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Specification and User Manual

DM503

Digital 2-Phase Stepper Drive

Version 1.0

©2013 All Rights Reserved

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

T: (86)755-26409254 F: (86)755-26402718

Web site:

www.leadshine.com

E-Mail:

[email protected]

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Summary of Contents for DM503

Page 1: ...DM503 Digital 2 Phase Stepper Drive Version 1 0 2013 All Rights Reserved 3 F Block 2 Nanyou Tianan Industrial Park Nanshan Dist Shenzhen China T 86 755 26409254 F 86 755 26402718 Web site www leadshine com E Mail sales leadshine com ...

Page 2: ...r 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...

Page 3: ...nections to 6 lead Motors 5 Half Coil Configurations 5 Full Coil Configurations 5 Connections to 8 lead Motors 5 Series Connections 5 Parallel Connections 6 6 Power Supply Selection 6 Regulated or Unregulated Power Supply 6 Multiple Drivers 6 Selecting Supply Voltage 7 7 Selecting Microstep Resolution and Driver Output Current 7 Microstep Resolution Selection 7 Current Settings 7 Dynamic Current S...

Page 4: ...DM503 Fully Digital Stepper Drive Manual V1 0 II Warranty Limitations 12 Contact Us 13 ...

Page 5: ...ostep output thus offers smoother motor movement 15 selectable microstep resolutions including 400 800 1600 3200 6400 12800 25600 1000 2000 4000 5000 8000 10000 20000 25000 Soft start with no jump when powered on Input voltage 18 50VDC 8 selectable peak current including 1 00A 1 46A 1 91A 2 37A 2 84A 3 31A 3 76A 4 20A Pulse input frequency up to 200 KHz TTL compatible and optically isolated input ...

Page 6: ... 6oz Mechanical Specifications unit mm inch Figure 1 Mechanical specifications Recommend use side mounting for better heat dissipation Elimination of Heat Driver s reliable working temperature should be 70 C 158 and motor working temperature should be 80 C 176 It is recommended to use automatic idle current mode namely current automatically reduce to 50 when motor stops so as to reduce driver heat...

Page 7: ...l should be ahead of PUL signal by 5μs at least 5 24V when DIR HIGH 0 0 5V when DIR LOW Please note that rotation direction is also related to motor driver wiring match Exchanging the connection of two wires for a coil to the driver will reverse motion direction DIR ENA Enable signal This signal is used for enabling disabling the driver High level NPN control signal PNP and differential control si...

Page 8: ...d use line driver control signals to increase noise immunity of the driver in interference environments In the following figures connections to open collector and PNP signals are illustrated Figure 3 Connections to open collector Figure 4 Connection to PNP signal common cathode signal common anode 5 Connecting the Motor The DM503 can drive any 2 pahse and 4 pahse hybrid stepping motors Connections...

Page 9: ... by 1 4 to determine the peak output 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 motors should be run at only 70 of their rated current to prevent over ...

Page 10: ...lower supply voltage to decrease noise heating and improve reliability Regulated or Unregulated Power Supply Both regulated and unregulated power supplies can be used to supply the driver However unregulated power supplies are preferred due to their ability to withstand current surge If regulated power supplies such as most switching supplies are indeed used it is important to have large current o...

Page 11: ...n and motor operating current as shown below Microstep Resolution Configuration Microstep resolution is set by SW5 6 7 8 of the DIP switch as shown in the following table Microstep Steps rev for 1 8 motor SW5 SW6 SW7 SW8 2 400 OFF ON ON ON 4 800 ON OFF ON ON 8 1600 OFF OFF ON ON 16 3200 ON ON OFF ON 32 6400 OFF ON OFF ON 64 12800 ON OFF OFF ON 128 25600 OFF OFF OFF ON 5 1000 ON ON ON OFF 10 2000 O...

Page 12: ... to be half of the selected dynamic current and ON meaning that standstill current is set to be the same as the selected dynamic current The current automatically reduced to 50 of the selected dynamic current one second after the last pulse Theoretically this will reduce motor heating to 36 due to P I2 R of the original value If the application needs a different standstill current please contact L...

Page 13: ... position error system instability and other failures If several more than one stepper drives share the same power supply separate connection for the drivers is recommended instead of daisy chaining connection It is prohibited to pull and plug connector P2 while the driver is powered ON due to the high current flowing in motor coils even when motor is at standstill Pulling or plugging connector P2...

Page 14: ...fective edge by 5 s to ensure correct direction c t3 Pulse width not less than 2 5 s d t4 Low level width not less than 2 5 s 11 Protection Functions To improve reliability the driver incorporates some built in protections features Priority Time s of Blink Sequence wave of red LED Description 1st 1 Over current protection activated when peak current exceeds the limit 2nd 2 Over voltage protection ...

Page 15: ...stems can be traced to electrical noise controller software errors or mistake in wiring Problem Symptoms and Possible Causes Symptoms Possible Problems Motor is not rotating No power Microstep resolution setting is wrong DIP switch current setting is wrong Fault condition exists The driver is disabled Motor rotates in the wrong direction Motor phases may be connected in reverse The driver in fault...

Page 16: ...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 limitations on how lon...

Page 17: ...Fax 86 755 2640 2718 Email sales leadshine com Technical Support Tel 86 755 2641 8447 and 86 755 2647 1129 Fax 86 755 2640 2718 Email tech leadshine com Leadshine U S A Address 25 Mauchly Suite 318 Irvine California 92618 Tel 1 949 608 7270 Fax 1 949 608 7298 Web http www leadshineUSA com Email sales leadshineUSA com and support leadshineUSA com Leadshine Hong Kong Address Rm 3 9 F Block E Wah Lok...

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