User Manual of M335
Contents
1. 2 2 Operating Environment amp Other Specifications Natural Cooling Ambient Temperature 0 C 50 C Operating Temperature 70 C 158 F 5S Man 20 C 125 C Approx 200g M335 Microstepping Driver Manual V1 0 ECG SA VE BAS E 2 5 Mechanical Specification Figure 2 3 Mechanical Specification Note Recommend use side mounting for better heat dissipation Elimination of Heat 3 Interface and wiring Introduction 3 1 Weak Current Interface Description Pulse signal Single pulse pulse direction mode 4 5V when PLU HIGH 0 0 5V when PUL LOW For reliable response pulse width should be longer than 1 5uS Series connect resistors for current limiting when 12V or 24V used DIR signal This signal has low high voltage levels representing two directions of motor rotation For reliable motion response DIR signal should be ahead of M335 Microstepping Driver Manual V1 0 ECG SA VE BA SE PUL signal by 5s at least 4 5V when DIR HIGH 0 0 5V when DIR LOW Please note that motion direction is also related to motor driver wiring match DIR Exchanging the connection of two wires for a coil to the driver will reverse motion direction EN 45V Enable signal NPN control signal PNP and Differential control signals are on EN the contrary namely Low level for enabling for enabling the driver and low level for disabling the driver Usually left UNCONNECTED ENABLED 3 2 Stro2. 55nus PUI nct Di t E Low Level lt 0 5V ES High Level gt 3 5V DIR t i Low Level lt 0 5V i bus ENA Figure 3 4 Sequence chart of control signals Remark 1 tl ENA must be ahead of DIR by at least 5 u s Usually ENA and ENA are NC not connected See Connector P1 Configurations for more information 2 t2 DIR must be ahead of PUL effective edge by at least 5 u s to ensure correct direction 3 t3 Pulse width not less than 1 5 H s 4 t4 Low level width not less than 1 5 Us 3 5 Wiring Notes gt In order to improve anti interference performance of the driver it is recommended to use twisted pair shield cable gt To prevent noise incurred in pulse 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 M335 Microstepping Driver Manual V1 0 ECG s SA VE BAS E gt Ifa power supply serves several drivers separately connecting the drivers is recommended instead of daisy chaining gt Itis 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 volta
3. operation The higher speed configuration or half coil is so described because it 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 2 1 6 lead motor half coil higher speed connections Full Coil Configurations M335 Microstepping Driver Manual V1 0 ECG SA VE BA S E 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 7046 of their rated current to prevent overheating Figure 6 2 2 6 lead motor full coil higher torque connections 6 3 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 mot
4. M335 Microstepping Driver Manual V1 0 ECG SA VE BA SE EMAIL EBAY QSAVEBASE COM WEB HTTP STORES EBAY CO UK SAVEBASE User Manual of M335 High Performance Microstepping Driver M335 Microstepping Driver Manual V1 0 ECG SA VE BA SE ECG Safety Statement Easy Commercial Global is not liable or responsible for any accidents injuries equipment damage property damage loss of money or loss of time resulting from improper use of electrical or mechanical or software products sold on this website or other Easy Commercial Global sales resources Since Easy Commercial Global basically provide OEM machine builders components to build their machines for their own use or third party use it is their responsibility to maintain certify and comply the end user products built base on out components sold on this website or other Easy Commercial Global sales resources Assembling electrical CNC machine component like power supplies motors drivers or other electrical components involve dealing with high voltage like AC alternative current or DC direct current which is extremely dangerous and need high attention amp essential experience and knowledge of software electricity electro mechanics or mechanics For technical question please contact us at ebay savebase com before purchase 2011 Easy Commercial Global Technology Corporation Limited All Rights Reserved M335 Microstepping Driver Manual V1 0 ECG SA VE BA SE 1 Int
5. Mode OFF OFF No Decay ON OFF Slow Decay OFF ON Medium Speed Decay ON ON Fast Decay 5 Power supply selection The M335 can match medium and small size stepping motors from NEMA size 14 to 23 To M335 Microstepping Driver Manual V1 0 ECG SA VE BA S E 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 your speed requirement is low it is better to use lower supply voltage to decrease noise heating and improve reliability 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 du
6. ge surge which may damage the driver 4 Selecting Microstep Resolution Decay mode and Driver Output Current This driver uses a 6 bit DIP switch to set micro step resolution motor operating current and decay mode as shown in the following figure 4 1 Microstep Resolution Selection Microstep resolution is set by SWI 2 of the DIP switch as shown in the following table ON OFF 1 2 ON ON 1 8 OFF ON 1 16 Note For smooth operation please try to choose high segmentation such as 1 16 segmentation M335 Microstepping Driver Manual V1 0 4 2 Current Settings Output current is set by SW3 24of the DIP switch as shown in the following table ECG SAVEBASE Full Current Auto Half Current SW3 SWA Peak Current RMS Peak Current RMS OFF OFF 3A 2 14A 1 5A 1 07A ON OFF 2 25A 1 6A 0 6A 0 42A OFF ON 1 5A 1 07A 1 5A 1 07A ON ON 0 6A 0 42A 0 6A 0 42A Note Output current is automatically switched to 50 after signal pulse stop for about 0 4 seconds according to the table settings This can make the motor and drive heating reduction improved reliability Theoretically 25 reduction in the heat heat is proportional to the square of the current 4 3 Decay Mode Settings With the decay mode from 0 to 100 the attenuation increases Users can eliminate the stepper motor locked noise and improve motion stabilization by switch SW5 SW6 SWS SW6 Decay
7. ng Current Interface Description Pin Function Details DC Power supply 12 30 VDC Recommend voltage 24V DC A A Motor Phase A B B Motor Phase B 3 3 Input Interface Description The M335 can accept differential and single ended inputs including open collector and PNP output The M335 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 We recommend to 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 M335 Microstepping Driver Manual V1 0 ECG SA VE BA Si E I Controller l I vcc Driver R 0 if VCC SY i gt R 1K Power gt 0 125W if VCC 12V R 2K Power gt 0 125W if VOC 24V R must be connected to control signal terminal Figure 3 3 1 Connections to open collector signal common anode Controller Driver R 0 if VOC 5Y R 1K Power gt 0 125V if VCC 12V R 2K Power20 L25 if VCC 24V R must be connected to control signal terminal Figure 3 3 2 Connection to PNP signal common cathode M335 Microstepping Driver Manual V1 0 ECG e SA VE BA Si E 3 4 Sequence Chart of Control Signal High Level gt 3 5V t t
8. or configuration 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 overheating P2 A B Figure 6 3 1 8 lead motor series connections 11 M335 Microstepping Driver Manual V1 0 ECG a SA VE BA Si E 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 per phase or unipolar current rating by 1 96 or the bipolar current rating by 1 4 to determine the peak output current P2 Figure 6 3 2 8 lead motor parallel connections M335 Microstepping Driver Manual V1 0 ECG SA VE BAS E 7 Frequently Asked Questions Microstep resolution setting is wrong Fault condition exists _ Motor rotates in the wrong direction Motor phases may be connected in reverse Control signal is interfered Something wrong with motor coil Current setting is too small Acceleration is set too high Ld corn te Current is set too high
9. ring the ON duration of the PWM cycle but not during the OFF duration Therefore the average current withdrawn from power supply is considerably less than motor current For example two 3A motors can be well supplied by one power supply of 4A rating The power MOSFETS inside the M335 can actually operate within 12 30VDC 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 12 24V leaving room for power fluctuation and back EMF 6 Connections to Stepping Motors 6 1 Connections to 4 lead Motors 4 lead motors are the least flexible but easiest to wire Speed and torque depends on winding inductance In setting the driver output current multiply the specified phase current by 1 4 to determine the peak output current M335 Microstepping Driver Manual V1 0 ECG a SA VE BA Si E P2 Figure 6 1 4 lead Motor Connections 6 2 Connections to 6 lead Motors Like 8 lead stepping motors 6 lead motors have two configurations available for high speed or high torque
10. roduction Features and Application 1 1 Introduction The M335 is a high performance microstepping driver with low price The M335 adopts single chip PWM bipolar sinusoidal chopper to ensure the low vibration and high efficiency It is suitable for driving 2 phase and 4 phase hybrid stepping motors so the Nemal6 Nema23 stepper motors with a 0 5A 3 5A current will be suitable If you are looking for a device with low cost low noise and high speed this is an excellent choice for you 1 2 Features Low cost Low noise and high speed 1 2 8 16 adjustable micro step control for more accurate and smoother motor running Supply voltage up to 30V DC Output current up to 3 5A Single chip PWM bipolar sinusoidal chopper ensures low vibration and high efficiency Suitable for 2 phase and 4 phase motors Pulse input frequency up to 400 KHz Protection of power reversal High speed optoelectronic isolation signal input 2 lt Automatic idle current reduction d P 2 ds Non creeping phenomenon under low speed Low noise and non resonant region 1 3 Application Suitable for a variety of small and medium sized automation equipment and instruments such as engraving machine marking machine cutting machine laser typesetting plotters CNC machine tools handling the devices M335 Microstepping Driver Manual V1 0 ECG SA VE BAS E 2 Specifications 2 1 Electrical Specifications
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