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User

s Manual 

For 

ME742 

Economical Microstepping Driver

 

Version

 

1.0 

©

2006 All Rights Reserved

 

 

Attention: Please read this manual carefully before using the driver!

 

 

3/F, Block 2, Nanyou Tianan Industrial Park, Nanshan Dist, Shenzhen, China 

PH. (86)755-26434369            FAX (86)755-26402718 

Web site: 

www.leadshine.com

    E-Mail: 

sales@leadshine.com

 

 

 

The

 

content  in  this  manual  has  been  carefully  prepared  and  is  believed  to  be  accurate,  but  no 

responsibility is assumed for inaccuracies. 
 
Leadshine  reserves  the  right  to  make  changes  without  further  notice  to  any  products  herein  to 
improve reliability, function 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 injury. 
According to Leadshine

s terms  and conditions of sales, the user of Leadshine

s products in life 

support or aircraft applications assumes all risks of such use and indemnifies Leadshine against all 
damages. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

©

2006 by Leadshine Technology Company Limited. 

All Rights Reserved

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

Summary of Contents for ME742

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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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