DCM8028 and DCM8055 - Haydon Kerk Motion Solutions
Contents
1. Power connector P2 pins Gnd DC power ground 2 V DC power supply 20VDC to 80VDC Including voltage fluctuation and EMF voltage Motor coil A leads A and A Motor coil B leads B and B 4 Power supply Selection It is important to choose appropriate power supply to make the driver operate properly Maximum Voltage Input The power Mosfet inside the driver can actually operate within 20V to 80VDC including power input fluctuation and back EMF voltage generated by motor coils during motor shaft deceleration Higher voltage will damage the driver Therefore it is suggested to use power supplies with theoretical output voltage of no more than 75V leaving room for power line fluctuation and Back EMF Regulated or Unregulated power supply Both regulated and unregulated power supplies can be used to supply DC power to the driver However unregulated power supplies are preferred due to their ability to withstand current surge If a regulated power supply is used it should be a linear type Multiple drivers It is possible to have multiple drivers share one power supply to reduce cost provided that the supply has enough capacity DO NOT dazy chain the power supply input pins of the drivers connect them to power supply separately to avoid cross interference Higher supply voltage will allow higher motor speed to be achieved at the price of more noise and heating If the motion speed requirement is low it s better to u2. Connector P1 pins Pul 5V Pulse signal in single pulse pulse direction mode this input 2 Pul pulse represents pulse signal effective for each upward rising edge in double pulse mode pulse pulse this input represents clockwise CW pulse For reliable response pulse width should be longer than 3vs 3 Dir 5V Direction signal in single pulse mode this signal has low high voltage levels representing two directions of motor 4 Dir Dir rotation in double pulse mode set by inside jumper JMPI this signal is counter clock CCW pulse effective on each rising edge For reliable motion response direction signal should be sent to driver 2vs before the first pulse of a motion direction reversal Enable signal this signal is used for enable disable high level for enabling driver and low level for disabling driver a intel Usually left unconnected enabled For the European Market the maximum input voltage must be limited to 7OVDC to comply with CE regulations DCMS8055 DCMS8028 High Performance Microstepping Driver Remark 1 Pul dir is the default mode under cover jumper JMP1 can be used to switch toCW CCW double pulse mode Remark 2 Please note motion 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 for example reconnecting motor A to driver A and motor A to driver A will invert motion direction
3. User Manual DCM8028 and DCM8055 High Performance Microstepping Driver Attention Please read this manual carefully before using driver Xeon Ha ydon Haydon Switch amp Instrument Inc HSI www hsi inc com 203 756 7441 USA Haydon Linear Motors HLM www hlm com cn 86 519 5113312 5113316 China Haydon Motion Europe HME www haydoneurope com 33 0 2 40 92 87 51 The content of this manual has been carefully prepared and is believed to be accurate but no responsibility is assumed for inaccuracies Haydon 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 the patent rights of others All third party liabilities are the responsibility of the customer Haydon reserves the right to make changes without further notice to any products herein to improve reliability performance function or design All Rights Reserved 8 08 DCMS8055 DCMS8028 High Performance Microstepping Driver Table of Contents 1 Introduction Features and Applications bse era bie Ssa E viaie e e Wtie 670 aid ole e etb erelo ole diaecaie Oe 2 2 Specifications and Operating Environment EE E E T 2 3 Driver Connectors Pl and P2 OEEO aE a E E TE EE R OOO EE E E N a a OGG 3 4 Power Supply Si sis 6 5 b s aor Sia 6 O E E E T E E nieve cid cielo o clsis s s E E E E E E E 4 5 Driver Voltage and Current Sielessavis s E Weasels E Solse big sissies E
4. bins ses Glens e Se E Wis eee ele sisi 4 6 Selecting Microstep Resolution and Driver Current aie S oie 6 sisia Sars vis bin 6 a oie Din Gia a 0ig d siebie ess ela Sis eid sisi rae 5 7 Control Signal Connector P1 Interface EET E E E E E E E 6 8 Protection Featureg we ee cece cero 8 O Driver Connection to Motors steeeeeeeeeeeeeeseeeeeeeeeeeseseeeceeeesesseececeeesssseseerecesssssesoeeeesens 8 10 Connection Diagram for Driver Motor Controller E 010 ia050 6 0 0 0 49 T Sees wine 010 4 05 11 1 1 Control signal waveform and timing EE E 6 Si8 6 e id 6 wiS A 99 000 Sield E A E O 1 1 1 Introduction Features and Applications DCM8055 DCM8028 is a high performance microstepping driver based on the most advanced technology in the world today It is suitable for driving 2 phase hybrid step motors current 5 5A 2 8A By using advanced bipolar constant current chopping technique it can output more speed and power from the same motor compared with traditional technologies such as L R drivers Its current control technology allows coil currents to be accurately controlled with much less current ripple and motor heating than other drivers on the market Features of this driver High performance low cost Supply voltage up to 80VDC current to 5 5A for DCM8055 2 8A for DCM8028 Inaudible 20khz chopping frequency TTL compatible and optically isolated input signals Automatic idle current reduction Mixed decay current control for less mo
5. e the half current setting will reduce motor heating at standstill OFF meaning that the standstill current is set to be half of the dynamic current and ON meaning that standstill current is set to be the same as dynamic current 7 Control Signal Connector P1 Interface This driver uses differential inputs to increase noise immunity and interface flexibility Single ended control signals from the indexer controller can also be accepted by this interface The input circuit has built in high speed opto coupler and can accept signals in the format of line driver open collector or PNP output Line driver differential signals are suggested for reliability In the following figures connections to open collector and PNP signals are illustrated and VCC S5VDC For other VCC voltages limit the current to 18mA maximum Examples R 560ohms if VCC 12VDC R 1 5Kohms if VCC 24VDC Open collector signal common Controller A Driver VCC C SR O EESE Tey SC r _ Figure 2 For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations DCMS8055 DCMS8028 High Performance Microstepping Driver PNP output common anode Driver Figure 3 Signal Interface Single Pulse and Double Pulse Modes There is a jumper JMpi inside the driver 123 4 5 6 specifically for the purpose of selecting Jumper gt 000000 pulse signal mode settings for one pulse mode pulse dir and fo
6. ection 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 use the motors specified per phase current rating as the RMS current Figure 9 4 Lead Motor Connections For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations 11 DCMS8055 DCMS8028 High Performance Microstepping Driver 10 Connection Diagram for Driver Motor Controller A complete stepping system should include stepping motor stepping driver power supply and controller pulse generator A typical connection is shown below Controller _ mee o o DC Power supply 20V 80VDC iii eae stepper motor Figure 10 Driver connection in a stepping system 11 Control signal Waveform and Timing Pulse signal 23HS Direction signal fa 1 gt 5uUS Enable signal This driver can accept pulse control signals up to 5 00KHz Before a direction reversal direction signal needs to be established at least 3 Us before the first pulse of the next pulse train Please examine time diagrams of the three control signals as follows For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations
7. ion 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 it uses one half of the motor s inductor windings The higher torque configuration or full coil use the full windings of the phases Half Coil Configuration As previously stated the half coil configuration uses 50 of the motor phase windings hence lower torque output Like the parallel connection of 8 lead motor the torque output will be greater at higher speeds due to lower inductance This configuration is also referred to as half copper In setting the driver output current use the motor s specified per phase or unipolar current rating as the RMS current For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations 10 DCMS8055 DCMS8028 High Performance Microstepping Driver PHASE A PHASE A PHASE B PHASE B Figure 7 6 Lead Half Coil Higher Speed Motor Connections Full Coil Configuration 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 Divide the motor s specified per phase or unipolar current rating by 1 4 for the RMS current PHASE A PHASE A PHASE B PHASE B Figure 8 6 Lead Full Coil Higher Torque Motor 9 3 Conn
8. llel and serial connections of motor coils will significantly change resulting inductance and resistance it is therefore important to set driver output current depending on motor phase current motor leads and connection methods Phase current rating supplied by motor manufacturer is important to selecting driver current but the selection also depends on leads and connection 6 Selecting Microstep Resolution and Driver Current Output This driver uses an 8 bit DIP switch to set microstep resolution dynamic current and standstill current as shown below Current during motion Microstep resolution Standstill Current half full Microstep Resolution Selection VUUR resolution 7 set y SWS 6 7 8 ze DIP en as amom in we ene a Current Setting The first three bits SW1 2 3 of the DIP switch are used to set the current during motion dynamic current while SW4 is used to select standstill current NOTE Current settings below are per phase DCM8028 DCM8055 DIP Switch Ir for RMS current during motion Current for Current for DCM028 sw2 For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations DCMS8055 DCMS8028 High Performance Microstepping Driver Note that due to motor inductance the actual current in the coil may be smaller than the dynamic current settings particularly at higher speeds DIP setting for current during standstill SW4 is used for this purpos
9. o coils are parallelly connected coil inductance is reduced by half and motor speed can be significantly increased Serial connection will lead to increased inductance and thus the motor can be run well only at lower speeds 9 1 Connecting 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 Connection A series motor 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 Divide the motor s unipolar peak current rating by 1 4 for the RMS current or the motor s bipolar current rating is the RMS current For the European Market the maximum input voltage must be limited to 7OVDC to comply with CE regulations DCMS8055 DCMS8028 High Performance Microstepping Driver PHASE A PHASEA PHASE B PHASE B Figure 5 8 Lead Motor Series Connections Parallel Connection An 8 lead motor in a parallel configuration because of the lower inductance will have higher torque at higher speeds Multiply the motor s unipolar peak current rating by 1 4 for the RMS current or the motor s bipolar current rating 1s the RMS current PHASE A PHASE A PHASE B PHASE B Figure 6 8 Lead Motor Parallel Connections 9 2 Connect
10. r double pulse double pulse mode gt O CO O CO mode CW CCW are shown on the left Default mode out of factory is one pulse one pulse mode C gt G O Q9 O Mode For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations DCMS8055 DCMS8028 High Performance Microstepping Driver 8 Protection Functions To improve reliability the driver incorporates a number of built in protections features a Over voltage protection When power supply voltage exceeds 80VDC protection will be activated and power indicator LED will turn red When power supply voltage is lower than 20VDC the driver will not work properly b Coil ground Short Circuit Protection Protection will be activated in case of short circuit between motor coil and ground c Over current Protection Protection will be activated in case of excessive current such as a short circuit which may otherwise damage the driver Attention since there is no protection against power leads reversal it is critical to make sure that power supply leads are correctly connected to driver Otherwise the driver will be damaged instantly 9 Driver Connection to Step Motors DCM8055 DCM8028 driver can drive 4 6 8 lead hybrid step motors The following diagrams illustrate connection to various kinds of motor leads P2 P2 P2 A At Ad A B B Bt Figure 4 Driver Connection to Step Motor Note that when tw
11. se lower supply voltage to improve noise heating and reliability NEVER connect power and ground in the wrong polarity it will damage the driver NEVER connect or disconnect the motor leads with power on to the driver 5 Driver Voltage and Current Selection This driver can operate small medium size step motors such as low voltage versions of sizes 11 14 17 23 and 34 made by Haydon or other motor manufactures from around the world To achieve good driving results it is important to select supply voltage and output current properly Generally supply voltage determines the high speed performance of the motor Selecting Supply Voltage Higher supply voltage can increase motor torque at higher speeds thus helpful for avoiding losing steps However higher voltage may cause more motor vibration at lower speed and it may also cause over voltage protection and even driver damage Therefore it is suggested to choose only sufficiently high supply voltage for intended applications For the European Market the maximum input voltage must be limited to 70VDC to comply with CE regulations DCMS8055 DCM8028 High Performance Microstepping Driver Setting Proper Output Current For a given motor higher driver current will make the motor output more torque but at the same time causes more heating in the motor and driver Therefore output current is generally set to be such that the motor will not overheat for long time operation Since para
12. tor heating 14 selectable resolutions in decimal and binary Microstep resolutions up to 51 200 steps rev Suitable for 4 6 8 lead motors Over current over voltage and short circuit protection Small size 115 x 97 x 48mm for DCM8055 115 x 97 x 31mm for DCM8028 Applications of this driver Suitable for a wide range of stepping motors such as low voltage versions of sizes 11 14 17 23 and 34 and usable for various kinds of machines such as X Y tables labeling machines laser cutters engraving machines and pick place devices particularly useful in applications with low noise low vibration high speed and high precision requirements 2 Specifications and Operating Environment Electric Specifications Tj 25 C Supp votage oc zov ev weave tasicsonatcanent Yona fama rea NEVER connect power and ground in the wrong polarity it will damage the driver NEVER connect or disconnect the motor leads with power on to the driver For the European Market the maximum input voltage must be limited to 7OVDC to comply with CE regulations DCMS8055 DCMS8028 High Performance Microstepping Driver Operating Environment and Parameters DCMS8055 Front View DCMS8028 Front View Figure 1 Mechanical Dimensions 3 Driver Connectors P1 and P2 The following is a brief description of the two connectors of the driver More detailed descriptions of the pins and related issues are presented in section 4 6 8 9 Control Signal
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