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Mitsubishi Electric MR-J3-B User Manual

Mitsubishi Electric MR-J3-B
225 pages
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General-Purpose AC Servo
MODEL
MR-J3- B
SERVO AMPLIFIER
INSTRUCTION MANUAL
SSCNET Compatible
J3 Series

Table of Contents

Questions and Answers:

Mitsubishi Electric MR-J3-B Specifications

General IconGeneral
SeriesMR-J3
TypeServo Amplifier
Input Voltage200-230V AC, 400-480V AC
Output CurrentVaries by model
Communication InterfaceSSCNET III/H
FeedbackAbsolute/Incremental Encoder
Protection FunctionsOvercurrent, Overvoltage, Overload, Overheat
DimensionsVaries by model
WeightVaries by model

Summary

SERVO AMPLIFIER INSTRUCTION MANUAL

Safety Instructions

Essential safety precautions and warnings for operating the servo amplifier, covering electrical shock and injury risks.

FUNCTIONS AND CONFIGURATION

INSTALLATION

Installation Direction and Clearances

Specifies correct mounting orientation and required spacing for proper installation and heat dissipation.

SIGNALS AND WIRING

Input Power Supply Circuit

Diagrams and explanations for connecting the main and control circuit power supplies to the servo amplifier.

I/O Signal Connection Example

Illustrates typical connections for digital and analog I/O signals to the servo amplifier's connectors.

Servo Motor with Electromagnetic Brake

Describes safety precautions, connection diagrams, and timing charts for servo motors equipped with electromagnetic brakes.

Grounding

Emphasizes the importance of proper grounding for safety and noise reduction, including connection points.

STARTUP

Switching Power On for the First Time

Step-by-step procedure for initial power-on, including wiring checks and parameter settings.

PARAMETERS

Basic Setting Parameters (No. PA )

Defines fundamental parameters for position control mode, including auto tuning and rotation direction.

Gain/Filter Parameters (No. PB )

Details parameters for adjusting servo gains and applying filters to optimize performance and suppress vibration.

GENERAL GAIN ADJUSTMENT

Auto Tuning

Explains automatic gain adjustment methods (modes 1 & 2) to match machine characteristics.

Manual Mode 1 (Simple Manual Adjustment)

Provides a simplified manual gain adjustment procedure using key parameters for speed and position control.

SPECIAL ADJUSTMENT FUNCTIONS

Adaptive Filter

Detects and suppresses machine vibration by automatically setting filter characteristics.

Advanced Vibration Suppression Control

Enhances vibration suppression for workpiece and base shake by automatically estimating vibration frequency.

TROUBLESHOOTING

Alarms and Warning List

Comprehensive list of alarm and warning codes, their causes, and deactivation methods.

Remedies for Alarms

Detailed troubleshooting steps for specific alarm codes to identify and resolve faults.

OPTIONS AND AUXILIARY EQUIPMENT

ABSOLUTE POSITION DETECTION SYSTEM

Features

Describes the system's ability to detect absolute machine position without home position return.

Battery Installation Procedure

Step-by-step instructions for safely installing or changing the system's battery.

Appendix

App 1. Parameter List

A comprehensive list of all adjustable parameters for basic, gain/filter, extension, and I/O settings.

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