-time current control system. This ensures smooth torque delivery, minimal velocity ripple, and highly responsive path tracking. Built to integrate seamlessly with Q-Series, L-Series, and iQ-F\/iQ-R Series motion controllers, this servo amplifier is widely deployed in industrial environments requiring rigorous synchronization and dynamic response.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSSCNET III\/H fiber-optic network interface for high-speed, noise-immune synchronous communication.\u003c\/li\u003e\n  \u003cli\u003eSeparate main and control circuit power inputs to preserve fault logging and system state monitoring during emergency power-off conditions.\u003c\/li\u003e\n  \u003cli\u003eSinusoidal wave PWM control and current control system for optimized torque output and acoustic noise reduction.\u003c\/li\u003e\n  \u003cli\u003eIntegrated 24 VDC interface power supply management for stable processing of control signals.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in diagnostic tools and real-time auto-tuning functions for automated machine inertia detection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision packaging and filling machinery\u003c\/li\u003e\n  \u003cli\u003eMulti-axis CNC milling and metal cutting centers\u003c\/li\u003e\n  \u003cli\u003eSemiconductor fabrication and wafer handling systems\u003c\/li\u003e\n  \u003cli\u003eHigh-speed automated pick-and-place assembly lines\u003c\/li\u003e\n  \u003cli\u003eAutomated warehousing and material handling gantry systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMitsubishi Electric\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMR-J4-350B\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMELSERVO-J4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAmplifier Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1-Axis Servo Amplifier\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOutput Rated Power\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3.5 kW\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOutput Rated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3-phase 170 VAC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOutput Rated Current\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e17.0 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMain Circuit Power Supply\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3-phase 200 VAC to 240 VAC, 50\/60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMain Circuit Rated Current\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e16.0 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMain Circuit Allowable Voltage Fluctuation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eThree-phase 170 VAC to 264 VAC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eControl Circuit Power Supply\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSingle-phase 200 VAC to 240 VAC, 50\/60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eControl Circuit Rated Current\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.2 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eControl Circuit Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e30 W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eControl Circuit Allowable Voltage Fluctuation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSingle-phase 170 VAC to 264 VAC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAllowable Frequency Fluctuation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eWithin +\/- 5%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInterface Power Supply\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e24 VDC +\/- 10% (Required current capacity: 0.3 A including CN8 connector signal)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eControl Method\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSinusoidal wave PWM control \/ Current control system\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2.3 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eConnector Designation\u003c\/th\u003e\n      \u003cth\u003eFunctional Assignment\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCN1A\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSSCNET III\/H optical network input connection\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCN1B\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSSCNET III\/H optical network output connection (daisy chain)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCN2\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eServo motor encoder feedback interface\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCN3\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eI\/O signal connector for auxiliary digital inputs\/outputs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCN5\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eUSB communication port for PC connection (MR Configurator2)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCN8\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSafe Torque Off (STO) safety function connector\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eL1 \/ L2 \/ L3\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMain circuit AC power supply input terminals\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eL11 \/ L21\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eControl circuit AC power supply input terminals\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eU \/ V \/ W\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eServo motor power output terminals\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Orientation:\u003c\/strong\u003e Mount the amplifier vertically on a flat, rigid vertical surface. Maintain a minimum top\/bottom clearance of 40 mm and a side clearance of 10 mm to ensure unrestricted airflow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e Install the device inside a dust-free, enclosed control cabinet. Ensure the cabinet environment remains within nominal operating temperatures and below 90% non-condensing relative humidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Connect the dedicated protective earth (PE) terminal of the amplifier to the control cabinet's central grounding bar using a thick, low-impedance ground wire.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Routing:\u003c\/strong\u003e Always separate high-voltage motor power cables (U\/V\/W) from the fiber-optic SSCNET III\/H cables and encoder lines to prevent electromagnetic interference from degrading signal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102156611947,"sku":"MR-J4-350B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/MR-J4-350B-jfzu24wgevz.png?v=1776137872","url":"https:\/\/www.plcprotech.com\/id\/products\/mitsubishi-electric-mr-j4-350b-melservo-j4-1-axis-servo-amplifier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}