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Contents

 

 

Table of Contents 

1. Introduction, Features and Applications.................................................................... 1 

Introduction ........................................................................................................... 1 
Features ................................................................................................................. 1 
Applications .......................................................................................................... 1 

2. Specifications ............................................................................................................ 1 

Electrical Specifications........................................................................................ 1 
Operating Environment and other Specifications.................................................. 2 
Mechanical Specifications..................................................................................... 2 
Elimination of Heat ............................................................................................... 2 

3. Pin Assignment and Description ............................................................................... 3 

Connector P1 Configurations ................................................................................ 3 
Selecting Active Edge or Aective Level and Control Signal Mode....................... 3 
Connector P2 Configurations ................................................................................ 4 

4. Control Signal Connector (P1) Interface................................................................... 4 
5. Connecting the Motor................................................................................................ 5 

Connections to 4-lead Motors ............................................................................... 5 
Connections to 6-lead Motors ............................................................................... 5 

Half Coil Configurations............................................................................... 5 
Full Coil Configurations................................................................................ 5 

Connections to 8-lead Motors ............................................................................... 6 

Series Connections ........................................................................................ 6 
Parallel 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 

Contents

 

 

II 

Standstill current setting................................................................................ 9 

8. Wiring Notes ............................................................................................................. 9 
9. Typical Connection.................................................................................................. 10 
10. Sequence Chart of Control Signals ....................................................................... 10 
11. Protection Functions.............................................................................................. 11 

Over-voltage protection....................................................................................... 11 
Over-current Protection....................................................................................... 11 
Short Circuit Protection....................................................................................... 11 
Wrong Motor Connection Protection .................................................................. 11 

12. Frequently Asked Questions.................................................................................. 11 

Problem Symptoms and Possible Causes............................................................ 12 

APPENDIX................................................................................................................. 13 

Twelve month limited warranty .......................................................................... 13 
Exclusions ........................................................................................................... 13 
Obtaining warranty service ................................................................................. 13 
Warranty limitations ............................................................................................ 13 

 

Summary of Contents for M840

Page 1: ... 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 malfu...

Page 2: ...gurations 5 Connections to 8 lead Motors 6 Series Connections 6 Parallel 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 Contents II Standstill current setting 9 8 Wiring Notes 9 9 T...

Page 3: ...uch as 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 Electrical Specifications Tj 25 M880 M840 Parameters Min Typical Max Unit Output current 2 8 1 4 7 8 3 9 Amps Supply voltage 24 68 80 VDC Logic signal current 7 10 16 mA Pulse input frequen...

Page 4: ...l NPN control signal PNP and Differential control signals are on the contrary namely Low level for enabling for enabling the driver and low level for disabling the driver Usually left UNCONNECTED ENABLED Select Active Edge or Active Level and Control Signal Mode There are two jumpers J1 and J2 inside the M880 and M840 specifically for selecting active pulse edge or active level and control signal ...

Page 5: ...current Figure 6 6 lead motor half coil higher speed connections 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 M880 M840 Microstepping Driver Manual V1 0 Tel 086 0755 26434369 6 Web Site www leadshine com motors should ...

Page 6: ... in the wrong direction as it will damage the M880 or the M840 Selecting Supply Voltage The power MOSFETS inside the M880 and the M840 can actually operate within 24V 80VDC 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 hig...

Page 7: ...ncurred in PUL 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 recomme...

Page 8: ...m is electrical or mechanical in nature The next step is to isolate the system component that is causing the problem As part of this process you may have to 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 ...

Page 9: ...hall prepay shipping charges for products returned 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 l...

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