Mitsubishi MR-S11-200-Z37

Product Name:​ Mitsubishi MELSERVO MR-S11 Series AC Servo Amplifier (Drive)
Product Overview:​ A high-performance servo drive from the S11 spindle/servo family, providing vector-controlled driving for Mitsubishi servo motors in precision motion systems. The “-Z37” suffix often denotes specific firmware or custom configuration.
Category:
Description
Technical Specifications:
  • Rated Capacity:​ ~200 W class (MR-S11-200 denotes 200W rating).
  • Input Power:​ 3-phase 200–230 V AC or single-phase depending on model variant.
  • Control Modes:​ Position, speed, torque (three-loop vector control).
  • Feedback Support:​ Incremental and absolute encoders via fiber-optic or dedicated encoder interface.
  • Overload Capacity:​ 150% or higher for short durations.
  • Interfaces:​ RS-232/RS-485, CC-Link optional, analog inputs, digital I/O.
    Functional Features:
  • High-Speed Response:​ Low-latency current loop for smooth low-speed operation and high-speed machining.
  • Auto-Tuning:​ Built-in tuning functions to adapt to load inertia.
  • Alarm Diagnostics:​ LED alphanumeric display for codes (e.g., AL.30 overcurrent, AL.50 overload).
    Application Scenarios:​ CNC lathe/milling spindles, gear hobbing machines, precision grinders, robotic joints, semiconductor handling equipment. – Performance Parameters:​ Supports both low-speed high-torque and high-speed constant-power profiles; compatible with MR Configurator software for parameter management.
    Material & Structure:​ Metal chassis with finned heatsink, vertical mounting profile; internal electrolytic capacitors, IGBT power stage, control PCB.
    Working Principle:​ Converts incoming AC to DC bus, then inverts to variable-frequency AC for motor windings using PWM; encoder feedback closes position/speed loops.
    Installation Requirements:
  • Discharge Wait:​ Wait ≥15 min after power off for DC bus discharge (<25 V verified by meter).
  • Grounding:​ Dedicated ground terminal to cabinet earth bus.
  • Clearance:​ Vertical mount with top/bottom airflow space.
  • Phase Matching:​ U/V/W must match motor phases to avoid runaway.
    Precautions:​ Use ESD wrist strap when handling PCB; ensure fan (if equipped) is unobstructed; fiber optic connectors must be clean; pre-loaded parameters may differ from standard—backup before modification.
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