YASKAWA Motoman MH Series User Manual (English)

Questions and Answers:

M
Mark TorresAug 4, 2025
Why is my YASKAWA Motoman MH Valve Positioners motor overheating?
- C
  carlsonarielAug 4, 2025
  Your YASKAWA Valve Positioners motor might be overheating due to several reasons: * The ambient temperature may be too high. Try to reduce the ambient temperature below 40° C (104° F), as the positioner's operating range is 0 to 45° C (32 to 113°F). * The motor surface might be dirty, in which case you should clean it. * The motor could be overloaded, so reduce the load or unbalanced load.
D
Dominique LopezAug 12, 2025
What to do if YASKAWA Motoman MH Valve Positioners motor does not start?
- D
  Denise ThompsonAug 12, 2025
  If your YASKAWA Valve Positioners motor isn't starting, there are a few potential causes: * There might be a loose connection. Check all wire connections. * The system may not be wired correctly. Verify that the wiring is correct. * There could be an overload. Reduce the load or reduce any unbalanced load.
M
millermariaAug 19, 2025
Why is my YASKAWA Motoman MH operating unstable?
- J
  Joan GomezSep 12, 2025
  Unstable operation of your YASKAWA Valve Positioners could be due to incorrect wiring. Inspect and correct the wiring across the motor terminals L1, L2, L3, and PE.
J
Jessica RichardsAug 27, 2025
What causes unusual noise in YASKAWA Valve Positioners?
- M
  molly48Aug 27, 2025
  Unusual noise in your YASKAWA Valve Positioners can stem from a few sources: * The motor might be loosely mounted. Make sure to tighten the mounting bolts. * The positioners could be misaligned. Realign the headstock/tailstock. * There may be a noisy bearing. Check the alignment, bearing noise, and lubrication.

YASKAWA Motoman MH Series Specifications

General

Protection Class	IP67
Enclosure Rating	IP67
Ambient Temperature	0 to 40°C
Mounting	Floor
Compliance	CE

Summary

SECTION 1 INTRODUCTION

1.1 About this Document

Provides an overview of the manual's content, sections, and reference documents.

1.2 System Overview

Details MH-Series drive assemblies, MotoMount, NS600 module, and system layouts for Type I and Type II.

1.3 Reference to Other Documentation

Lists supplementary manuals for obtaining additional information on the system.

1.4 Customer Service Information

Provides contact details for technical assistance and essential information to have ready.

SECTION 2 SAFETY

2.1 Introduction

Stresses user responsibility for safety compliance and recommends the ANSI/RIA safety standard.

2.2 Standard Conventions

Defines signal words DANGER, WARNING, CAUTION, and NOTE for hazard communication.

2.3 General Safeguarding Tips

Offers essential safety advice for personnel operating and working near the equipment.

2.4 Safety Devices

Lists common safety devices like fences and light curtains that enhance personnel and equipment protection.

2.5 Installation Safety

Provides critical safety guidelines for equipment installation, complementing regulations.

2.6 Programming Safety

Outlines safety precautions for programming, including warnings about modifications and backups.

2.7 Operation Safety

Details safety measures and best practices for the safe operation of the system.

2.8 Maintenance Safety

Covers safety procedures and precautions to be taken during equipment maintenance.

SECTION 3 EQUIPMENT DESCRIPTION

3.1 MH-Series Drive Assemblies – Type I

Describes the design and models (MH75, MH150, MH450, MH1500) of Type I drive assemblies.

3.2 MH-series Drive Assembly – Type II

Describes the design and models (MH1000, MH3000) of Type II drive assemblies for vertical mounting.

3.3 MotoMount

Explains the MotoMount system, its benefits, and its use with MHT positioners.

3.4 NS600 Module

Details the NS600 motion-controlling package and its interfacing capabilities.

SECTION 4 INSTALLATION

4.1 Materials Required

Lists necessary customer-supplied items and tools for performing the installation procedure.

4.2 Installing the MH-Series Drive Assembly – Type I

Covers the installation steps for Type I drive assemblies, including site prep and unpacking.

4.3 Installing the MH-Series Drive Assembly – Type II

Covers the installation steps for Type II drive assemblies, including site prep and unpacking.

4.4 Tailstock Column Installation

Details tailstock column installation for Type I and Type II systems, including leveling.

4.5 MotoMount Installation

Provides instructions for installing the MotoMount system and its components onto the drive assembly.

4.6 MotoMount HD Adjustments

Outlines adjustments for MotoMount HD, including tooling fixture installation and alignment.

4.7 Conducting a Safety/Operation Check

Describes the final safety and operational checks required before system startup.

SECTION 5 TOOLING RECOMMENDATIONS

5.1 Headstock Only – Tooling Recommendations

Offers guidelines for designing tooling fixtures for stand-alone headstock assemblies.

5.2 Headstock/Tailstock with MotoMount

Provides recommendations and specifications for tooling fixtures used with MotoMount configurations.

SECTION 6 NS600 OPERATION

6.1 Operating the NS600

Explains the fundamentals of NS600 operation, including E-Stop, I/O sequencing, and motion control.

SECTION 7 MAINTENANCE

7.1 Spare Parts

Lists essential spare parts recommended for MH-Series positioners to ensure quick replacements.

7.2 Servomotor

Covers servomotor inspection and maintenance, advising against disassembly.

7.3 Weld Ground Brush Replacement – Type I

Details the procedure for replacing weld ground brushes on Type I drive assemblies (MH75/150/450/1500).

7.4 Weld Ground Brush Replacement – Type II

Details the procedure for replacing weld ground brushes on Type II drive assemblies (MH1000/3000).

7.5 Reset Headstock To Home Position

Explains how to reset the headstock home position, with procedures for NS600 and non-NS600 systems.

7.6 Adjusting Position Limit Switches

Guides the adjustment of position limit switches for setting user-defined load positions.

7.7 NS600 List of Spares

Lists specific spare parts for the NS600 system, categorized by power rating.

7.8 Maintenance Schedule

Provides a schedule for periodic maintenance tasks for MH-series positioners and MotoMount.

7.9 Troubleshooting

Offers solutions for common issues encountered with MH-series positioners and MotoMount.

APPENDIX A PERFORMANCE CHARTS

A.1 MH-series Drive Assemblies

Presents performance data charts for MH-series drive assemblies, detailing load capacities and inertia.

APPENDIX B ILLUSTRATED PARTS LIST

B.1 Introduction

Introduces the illustrated parts list and explains its structure for identifying components and ordering spares.

APPENDIX C ALARM CODES

Table C-1 Alarm Identification

Lists NS600 controller alarms with descriptions and references for troubleshooting and resolution.

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Table of Contents