User`s Manual-M542H - Stepper Motor Drivers
Contents
1. The first three bits SW1 2 3 of the DIP switch are used to set the dynamic current Select a setting closest to your motor s required current Dynamic Current Setting O of 40 ee of off off Notes Due to motor inductance the actual current in the coil may be smaller than the dynamic current http www stepmotordriver com 15 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H setting particularly under high speed condition Standstill Current Setting SW4 is used for this purpose OFF meaning that the standstill current is set 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 60 of the selected dynamic current one second after the last pulse Theoretically this will reduce motor heating to 36 due to P l2 R of the original value If the application needs a different standstill current please contact Sunwind 8 Wiring Notes In order to improve anti interference performance of the driver it is recommended to use twisted pair shield cable To prevent noise incurred 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 othe2. driver in interference environments In the following figures connections to open collector and PNP signals are illustrated i Driver vcc 2700 R 0 if VCC 5V lim gt R 1K Power gt 0 125W if VCC 12V R 2K Power gt 0 125W if VCC 24V R must be connected to control signal terminal http www stepmotordriver com 9 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H Figure 3 Connections to open collector signal common anode R 0 if VCC 5V l ee ee R 1K Power gt 0 125W if VCC 12V R 2K Power gt 0 125W if VCC 24V R must be connected to control signal terminal Figure 4 Connection to PNP signal common cathode 5 Connecting the Motor The M542H driver 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 multiply the specified phase current by 1 4 to determine the peak output current P2 Figure 5 4 lead Motor Connections http www stepmotordriver com 10 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H Connections to 6 lead Motors Like 8 lead stepping motors 6 lead motors have two configurations available for high speed or high torque operation The higher speed configuration or half coil is so described because i
3. this signal has low high voltage levels representing two directions of motor rotation in double pulse mode set by inside jumper J3 this signal is counter clock CCW pulse effective for high level or low level set by inside jumper Jl For reliable motion response DIR signal should be ahead of PUL signal by 5u s at least 4 5V when DIR HIGH 0 0 5V when DIR LOW Single pulse and double pulses mode switch There are two jumpers inside the M542H specifically for switch Single pulse and double pulses mode as shown in figure 2 Default setting is Single pulse mode JP1 Jumpers ee o ete o Oo 0 0 efe 6 1 LL 2 amp 5 2 3 4 5 6 Single Pulse Mode Double Pulses Mode Figure 2 Single pulse double pulses mode switch http www stepmotordriver com 8 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H Connector P2 Configurations I er ground Motor Phase B DC power supply DC20 100V Including voltage fluctuation and EMF voltage 4 Control Signal Connector P1 Interface The M542H can accept differential and single ended input signals including open collector and PNP output The M542H has 3 optically isolated logic inputs which are located on connector P1 to accept line driver control signals These inputs are isolated to minimize or eliminate electrical noises coupled onto the drive control signals Recommend use line driver control signals to increase noise immunity of the
4. Coil Configurations PETETLTTTL ESTELLE TEKE ETER FEE EEE 11 Connections to 8 lead MOtOrs t tt trrrr anna nn ran nnnnn rn nnnunnnnnnnenannnnnnnnnnnnnrnnnnnnnnnnnnnr 12 Series Connections Ser TUFTET A a aicie s a sG alstsinteVasieSaS on ecescSbdeteyscnauisuaice ae caeess sietacecscamsasie 12 Parallel Connections ETE EE EEE PENE 12 6 Power supply Selection OTTER EEE EET TELLE LE LEE FEET 13 http www stepmotordriver com 3 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H Regulated or Unregulated Power Supply vannnannunnnnnvnnnnnnnannennannunnnnnvnennennnnnunnnnsnnnnnnnen 13 Multiple Drivers ses0esrerseevsvrensransavsessenvs vrnssavsnsenssensensessrnssevenssessensessensseresssessnnnnn 14 Selecting Supply Voltage Pee eee eee eee reer eee errr reer rere eee eee reer rere eee tere ee eee rere ee eee eee eee 14 7 Selecting Microstep Resolution and Driver Output Currentevevevenenenennenne 14 Microstep Resolution Selection t t tt ttrtrtrrsrrrrrrrrr arr rn rann nunnnnrannnenenenenenarnnnnnnnnnnnr 15 Current Settings Peer ere re rere eee reer rere er ere rere errr ee rere reer rere ree terete errr errr eee treet ere reer errr tire 15 Dynamic Current Setting vaunnnnnnnnunnnnnvnnnnnnnannvnnannennnnnunnnnnvnnnnuvnnnnannnnnennnnnnnnnnnnnnnnnvnnnnener 15 Standstill Current Setting sannnnnnunnnnnvnnnnnnnnnnnnnnnnvnnnnnnnnnsvnnnnnvennnnnnnnnennnnnnnnnnnnnvnnnnnnnnnnennaner 16 8 Wiring NoOtes 0
5. OG sunwind Electronics Company Ltd Stepper Motor Driver M542H User s Manual M542H Stepper Motor Driver Version 1 0 2006 All Rights Reserved Attention Please read this manual carefully before using the driver PAR Microstep Driver PUL 18V rm E Dir 80 DIR DIR enk V eu EM la tttttt Faia rep Swe sm SME ss SM m m sm 4e ot Sunwind Electronics Company Ltd Add 7th Floor Block H Juyin Industrial Park Ganli Road 1 Buji Shenzhen China Homepage http www stepmotordriver com E mail info stepmotordriver com Phone 0086 755 86610835 Fax 0086 755 86610201 http www stepmotordriver com 1 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H The content in this manual has been carefully prepared and is believed to be accurate but no responsibility is assumed for inaccuracies Sunwind reserves the right to make changes without further notice to any products herein to improve reliability function or design Sunwind 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 Sunwind 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 Sunwind s terms and conditions of sales the user of Sun
6. al 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 these details will greatly assist our Technical Support staff in determining the problem should you need assistance Many of the problems that affect motion control systems can be traced to electrical noise controller software errors or mistake in wiring Problem Symptoms and Possible Causes Microstep resolution setting is wrong Fault condition exists http www stepmotordriver com 19 21 sales stepmotordriver com OG sunwind Electronics Company Ltd Stepper Motor Driver M542H Motor phases may be connected in reverse Something wrong with motor coil Control signal is interfered Something wrong with motor coil Current setting is too small Acceleration is set too high Inadequate heat sinking cooling Current is set too high APPENDIX Twelve Month Limited Warranty Sunwind Electronics Company Limited warrants its products against defects in materials and workmanship for a period of 12 months from shipment out of factory During the warranty period Sunwind will either at its option repair or replace products which p
7. cations Introduction The M542H is an economical microstepping driver based on patented technology of Sunwind It is suitable for driving 2 phase and 4 phase hybrid stepping motors By using the advanced bipolar constant current chopping technique it can output more speed and torque from the same motor compared with traditional drivers such as L R drivers Its 3 state current control technology allows coil currents to be well controlled and with relatively small current ripple therefore less motor heating is achieved Features Low cost and good high speed torque amp Automatic idle current reduction amp Supply voltage up to 100VDC amp 16 selectable resolutions amp Output current up to 4 5A DIP switch current setting with 8 Pulse frequency up to 300 KHz different values amp 3 state current control technology CW CCW mode available optional amp Suitable for 2 phase and 4 phase motors Optically isolated input signals Over voltage and short circuit protection Slim size 118x75 5x33mm Applications Suitable for a wide range of stepping motors from NEMA size 17 to 34 It can be used in various kinds of http www stepmotordriver com 5 21 sales stepmotordriver com OG sunwind Electronics Company Ltd Stepper Motor Driver M542H machines such 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 h
8. com to obtain a returned material authorization number RMA before returning product for service Please include a written description of the problem along with contact name and address Send failed product to distributor in your area or Sunwind Electronics Company Limited Add 7th Floor Block H Juyin Industrial Park Ganli Road 1 Buji Shenzhen China P C 518112 Also enclose information regarding the circumstances prior to product failure http www stepmotordriver com 21 21 sales stepmotordriver com
9. ed requirement is low it s better to use 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 output rating to avoid problems like current clamp for example using 4A supply for 3A motor driver operation On the other hand if unregulated supply is used one may use a power supply of lower current rating than that of motor typically 50 70 of motor current The reason is that the driver draws current from the power supply capacitor of the unregulated supply only during theON duration of the PWM cycle but not during http www stepmotordriver com 13 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H the OFF duration Therefore the average current withdrawn from power supply is considerably less than motor current For example two 3A motorscan be well supplied by one power supply of 4A rating Multiple Drivers It is recommended to have multiple drivers to share one power supply to reduce cost if the supply has enough capacity To avoid cross interference DO NOT daisy chain the power supply input pins of the drivers Instead please connect them to p
10. igh speed and high precision 2 Specifications and Operating Environment Electrical Specifications Tj 25 C 0 00 300 KHz 24 VDC Operating Environment and other Specifications Environment Avoid dust oil fog conosive gases Humidity 40 RH 90 RH Vibration 5 9m s2 Max a dd meet Height 2808ran 0 92 http www stepmotordriver com 6 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H Mechanical Specifications unit mm 1 inch 25 4 mm Front View Side View Figure 1 Mechanical specifications Recommended to use side mounting for better heat dissipation Elimination of Heat Driver s reliable working temperature should be lt 65 C and motor working temperature should be lt 80 C It is recommended to use automatic idle current reduction mode namely current automatically reduce to 60 when motor stops so as to reduce driver heating and motor heating http www stepmotordriver com 7 21 sales stepmotordriver com OG sunwind Electronics Company Ltd Stepper Motor Driver M542H It is recommended to side mounting to maximize heat sink area 3 Pin Assignment and Description The M542H has two connectors connector P1 for control signals connections and connector P2 for power and motor connections The following tables are brief descriptions of the two connectors of the M542H Connector P1 Configurations DIR signal In single pulse mode
11. n would typically be used in applications where a higher torque at lower speeds is required Because this configuration has the most inductance the performance will start to degrade at higher speeds In series mode the motors should also be run at only 70 of their rated current to prevent over heating P2 Figure 8 8 lead motor series connections Parallel Connections An 8 lead motor in a parallel configuration offers a more stable but lower torque at lower speeds But because of the lower inductance there will be higher torque at higher speeds Multiply the per phase or unipolar current rating by 1 96 or the bipolar current rating by 1 4 to determine the peak output current http www stepmotordriver com 12 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H P2 Figure 9 8 lead motor parallel connections 6 Power supply Selection The M542H can match medium and small size stepping motors from Nema size 17 to 34 made by Sunwind or other motor manufactures around the world To achieve good driving performances it is important to select supply voltage and output current properly Generally speaking supply voltage determines the high speed performance of the motor while output current determines the output torque of the driven motor particularly at lower speed Higher supply voltage will allow higher motor speed to be achieved at the price of more noise and heating If the motion spe
12. ower supply separately Attention NEVER connect power and ground in the wrong direction as it will damage the M542H Selecting Supply Voltage The power MOSFETS inside the M542H can actually operate within 20V 100VDC max DC110V 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 over voltage protection or even driver damage Therefore it is suggested to choose only sufficiently high supply voltage for intended applications and it is suggested to use power supplies with theoretical output voltage of DC 20 100V max DC110V leaving room for power fluctuation and back EMF 7 Selecting Microstep Resolution and Driver Output Current This driver uses an 8 bit DIP switch to set microstep resolution and motor operating current as shown below Dynamic Current Microstep Resolution Standstill Current half full http www stepmotordriver com 14 21 sales stepmotordriver com OG sunwind Electronics Company Ltd Stepper Motor Driver M542H Microstep Resolution Selection Microstep resolution is set by SW5 6 7 8 of the DIP switch as shown in the following table ON 81200 EE ol 08002000 orr om 0 086 10000 EE 0 0072 50000 Current Settings
13. r failures If a power supply serves several drivers separately connecting the drivers is recommended instead of daisy chaining 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 damage the driver http www stepmotordriver com 16 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H 9 Typical Connection A complete stepping system should include stepping motor stepping driver power supply and controller pulse generator A typical connection is shown as figure 10 PUSS REDE Controller I DC Supply 20 to 100VDC Stepping Motor R 0 if VCC 5V R 1K Power gt 0 125W if VCC 12V R 2K Power gt 0 125W if VCC 24V signal terminal R must be connected to control Figure 10 Typical connection 10 Sequence Chart of Control Signals In order to avoid some fault operations and deviations PUL DIR and ENA signals must abide by some rules as shown in the following diagram assuming J1 default setting is upward rising edge active http www stepmotordriver com 17 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H t gt 5us gt tie ai tj i High Level gt 3 5V PUL i 1 i a k High Le
14. roved to be defective Exclusions The above warranty does not extend to any product damaged by reasons of improper or inadequate handlings by customer improper or inadequate customer wirings unauthorized modification or misuse or operation beyond the electrical specifications of the product and or operation beyond environmental specifications for the product Obtaining Warranty Service To obtain warranty service a returned material authorization number RMA must be obtained http www stepmotordriver com 20 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H from customer service at e mail info stepmotordriver com before returning product for service Customer shall prepay shipping charges for products returned to Sunwind for warranty service and Sunwind shall pay for return of products to customer Warranty Limitations Sunwind makes no other warranty either expressed or implied with respect to the product Sunwind 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 lasts so the above limitation or exclusion may not apply to you However any implied warranty of merchantability or fitness is limited to the 12 month duration of this written warranty Shipping Failed Product If your product fail during the warranty period e mail customer service at info stepmotordriver
15. rseesseeseeneavsensnavansenssnssevsenssnsensrsssevessenssensessensssvessenssessensensensessensensenn 16 9 Typical Connection corr rene ener ee ee nee ee arene nent neta ea eae 17 10 Sequence Chart of Control Signals eee eee eee eee reer eee rere ere etree eee eee eee rere eee eee ere eee 17 44 Protection F hetons r ta r t ne eee mme 18 Over voltage Protection i etrsttrrertrrrrrrrsrrrrrrrrrrrrrrnrrnnrrnnnrrnenrerrrnnrnnnnnnrrnrnnrnnrrnrnnnnnnnnnn nunn 18 Coil ground Short Circuit Protection gt gt gt gt gt sseseeressrssensnsrnsrnsenvanenvrvrasensensenrnsrnse vanns 19 12 Frequently Asked Questions sannnnnnnnnunnnnnvnnnnannnnnunnnnnvnnnnannevnunnnnnnnnnnevnnvnnunnnnnnnunnvnnnnener 19 Problem Symptoms and Possible Causes corre terete eerie 19 APPEND NG ae andsdrienaneditdndsadunnedesserbjrndamdantereekadnnannsnn nd 20 Twelve Month Limited Warranty e 0eeseseesseeveeseansensenessenvsrserssensensesssnssersessensnnse 20 Exclusions siainen en a p ea a a NG 20 Obtaining Warranty GeryjCEQittrerttrrtrrrrrrrrrrrrrrrrrrrnrrsrrnrrnrrnrrnnrrnnntnetnnnnnnnnnnnnnnnnnnnnennennne 20 Warranty Limitationse eetet ettette tttteessettttrreetsennnneettnnnttrteeeeettteteeeeensts 21 Shipping Failed Product s rssrssesssrensrsseneavsavsnvavsensnssnsenvenvennavenssnssnsensensenvovenvennn 21 http www stepmotordriver com 4 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H 1 Introduction Features and Appli
16. t uses one half of the motor s inductor windings The higher torque configuration or full coil uses the full windings of the phases Half Coil Configurations As previously stated the half coil configuration uses 50 of the motor phase windings This gives lower inductance hence lower torque output Like the parallel connection of 8 lead motor the torque output will be more stable at higher speeds This configuration is also referred to as half chopper In setting the driver output current multiply the specified per phase or unipolar current rating by 1 4 to determine the peak output current P2 A A NC B B NC 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 heating http www stepmotordriver com 11 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H P2 A 4 NC B B Figure 7 6 lead motor full coil higher torque connections Connections to 8 lead Motors 8 lead motors offer a high degree of flexibility to the system designer in that they may be connected in series or parallel thus satisfying a wide range of applications Series Connections A series motor configuratio
17. vel gt 3 5V s PEA i Low Level lt 0 5V it OUS i DIR t 294s j Za m Low Level lt 0 5V ENA Figure 11 Sequence chart of control signals Remark 1 ti ENA must be ahead of DIR by at least 5us Usually ENA and ENA are NC not connected See Connector P1 Configurations for more information 2 tz DIR must be ahead of PUL effective edge by at least 5us to ensure correct direction 3 ta Pulse width not less than 1 5ys 4 ta low level width not less than 1 5pus 11 Protection Functions To improve reliability the driver incorporates some built in protections features Over voltage Protection When power supply voltage exceeds 110VDC protection will be activated and power red indicator LED will light http www stepmotordriver com 18 21 sales stepmotordriver com OG sunwind Electronics Company Ltd Stepper Motor Driver M542H Coil ground Short Circuit Protection Protection will be activated in case of short circuit between motor coil and ground Attention Since there is no protection against power leads reversal it is critical to make sure that power supply leads correctly connected to the driver Otherwise the driver will be damaged instantly When power supply voltage is lower than 20VDC the driver will not works properly 12 Frequently Asked Questions In the event that your M542H doesn t operate properly the first step is to identify whether the problem is electrical or mechanic
18. wind s products in life support or aircraft applications assumes all risks of such use and indemnifies Sunwind against all damages 2006 by Sunwind Electronics Company Limited All Rights Reserved http www stepmotordriver com 2 21 sales stepmotordriver com sunwina Electronics Company Ltd Stepper Motor Driver M542H Table of Contents 1 Introduction Features and Applications PE U TETT TE Adada Aaa ANNONS NNSS ASSE AAA FLEIRE 5 Introduction Mk EEE 5 Features crete rann nn annan even enn nunnnnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnnnnnnnnnnnr 5 Applications Protec Orit ere enka ero er cece ere rc oe en aa creer 5 2 Specifications and Operating Environment cccccccccct tc eee 6 Electrical Specifications eee 6 Operating Environment and other Specifications PPP TITTLE LTL TETEE ELLE 6 Mechanical Specifications Dies vrede eee anaana ees 7 3 Pin Assignment and Description AT ETT TU TEI PETE LETTET TETTE ET Etter rs EET 8 Connector P1 Configurations SLT LEGER PEER En EPER 8 Connector P2 Configurations OT tr sets cas eusienusieesesesaccs vse sass TESE FETTERE 9 4 Control Signal Connector P1 Interface EE TE REE 9 5 Connecting the Motor tttttttttttrtrrsrarrrererenerarnnnnnnnnenenenenannnnnnnnnrnnnnnnnnnnnrnnnnnnnnnnnrnnnr 10 Connections to 4 lead Motors tt rrr rann nunnnnnnnnnnnnnnnnnnnrarnnnnnnnnnnennnnr 10 Connections to 6 lead Motors tr rr titre ie rni ees 11 Half Coil Configurations EEE ER Becca dete wee EEE PEER Pr 11 Full
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