Leadshine MX3660 Instructions de montage

Hardware Installation Manual

MX3660

3-Axis Stepper Drive with Breakout Board & I/O’s

Version 1.2

3 / 2015

http://www.leadshine.com

http://www.leadshineusa.com

Hardware Manual for Leashine MX3660 3-Axis Stepper Drive with Breakout Board & I/O’s ii

Notice

Read this manual carefully and the MX3660 datasheet before any assembling and using. Incorrect handling of

products in this manual can result in injury and damage to persons and machinery. Strictly adhere to the technical

information regarding installation requirements.

This manual is not for use or disclosure outside of Leadshine except under permission. All rights are reserved. No

part of this manual shall be reproduced, stored in retrieval form, or transmitted by any means, electronic,

mechanical, photocopying, recording, or otherwise without approval from Leadshine. While every precaution has

been taken in the preparation of the book, Leadshine assumes no responsibility for errors or omissions. Neither is

any liability assumed for damages resulting from the use of the information contained herein.

This document is proprietary information of Leadshine that is furnished for customer use ONLY. Information in this

document is subject to change without notice and does not represent a commitment on the part of Leadshine.

Therefore, information contained in this manual may be updated from time-to-time due to product improvements,

etc., and may not conform in every respect to former issues.

Record of Revisions

Revision

Date

Description of Release

1.0

11/2013

Initial Release

1.1

1.2

12/2013

03/2015

Update for connection diagram and digital output description

Update output current tables ,description for power input and analog

output

Hardware Manual for Leashine MX3660 3-Axis Stepper Drive with Breakout Board & I/O’s iii

Contents

1. INTRODUCTION ........................................................................................................................4

2. FEATURES .................................................................................................................................4

3. APPLICATIONS ..........................................................................................................................4

4. BLOCK DIAGRAM ......................................................................................................................5

5. DIMENSIONS ............................................................................................................................6

6. GET STARTED............................................................................................................................6

7. CONNECTING A POWER SUPPLY ................................................................................................7

8. CONNECTING STEPPER MOTORS .............................................................................................7

8.1. CONNECTING A 4-LEAD STEPPER MOTOR ............................................................................................. 7

8.2. CONNECTING A 6-LEAD STEPPER MOTOR ............................................................................................. 8

8.2.1. CONNECTING A 6-LEAD STEPPER MOTOR IN SERIES CONNECTION ................................................... 8

8.2.2. CONNECTING A 6-LEAD STEPPER MOTOR IN SERIES CONNECTION ................................................... 8

8.3. CONNECTING A 8-LEAD STEPPER MOTOR ............................................................................................. 9

8.3.1. CONNECTING A 8-LEAD STEPPER MOTOR IN SERIES CONNECTION ................................................... 9

8.3.2. CONNECTING A 8-LEAD STEPPER MOTOR IN PARALLEL CONNECTION............................................... 9

9. CONNECTING AN E-STOP SWITCH OR SHORTING THE CONNECTION .......................................10

10. ENABLING / DISABLING CHARGE PUMP ................................................................................11

11. SETTING THE “SMOOTHER” SWITCH......................................................................................11

12. CONFIGURING OUTPUT CURRENT AND MICRO STEP .............................................................12

12.1. CONFIGURING THE OUTPUT CURRENT............................................................................................. 12

12.2. CONFIGURING THE OUTPUT CURRENT............................................................................................. 13

13. CONNECTING THE DB25 CONNECTOR ....................................................................................13

13.1. CONNECTING THE DB25 STEP & DIRECTION PINS .............................................................................. 13

13.2. CONNECTING THE DB25 FAULT OUTPUT PIN..................................................................................... 14

13.3. CONNECTING THE DB25 CHARGE PUMP PIN..................................................................................... 14

13.4. CONNECTING THE PWM PIN............................................................................................................ 14

14. OPTIONAL CONNECTIONS FOR INPUTS/OUTPUTS .................................................................16

14.1. CONNECTING THE DIGITAL INPUTS .................................................................................................. 16

14.2. CONNECTING THE DIGITAL OUTPUTS ............................................................................................... 16

14.3. CONNECTING THE ANALOG OUTPUT................................................................................................ 16

APPENDIX A: MX3660 CONNECTION DIAGRAM...........................................................................19

APPENDIX B: DB25 CONNECTOR PINOUT ....................................................................................20

APPENDIX C: DIGITAL INPUTS .....................................................................................................22

APPENDIX D: DIGITAL OUTPUTS .................................................................................................23

APPENDIX E: OPTO-ISOLATED ANALOG OUTPUT .........................................................................23

APPENDIX F: STEPPER DRIVE MODULE REPLACEMENT ................................................................24

APPENDIX G: WARRANTY INFORMATION....................................................................................24

APPENDIX H: TROUBLE SHOOTING .............................................................................................24

CONTACT US .................................................................................................................................25

Hardware installation manual of the multi-axis drive MX3660

Leadshine Technology Co., Ltd Leadshine America, Inc. Page 4/25

11/F, Block A3, iPark, No.1001 Xueyuan Blvd, Nanshan District, Shenzhen, China 25 Mauchly, Suite 318, Irvine, CA 92618, USA

Tel: 86-755-26409254 Fax: 86-755-26402718 Tel: 1-949-608-7270 Fax: 1-949-608-7298

Web:www.leadshine.com Email: tech@leadshine.com Web: www.leadshine.com Email: sales@leadshineusa.com

1. Introduction

Thank you for choosing the Leadshine MX3660, a high performance 3-axis stepper drive with built-in breakout

board and I/O’s based on the latest DSP technology. The MX3660 is specially designed for EASY and RAPID control of

up to three 2-phase (1.8°) stepper motors in frame sizes NEMA 17, 23, 24, and 34. It operates under 20-60 VDC

supply voltage and can output up to 6.0A current (peak of sinusoidal) per axis. The MX3660 takes step & direction

control and is easy to implement for OEM applications.

Warning

The MX3660 can also be used to power 4-phase (0.9°) stepper motors. But in this case,

there will be 400 full steps needed for each revolution. You need to make sure that the

settings in your controller (motion controller, PLC, CNC control system…) are properly

configured to reflect this requirement.

2. Features

Power up to 3 stepper motors of NEMA 17, 23, 24, or 34

Sophisticated stepper motor control based on latest DSP technology

Built-in breakout board and I/O’s

Step & direction Control

200 KHz maximum frequency for each axis

20 - 60 VDC supply voltage

1.41 - 6.0A (1.45 - 6.0A) output current per axis

8 micro step settings: 1, 1/2, 1/4, 1/8, 1/10, 1/16, 1/32, 1/64

8 output current settings: 1.41, 2.12, 2.83, 3.54, 3.96, 4.24, 4.95, 6.0 A (version1.0b, it’s the latest and

default version for future), corresponding RMS current settings: 1.0, 1.5, 2.0, 2.5, 2.8, 3.0, 3.5, 4.25A

8 output current settings: 1.45, 2.08, 2.72, 3.37, 4.05, 4.72, 5.35, 6.0 A (for previous version1.0a)

Damping and anti resonance

Allowing individual output current & micro step configurations for each axis

Input pulse smoothing to improve performance of movement jittering

Extra low motor heating & noise

Extra smooth motor movement

Simple micro step & output current configuration via DIP switches

Fault output

Compact size and easy setup

50% automatic idle current reduction

3. Applications

The MX3660 3-axis stepper drive can be easily and rapidly implemented in stepper control systems for applications

such as CNC routers / engravers, CNC mills, CNC cutters, laser cutters / markers / engravers, CNC welders, CNC

water jets, X-Y tables, lathes, dispensing machines, medical equipment, scientific instruments…

Its unique design with built-in breakout board and I/O’s fits seamlessly in many applications powered by many

popular CNC control systems such as Mach3, Mach4, EMC, WinCNC, etc.

Hardware installation manual of the multi-axis drive MX3660

Leadshine Technology Co., Ltd Leadshine America, Inc. Page 5/25

11/F, Block A3, iPark, No.1001 Xueyuan Blvd, Nanshan District, Shenzhen, China 25 Mauchly, Suite 318, Irvine, CA 92618, USA

Tel: 86-755-26409254 Fax: 86-755-26402718 Tel: 1-949-608-7270 Fax: 1-949-608-7298

Web:www.leadshine.com Email: tech@leadshine.com Web: www.leadshine.com Email: sales@leadshineusa.com

4. Block Diagram

The following diagram shows MX3660 main internal components and how it interfaces with other components in

the motion control system of your machine/device.

Figure 1 MX3660 Block diagram

MX3660

CNC Machines / Devices

Inputs

Controller

Motion

Controller

PC-Based

Control System

(Mach3, WinCNC

EMC…)

Breakout

Board

Drive 1

I/O

Buffer

Ext. Device

(e.g. Limit Switches)

Ext. Device

(e.g. VFD)

Ext. Device

(e.g. Coolant)

PWM

Stepper Motor X

Stepper Motor Y

Stepper Motor Z

Output1

0-10V

Outputs

Ext. Device

(E.g. Spindle Motor)

4-pin Screw

Terminal

I/O’s

Input

DB25

Power

Module

Power Supply

6-bit DIP

Drive 2

4-pin Screw

Terminal

6-bit DIP

Drive 3

4-pin Screw

Terminal

6-bit DIP

Charge

Pump

Digital

Smoother

Switch

PLC

ESTOP

DSP

Hardware installation manual of the multi-axis drive MX3660

Leadshine Technology Co., Ltd Leadshine America, Inc. Page 6/25

11/F, Block A3, iPark, No.1001 Xueyuan Blvd, Nanshan District, Shenzhen, China 25 Mauchly, Suite 318, Irvine, CA 92618, USA

Tel: 86-755-26409254 Fax: 86-755-26402718 Tel: 1-949-608-7270 Fax: 1-949-608-7298

Web:www.leadshine.com Email: tech@leadshine.com Web: www.leadshine.com Email: sales@leadshineusa.com

5. Dimensions

162±0.5

169±1.5

19.5±0.3

54.5±0.3

77.5±1.5

162±0.5

16±0.2

37±1.5

3.5

Figure 2 MX3660 dimensions

6. Get Started

Before you start hardware connection, refer to the following MX3660 layout diagram (figure 3) for connector/DIP

switch location. Read the MX3660 datasheet for each connector explanation. Then, get the following prepared:

A 24-54 VDC power supply.

Up to 3 stepper motors depending on how many axes that MX3660 will power in your application.

A source of step signals, such as a motion controller, PLC, or a PC-based control system (Mach3/4 , EMC, etc.).

A small flat blade screw driver for tightening the screw connectors of the MX3660.

Whatever optional external devices needed to be controlled through the built-in outputs and inputs.

Figure 3 MX3660 layout

CN1: DB25 Connector

DP3: Z-Axis DIP switch

CN5: Z-Axis Motor Connector

DIP2: Y-Axis DIP switch

DP1: X-Axis DIP switch

CN3: X-Axis Motor Connector

CN4: Y-Axis Motor Connector

CN8: Analog Output

CN7: Digital Outputs

CN6: Digital Inputs

CN2: Power Connector

DP4: Pulse Switch &

Smoother switch

Hardware installation manual of the multi-axis drive MX3660

Leadshine Technology Co., Ltd Leadshine America, Inc. Page 7/25

11/F, Block A3, iPark, No.1001 Xueyuan Blvd, Nanshan District, Shenzhen, China 25 Mauchly, Suite 318, Irvine, CA 92618, USA

Tel: 86-755-26409254 Fax: 86-755-26402718 Tel: 1-949-608-7270 Fax: 1-949-608-7298

Web:www.leadshine.com Email: tech@leadshine.com Web: www.leadshine.com Email: sales@leadshineusa.com

7. Connecting a Power Supply

The power supply connector is located at the upper left side of MX3660 (“CN2” in Figure 3). The power supply of the

MX3660 can be connected as illustrated in Figure 4. Although MX3660’s working voltage is 20-60 VDC, we suggest

the use of a 20-54 VDC power supply to leave room for back EMF voltage charge back during motor deceleration.

Figure 4 Power supply connections

Warning

(1) Never power on the power supply before finishing all the connections and

configurations.

(2) Make sure the two power supply leads,

﹢

﹣

, are correctly connected to the MX3660

power connector. Wrong connection will destroy the MX3660 and void its warranty.

(3) Connecting a power supply with output voltage of 60VDC or up could damage the

MX3660, and void its warranty.

8. Connecting Stepper Motors

There are 3 stepper drive modules for the MX3660 to allow connections of up to three 2-phase stepper motors.

Because of the wide output current range from 1.41 to 6.0A for each stepper drive module, the MX3660 can drive

various stepper motors in frame sizes NEMA 17, 23, 24, and 34. You can find the 3 stepper drive modules locate at

CN3, CN4, and CN5 on Figure 3. These stepper motors can be 4-lead, 6-lead, or 8-lead stepper motors.

To get the maximum torque from a stepper motor, the output current required from a stepper drive equals to the

motor phase current multiplied by 1.4. Higher output current from a stepper drive module will result the stepper

motor torque; but that also increase the motor heating. Therefore, it is recommended to set “just-enough”output

put current to get the needed torque, and as less motor heating as possible.

8.1. Connecting a 4-Lead Stepper Motor

A 4 lead motor is the easiest to connect, and its speed-torque performance depends on its motor inductance.

Refer to the wiring diagram of your stepper motor, and connect its wires to the motor connector to one of the

MX3660 stepper drive module. Refer to Figure 5 on next page.

+20-60VDC

Power GND

DC Power Supply

(20-54VDC)

MX3660

Hardware installation manual of the multi-axis drive MX3660

Leadshine Technology Co., Ltd Leadshine America, Inc. Page 8/25

11/F, Block A3, iPark, No.1001 Xueyuan Blvd, Nanshan District, Shenzhen, China 25 Mauchly, Suite 318, Irvine, CA 92618, USA

Tel: 86-755-26409254 Fax: 86-755-26402718 Tel: 1-949-608-7270 Fax: 1-949-608-7298

Web:www.leadshine.com Email: tech@leadshine.com Web: www.leadshine.com Email: sales@leadshineusa.com

Figure 5 Connecting a 4-lead stepper motor

8.2. Connecting a 6-Lead Stepper Motor

The MX3660 can drive 6-lead stepper motors in either half coil connection or full coil connection. Before the

connection, please read the datasheet of your stepper motor.

8.2.1. Connecting a 6-Lead Stepper Motor in series connection

This configuration is also referred to as half chopper. When connecting a 6-lead stepper motor, the half coil

configuration uses 50% of the motor phase windings. This results in lower inductance, and hence lower torque

output at low-speed movements. Like the parallel connection of an 8 lead motor, this connection is commonly

used in applications requiring better high-speed torque performance. Refer to Figure 6 for the connection.

Figure 6 Connecting a 6-lead stepper motor in half-coil

8.2.2. Connecting a 6-Lead Stepper Motor in series connection

This configuration is also referred to as full copper. The full coil connection for a six lead motor is commonly

used in applications requiring for higher torque performance at lower-speed movements. Refer to Figure 7 for

the connection.

Figure 7 Connecting a 6-lead stepper motor in full coil

A+

A-

B+

B-

MX3660

A+

A-

B+

B-

(Ne

gati

ve)

6-lead Stepper Motor

6 Leads

A+

A-

B+ B-

A+

A-

B+

B-

MX3660

A+

A-

B+

B-

(Ne

gati

ve)

6-lead Stepper Motor

6 Leads

A+

A-

B+ B-

A+

A-

B+

B-

MX3660

A+

A-

B+

B-

(Ne

gati

ve)

4-lead Stepper Motor

4 Leads

A+

A-

B+ B-

Hardware installation manual of the multi-axis drive MX3660

Leadshine Technology Co., Ltd Leadshine America, Inc. Page 9/25

11/F, Block A3, iPark, No.1001 Xueyuan Blvd, Nanshan District, Shenzhen, China 25 Mauchly, Suite 318, Irvine, CA 92618, USA

Tel: 86-755-26409254 Fax: 86-755-26402718 Tel: 1-949-608-7270 Fax: 1-949-608-7298

Web:www.leadshine.com Email: tech@leadshine.com Web: www.leadshine.com Email: sales@leadshineusa.com

8.3. Connecting a 8-Lead Stepper Motor

The MX3660 can drive an 8-lead stepper motor in either series connection or parallel connection. Before the

connection, please read the datasheet of your stepper motor.

8.3.1. Connecting a 8-Lead Stepper Motor in series connection

Refer to the wiring diagram of your stepper motor datasheet. Figure 8 illustrates how to connect an 8-lead

stepper motor to the MX3660 in series connection.

An 8-lead stepper motor in series connection requires less current, so the motor coils can be charged quicker

and achieves peak output torque faster than the same motor connected in parallel connection. This makes

series connection preferable for applications that require higher torque at lower speed. But on the other side,

because of its higher inductance, 8-lead stepper motor in series connection generates more motor heating and

its higher speed torque performance is not good as a parallel connected stepper motor. It is recommended for

not setting drive current no more than 70% of its rated current to prevent too much heating for a series

connected 8-lead stepper motor, but what current to set is application dependent and at a user’s choice.

Figure 8 Connecting an 8-lead stepper motor in series connection

8.3.2. Connecting a 8-Lead Stepper Motor in Parallel Connection

Refer to the wiring diagram of your stepper motor datasheet. Figure 9 illustrates how to connect an 8-lead

stepper motor to the MX3660 in parallel connection.

Due to the lower inductance for an 8-lead stepper motor in parallel connection, its high speed torque drops

slower (“better high-speed torque”) than in series connection during higher speed motor rotation. This makes

parallel connection preferred for applications runs in high speeds constantly such as CNC Routers. Due to the

parallel connected stepper motor will draw more current, thus it also has high requirements for the powering

stepper drive. Fortunately, the maximum 6.0A output for each of three stepper drive module will allow the

MX3660 to drive stepper motors up to NEMA 34 in parallel connection.

Theoretically, to get the maximum torque of a parallel connected 8-lead stepper motor, you should multiply the

phase current by 1.4. But it is suggested to set a “just enough” lower value to prevent too much heating from

your stepper motor.

A+

A-

B+

B-

MX3660

A+

A-

B+

B-

(Ne

gati

ve)

8-lead Stepper Motor

8 Leads

A+

A-

B+ B-

Hardware installation manual of the multi-axis drive MX3660

Leadshine Technology Co., Ltd Leadshine America, Inc. Page 10/25

11/F, Block A3, iPark, No.1001 Xueyuan Blvd, Nanshan District, Shenzhen, China 25 Mauchly, Suite 318, Irvine, CA 92618, USA

Tel: 86-755-26409254 Fax: 86-755-26402718 Tel: 1-949-608-7270 Fax: 1-949-608-7298

Web:www.leadshine.com Email: tech@leadshine.com Web: www.leadshine.com Email: sales@leadshineusa.com

Figure 9 Connecting an 8-lead stepper motor in parallel connection

Warning

Never connect or disconnect a stepper motor while the power is on.

9. Connecting an E-Stop Switch or Shorting the Connection

The E-Stop connection is required. The E-Stop connector is located next to the power connector (Figure 3). By

default, the MX3660’s activation requires an emergency stop switch connected, or having the two connection

pins, “ESTOP+”and “ESTOP-“, shorted.

Refer to Figure 10 for how to connect an”E-Stop switch. To short the E-Stop connection, just connect a signal

wire between the “ESTOP+” and “ESTOP –” pins.

Figure 10 E-stop switch connections

Notice

Without the a E-STOP switch connected, or short circuit between Estop+ and Estop-

pins, the red LED lights of the 3 stepper drive modules will blink 3 times periodically

when MX3660 is powered on

Estop+

Estop-

MX3660

E-Stop Switch

Normal close

A+

A-

B+

B-

MX3660

A+

A-

B+

B-

(Ne

gati

ve)

8-lead Stepper Motor

8 Leads

A+

A-

B+ B-

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