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HELIX DM422, User Manual

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HELIX DM422 User Manual Download Page 11

     

DM422 Digital Stepping Drive Manual V1.0

 

Toll Free 1-855-435-4958   

    16     

Figure 12: License agreement 

Choose “I agree to the terms of this license agreement” and click 

Next

 to continue installation. The 

user can enter user’s information in the following window. See Figure 13. After entering the user’s 
information, click 

Next

 to select installation folder, where you would like to install the 

ProTuner

. See 

Figure 14. 

Figure 13: User’s information settings 

     

DM422 Digital Stepping Drive Manual V1.0

 

Toll Free 1-855-435-4958   

    17     

Figure 14: Installation folder settings 

Figure 15: Shortcut folder setting 

Set the “Shortcut Folder” in Figure 15 and continue to install the 

ProTuner

 by following Figure 16 

and  Figure  17.  An 

Installation  Successful

  window  will  appear  if  the 

ProTuner

  is  installed 

successfully. See Figure 18. 

  Web Site: www.helixlinear.com 

  Web Site: 

www.helixlinear.com

 

Summary of Contents for DM422

Page 1: ...ny 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 Helix Linear 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 Helix Linear s terms and ...

Page 2: ...rs 8 Selecting Supply Voltage 8 7 Selecting Microstep Resolution and Driver Output Current 8 Microstep Resolution Selection 8 Current Settings 9 Contents II Dynamic current setting 9 Standstill current setting 10 8 Wiring Notes 10 9 Typical Connection 10 10 Sequence Chart of Control Signals 11 11 Protection Functions 12 Over current Protection 12 Over voltage Protection 12 Phase Error Protection 1...

Page 3: ...re the standstill current in the software What s more a pulse filter smoother has been built into the DM422 Features l Anti Resonance provides optimum torque and nulls mid range instability l Motor self test and parameter auto setup technology offers optimum responses with different motors l Multi Stepping allows a low resolution step input to produce a higher microstep output for smooth system pe...

Page 4: ...ns of the two connectors More detailed descriptions of the pins and related issues are presented in section 4 5 9 Connector P1 Configurations Pin Function Details PUL Pulse signal In single pulse pulse direction mode this input represents pulse signal each rising or falling edge active software configurable 4 5V when PUL HIGH 0 0 5V when PUL LOW In double pulse mode pulse pulse this input represen...

Page 5: ...l common anode DM422 Digital Stepping Drive Manual V1 0 Toll Free 1 855 435 4958 5 Figure 3 Connections to differential control signal 5 Connecting the Motor The DM422 can drive any 2 pahse and 4 pahse hybrid stepping motors Connections to 4 lead Motors 4 lead motors are the least flexible but easiest to wire Speed and torque will depend on winding inductance In setting the driver output current m...

Page 6: ...ng by 1 4 to determine the peak output current Figure 8 8 lead motor parallel connections NEVER disconnect or connect the motor while the power source is energized 6 Power Supply Selection The DM422 can match medium and small size stepping motors from NEMA frame size 14 to 23 made by Helix Linear or other motor manufactures around the world To achieve good driving performances it is important to s...

Page 7: ...low Microstep Resolution Selection When it s not in software configured mode microstep resolution is set by SW5 6 of the DIP switch as shown in the following table DM422 Digital Stepping Drive Manual V1 0 Toll Free 1 855 435 4958 9 Microstep Steps rev for 1 8 motor SW5 SW6 1 to 512 Default Software configured ON ON 8 1600 OFF ON 16 3200 ON OFF 32 6400 OFF OFF Current Settings For a given motor hig...

Page 8: ... l If a power supply serves several drivers separately connecting the drivers is recommended instead of daisy chaining l It is prohibited to pull and plug connector P2 while the driver is powered ON because there is high current flowing through motor coils even when motor is at standstill Pulling or plugging connector P2 with power on will cause extremely high back EMF voltage surge which may dama...

Page 9: ...ll be free or the LED will turn red Reset the driver by repowering it to make it function properly after removing above problems Since there is no protection against power leads reversal it is critical to make sure that power supply leads correctly connected to driver Otherwise the driver will be damaged instantly Protection Indications Priority Time s of ON Sequence wave of RED LED Description 1s...

Page 10: ... set too high DM422 Digital Stepping Drive Manual V1 0 Toll Free 1 855 435 4958 15 13 Professional Tuning Software ProTuner Introduction This section will provide an overview of connection and basic setup instructions for Helix Linear s digital stepping driver DM422 using the ProTuner software These instructions will walk you through the following steps necessary to start up your driver and motor ...

Page 11: ...nstallation folder where you would like to install the ProTuner See Figure 14 Figure 13 User s information settings DM422 Digital Stepping Drive Manual V1 0 Toll Free 1 855 435 4958 17 Figure 14 Installation folder settings Figure 15 Shortcut folder setting Set the Shortcut Folder in Figure 15 and continue to install the ProTuner by following Figure 16 and Figure 17 An Installation Successful wind...

Page 12: ...ious sections and connect the PC to the driver as the following figure RS232 Interface Connection Figure 19 RS232 interface connection Testing the Stepping System Turn on the power supply the green Power LED will light The DM422 has default parameters stored in the driver If the system has no hardware and wirings problem the motor should be locked and the driver should be ready If the red LED imme...

Page 13: ...ure Com communication interface l Parameteres Configuration Read write parameters between the driver and the ProTuner or save configuration as a file and load configuration from a file l Exit Exit the ProTuner Com Config Window Figure 21 RS232 communication configuration window Serial Port Select the serial communication port to which the driver is connected The factory default setting is COM1 Bau...

Page 14: ...erformances in tracking current setting command in each step like Figure 23 Too large Proportional Gain values will cause oscillations and unstable systems Load configurations from a file Save configuration to a file Close this window DM422 Digital Stepping Drive Manual V1 0 Toll Free 1 855 435 4958 23 Figure 23 Current Tuning window Ki Integral Gain Integral Gain helps the driver to overcome stat...

Page 15: ...t the microstep with ProTuner or DIP switches See more information about setting output current of the driver in section 7 Selecting Microstep Resolution and Driver Output Current ElecDamp Electronic Damping Coefficient The electronic damping restrain resonance of the system and prevent amplitude of the oscillation from increasing to the extend that it makes the motor out of control The optimal va...

Page 16: ...motion be bidirectional Otherwise the motor only run in one direction Positive It is used to change the initial direction for the motion DM422 Digital Stepping Drive Manual V1 0 Toll Free 1 855 435 4958 27 Interval Stop time before the next motion repeat Unit ms Repeats Motion repeat times If it is bidirectional one repeat is moving forward then back Distance Moving distance in one direction in re...

Page 17: ...Stepping Drive Manual V1 0 Toll Free 1 855 435 4958 29 OverCurrent Over current Protection Protection will be activated when continuous current exceeds 16A OverVoltage Over voltage Protection When power supply voltage exceeds 42 1 VDC protection will be activated PhaseErr Phase Error Protection Motor power lines wrong not connected will activate this protection ErrCounter Displays current error s ...

Page 18: ...ipping charges for products returned to Helix Linear for warranty service and Helix Linear shall pay for return of products to customer Warranty Limitations Helix Linear makes no other warranty either expressed or implied with respect to the product Helix Linear specifically disclaims the implied warranties of merchantability and fitness for a particular purpose Some jurisdictions do not allow lim...

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