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Contents 

Table of Contents 

1. Introduction, Features and Applications

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Introduction

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Features

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Applications

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2. Specifications and Operating Environment

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Electrical Specifications

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Operating Environment and other Specifications

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Mechanical Specifications

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3. Pin Assignment and Description

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Connector P1 Configurations

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Connector P2 Configurations

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4. Control Signal Connector (P1) Interface

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5. Connecting the Motor

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Connections to 4-lead Motors

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Connections to 6-lead Motors

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Half Coil Configurations

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Full Coil Configurations

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Connections to 8-lead Motors

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Series Connections

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Parallel Connections

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6. Power Supply Selection

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Regulated or Unregulated Power Supply

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Multiple Drivers

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Selecting Supply Voltage

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7. Selecting Microstep Resolution and Driver Output Current

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Microstep Resolution Selection

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Current Settings

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Dynamic Current Setting

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Standstill Current Setting

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8. Wiring Notes

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Contents 

II 

9. Typical Connection

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10. Sequence Chart of Control Signals

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11. Protection Functions

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Over-voltage Protection

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Coil-ground Short Circuit Protection

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12. Frequently Asked Questions

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Problem Symptoms and Possible Causes

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APPENDIX

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Twelve Month Limited Warranty

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Exclusions

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Obtaining Warranty Service

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Warranty Limitations

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Shipping Failed Product

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Authorized Distributor of Leadshine Technology

www.leadtronker.com

www.leadtronker.com

雷赛智能官方代理:雷创智能科技

Содержание ME742

Страница 1: ...unction or design Leadshine does not assume any liability arising out of the application or use of any product or circuit described herein neither does it convey any license under its patent rights of others Leadshine s general policy does not recommend the use of its products in life support or aircraft applications wherein a failure or malfunction of the product may directly threaten life or inj...

Страница 2: ...el Connections 6 6 Power Supply Selection 7 Regulated or Unregulated Power Supply 7 Multiple Drivers 7 Selecting Supply Voltage 7 7 Selecting Microstep Resolution and Driver Output Current 8 Microstep Resolution Selection 8 Current Settings 8 Dynamic Current Setting 9 Standstill Current Setting 9 8 Wiring Notes 9 Contents II 9 Typical Connection 10 10 Sequence Chart of Control Signals 10 11 Protec...

Страница 3: ...s X Y tables labeling machines laser cutters engraving machines pick place devices and so on Particularly adapt to the applications desired with low vibration high speed and high precision 2 Specifications and Operating Environment Electrical Specifications Tj 25 ME742 Parameters Min Typical Max Unit Output current 1 0 4 2 3 0A RMS A Supply voltage 20 48 70 VDC Logic signal current 7 10 16 mA Puls...

Страница 4: ... the driver and low level for disabling the driver Usually left UNCONNECTED ENABLED Selecting Active Edge or Active Level and Control Signal Mode There are two jumpers J1 and J2 inside the ME742 specifically for selecting active edge or active level and control signal mode as shown in figure 2 Default setting is PUL DIR mode and upward rising edge active a J1 J2 open circuit b J1 short circuit J2 ...

Страница 5: ...onnections Full Coil Configurations The full coil configuration on a six lead motor should be used in applications where higher torque at lower speeds is desired This configuration is also referred to as full copper In full coil mode the ME742 Economical Microstepping Driver Manual V1 0 Tel 086 0755 26434369 6 Web Site www leadshine com motors should be run at only 70 of their rated current to pre...

Страница 6: ...ing Supply Voltage The power MOSFETS inside the ME742 can actually operate within 20V 70VDC including power input fluctuation and back EMF voltage generated by motor coils during motor shaft deceleration Higher supply voltage can increase motor torque at higher speeds thus helpful for avoiding losing steps However higher voltage may cause bigger motor vibration at lower speed and it may also cause...

Страница 7: ...L DIR signal pulse direction signal wires and motor wires should not be tied up together It is better to separate them by at least 10 cm otherwise the disturbing signals generated by motor will easily disturb pulse direction signals causing motor position error system instability and other failures l If a power supply serves several drivers separately connecting the drivers is recommended instead ...

Страница 8: ...disconnect the individual components that make up your system and verify that they operate independently It is important to document each step in the troubleshooting process You may need this documentation to refer back to at a later date and these details will greatly assist our Technical Support staff in determining the problem should you need assistance Many of the problems that affect motion c...

Страница 9: ...rned to Leadshine for warranty service and Leadshine shall pay for return of products to customer Warranty Limitations Leadshine makes no other warranty either expressed or implied with respect to the product Leadshine specifically disclaims the implied warranties of merchantability and fitness for a particular purpose Some jurisdictions do not allow limitations on how long and implied warranty la...

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