Silverpak 23D Plus User Manual
Contents
1. 8 5 PIN ASSIGNMENTS cid vustrssessssrsseFRESREREERREEEREEEEEREREEEREEEREERORFREAEREEEREArA eiend 8 6 CONNECTION SPECI FI 5 11 CONNECTING THE SILVERPAK 23D PLUS TO YOUR VIA 06 12 CONNECTING THE SILVERPAK 23D PLUS TO YOUR VIA 5232 13 RESISTOR VALUES FOR THE SUPPLY 13 7 CONFIGURING THE SETTINGS 5 2 222252222222222222z2z2zuzuzuhuxuhuuuhnuukuuuhuu Runs 16 CONNECT TO LIN DRIVER GUI FOR SETTING PARAMETERS 16 8 BASIC OPERATION asec UM DNE SLE LEE NN LO 18 9 TROUBLESHOOTING cREU EE NE E ETE ERE ERE E 21 10 APPENDIX occ ce Cp DIL DINI NP M DILE EE DICERE 2 2 RECOMMENDED CABLE CONFIGURATIONS DC SUPPLY TO 2 2 STEP RISI NG FALLING DETECTS 23 AMPS RMS VS AMPS PEAK ru ruis ruralRiRs EsrelsrarRcrcsaEEselssaracac sacre ls REFER RENE NR RR DE 25 Lin Engineering Page 4 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 1 FEATU2. B Motor Silverpak 23D Plus Integrated NEMA 23 Motor and Drive With Encoder option Silverpak 23D Plus User Manual And Commands Guide Version 1 04 ill 95037 408 919 0200 Lin Engineering 16245 Vineyard Blvd Morgan Hill www linengineering com sales linengineering com techsupport linengineering com Thank you for purchasing the Silverpak 23 DOP or Silverpak 23 DEP Integrated Motor and Driver This product is warranted to be free of manufacturing defects for one 1 year from the date of purchase PLEASE READ BEFORE USING Before you start you must have a suitable DC power supply suitable for the motor The power supply voltage must be between 4 times and 20 times the motor s rated voltage DI SCLAI MER The information provided in this document is believed to be reliable However no responsibility is assumed for any possible inaccuracies or omissions Specifications are subject to change without notice Lin Engineering reserves the right to make changes without further notice to any products herein to improve reliability function or design Lin Engineering 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 nor the rights of others Lin Engineering Page 2 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Silverpak 23D DE Plus User Manual Product
3. 1 86 4X 20 20 THRU 4X 0 0000 20 2500 _ 0 0005 51 500 0 001 Figure 2 Encoder drawing 5 PIN ASSIGNMENTS Along with the Silverpak 23D Plus unit you should ve received the following cables Lead wires can be inserted into the 7 pin connector by pressing down on the orange spring Lead wires sizes allowed are from AWG 20 to AWG 26 Lin p n 090 00214 Lin p n 090 00215 Figure 3 5 wire cable for step direction Figure 4 2 wire cable for Power amp Ground disable 5V output amp opto supply Note A 7 pin Phoenix mating connector is provided with each unit Phoenix P N 1881370 Digikey P N 277 1435 ND Description Connector terminal block plug 2 5 mm 7 position Lin Engineering Page 8 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Figure 5 View of Silverpak 23D Plus connector Color Pin Function Description 1 POWER VE Motor Supply Voltage 12 to 75 VDC Black 2 Ground Power Supply Ground m MI EE Enable Disables the drive of power A low signal will disable the unit Use the GUI to change this Wide such that a high signal disables the unit Brown Direction Direction input Default connection will rotate CCW If this input is low rotation will CW You can swap this by using the GUI interface and select CW CCW for Direction Yellow Step Step pulse input The step clock input will receive a
4. LLLLLI Pin 7 Opto input Pin 2 Ground gt GND 5VDC Opto Supply Figure 20 Connection Schematic Connecting to a Controller Connecting the Power The Silverpak 23D requires a supply voltage of 12 75 VDC First connect the positive end of the power supply to Power Pin 1 and then connect the negative of the power supply to the Ground Pin 2 on the Silverpak 23D WARNING Be careful not to reverse the polarity from the power supply to the driver Reversing the connection will destroy your driver and void the warranty Connection Schematics Using external 5VDC supply for optos If using an external 5VDC supply connect the positive terminal to the Silverpak s opto supply DC input PIN 7 If using a signal generator connect the 5VDC supply ground terminal to the negative line of the generator 5VDC Opto Supply Figure 21 Schematic with 5VDC Lin Engineering Page 19 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Using Silverpak s Internal 5VDC supply for optos If using the internal 5VDC supply simply connect PIN 6 to PIN 7 VDC Main Power Be sure to connect step pulse ground to the Silverpak s Ground PIN 2 Changing direction and disabling the drive is achieved by connecting these two inputs to PIN 2 ground _ Opto supply input This type of connection no longer optically isolates the inputs
5. Silverpak 23 DOP and Silverpak 23 DEP Version 1 04 Date 8 4 2010 Version History 5 6 2009 1 01 7 23 2009 Updated operating temperature specs and lead wire color code 1 Oo La 10 1 2009 Added note about Added note about mating connector connector uL color code of 3 pin communication cable 8 4 2010 Updated 24V opto connection diagram and company address Lin Engineering Page 3 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Table of Contents 1 FEATURES ne eso 5 POLE DAMPING TECHNOLOGY 5 SILVERPAK 23DE PLUS ENCODER FEATURES 5 DEFAULT SETTINGS eee es 5 2 ELECTRICAL SPECI FI 5 6 3 OPERATING SPECI FI 5 6 4 MECHANI CAL SPECI FI 5 7 DIMENSIONS IER a Gane eid ee whe Se eee he ee eee ees 7 DIMENSIONS OF SILVERPAK 23DE WITH ENCODER
6. clock pulse input TTL squarewave 0 to 5VDC where one pulse will move the motor one step Internal 5V out 5VDC output Used to power Pin 7 the opto reference if users do not want to use an external 5VDC supply By using this to power the optos the device is no longer optically isolated Green Opto reference 5 VDC is required to power the optocoupler reference This device is for sinking operation with max input current of 15mAmps Table 2 Pin Assignments NOTE If using more than 5VDC to supply the opto reference pin 7 please see Section 6 for correct resistor values based on the voltage The colors listed above are recommended color codes which match the cables that come with the Silverpak 23D Plus If you request for lead wires to come directly out of the board these are the colors it will follow where Pin 7 will be a red amp white striped wire Lin Engineering Page 9 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 B Figure 6 Communication Port View The above image shows the communication port on the Silverpak 23D Plus The 18 position cable plugs into this port This cable is sold separately The opposite end of the communication cable is a 3 pin IDC Insulation Displacement Connector This connects to either the RS232 or USB converter card Color Pin Function RS485 B VE Table 3 Communication Pinouts Figure 7 Communication Cable Lin Engineerin
7. files for the USB485 converter card Go to www linengineering com and navigate to the USB485 converter card page by going to Accessories gt USB to RS485 Converter card Then click on Download or simply scroll to the bottom of the page Save the zip file called USB485 Driver Files and extract all files to your PC 2 Connect the USB485 converter card to the Silverpak unit If using Lin Engineering s USBA85 converter card simply take the 18 position cable and plug one end to the converter card and plug the other end to the Silverpak 23D 3 Connect USB cable to the PC Then plug one end of the USB cable into the converter card and the other end into your PC When the converter card connects to your PC it will find the new hardware and automatically ask you to download files It will download two files 058409 drivers JOX Hardware Installation 2 Search gs ress 1 G Decumerts and Setting nin Desktop The software you are installing for this hardware RMS Motion Serial Converter UNIN FTSM VIO has not passed Windows Logo testing to verify its compatibility with Windows XP me why this testing is importan Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for softw
8. load that needs high current during 1 or 2 seconds after a move is completed but beyond this you may want to hold the unit using less power Lin Engineering Page 16 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Description 0 5 Amps to 5 0 Running Current This changes the amount of Amps in 0 05 current Amps Peak going into the motor Running l aa increments Do not exceed 1 4 times the motor s Current A current Every motor is labeled with a current rating Going beyond 1 4 times this value can burn the motor Increasing this value provides more torque The Peak and corresponding RMS or Amps Phase value is displayed above the scroll bar 0 0 Amps to 5 0 Hold Current This changes the amount of Hold Amps in 0 05 holding current used when the motor is not in Current A increments motion Do not exceed the motor s current rating Increasing this value provides the ability to hold a heavy or large object in place Step Sense Detects step pulses Step rising detect Step pulses can be read rising or falling using the pulse s rising or positive edge or edge the falling negative edge If you notice irregular stepping patterns try changing this value Direction m Motor will initially Direction Upon power on the motor will rotate CCW rotate counter clockwise If you desire that the initial direction of rotation be changed choose CW for the motor to initially run clockwise Disables the motor Di
9. provide more than 15 mA or damage may occur to the driver The following page contains images of resistors and how to connect Lin Engineering Page 13 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Step Direction and Disable lines have a 470 ohm internal resistor Voltage Ohms needed Wattage rating Resistor image 22050 1000 2000 20 watt watt Figure 15 Green Maroon Red Black Black Black Red Red Red Gold or Silver Gold or Silver Gold or Silver Connect three resistors for the step direction and enable input lines See image below Lin Engineering VDC Main Power Step JUL Direction Disable o xr Pin 2 Power G 24VDC Opto Supply Figure 17 Connection with external resistor Page 14 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 If the desired voltage level is not listed above wattage Voltage 1 25V 47002 R or 0 010 Amps B E 1 25V 470 0 010Amps Equation 1 Resistance Equations Internal 5V Opto Input 5VDC Step Pulse Input Disable Input below is how to calculate the resistor and Power Re sistor x Amps Or Wattage Re sistor x 0 0001Amps Equation 2 Wattage equations To driver Figure 18 Internal Schematic For easier connection simply connect pin 6 to pin 7 This will take the Silverpak s internal 5VDC and supply the opto reference and you therefore wouldn t need a separate
10. where to sense each pulse on the rising edge of the step or the falling edge also known as the positive or negative edge Below depicts a step pulse train waveform where the rising edge is more of a curve If the Silverpak 23D Plus is set to read this type of signal on the rising edge inaccurate steps and unsmooth motion may occur It is best to switch the step sensing to the negative edge or falling edge Notice in this example the falling edge is a clear signal and a definite difference between high to low Lin Engineering Page 23 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Close up view of rising edge Figure 27 Example of a bad rising edge waveform Below is an example of a good step pulse waveform where sensing the step on either edge would be fine Tek Run O Trig d bee E Renee tel ete eet L i M 10045 7 13 4 Figure 28 Example of a good waveform Lin Engineering Page 24 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Amps RMS vs Amps Peak Where does the 1 4 times come from Current is continuously changing when a motor steps If the motor is rated for 1 0 A Ph it may receive 0 Amps 1 Amp 1 4 Amps or anything in between if you are microstepping For ease of explanation we will look at the current waveform
11. Figure 22 Schematic with internal 5VDC Using more than 5VDC for external supply for the optos VDC Main Power Step JUL Direction If using more than 5VDC connect resistors in series with each of the 3 inputs step direction enable Use the table in the previous section to determine what resistor to use el 4 Disa ble gt z erlerence GND wer GND 24VDC Opto Supply Figure 23 Schematic for more than 5VDC Lin Engineering Page 20 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 9 TROUBLESHOOTING The motor ts not functioning correctly does not move Check if power is being supplied to the unit If the shaft of the motor is hard to turn power is on Next check if the signal generator is supplying pulses correctly Verify that the 5V is being supplied to the opto couples either via a separate power source or the internal 5V from Pin 6 The motor is running erratically Check that step pulses are a clean TTL squarewave signal If one of the pulse edges are not clear try switching the Step Rising Falling detect option in the GUI interface Check if increased microstepping helps minimize the jittering If so you are experiencing the motor s natural resonance that cannot be avoided but can be minimized Try also adding more load to the motor If the motor is still erratic and you seem to have a huge loss in torque the driver ch
12. Page 25 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 The 1 4A along this hypotenuse is also known as the 2 Phase On position since both A and B Phases are On and receive current It is also known as the peak current As we see the waveform that s plotted for the A Phase the highest value on the curve is known as the peak value Motors have a rated current or average RMS value since in operation the current is continuously changing The most logical way to describe a rating is to take an average or RMS root means squared value But drivers understand current in terms of peak current therefore the conversion is Amps Phase x 1 4 Amps Peak For more Technical Support contact Lin Engineering 408 919 0200 techsupport linengineering com www linengineering com Lin Engineering Page 26 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010
13. RES NEMA Size 23 2 Phase 1 8 Bipolar Step Motor w Built In Microstepping Driver Operates from 12 to 75 VDC Software selectable run currents from 0 1 to 5 0 Amp Peak in 0 05 Amp increments Software selectable hold currents from 0 to 5 0 Amp Peak in 0 05 Amp increments Step Resolutions from Full step 2x 4x 5x 8x 10x 16x 25x 32x 50x 64x 125x 128x 250x 256x Microstepping Four Selectable Damping modes for smooth motion No low minimum inductance any NEMA 23 1 8 step motor can be selected Step sensing on the rising or falling edge of step pulse input Direction switching to change first powered on direction of rotation Enable active high or low to allow unit to be enabled with a high or low signal Smooth motion Three optically isolated control inputs step direction disable Inputs are sinking inputs maximum current input is 15mAmps Pole Damping Technology integrated within driver board Pole Damping Technology Pole Damping Technology PDT enhances step motor performance by dampening each full step in order to create a more accurate and smooth motion profile Microstepping the step motor will optimize Pole Damping Technology PDT outputs the correct amount of run and hold currents to the motor at the right time Thus it will overcome the step motor s natural tendency to want to forcefully pull towards the full step ON position Silverpak 23DE Plus Encoder Features 32 1250 cycles per revoluti
14. are that has passed Windows Logo testing Welcome to the Compressed zipped Folders Extraction Wizard Continue Anyway STOP Installation Figure 10 Extracting files Figure 11 Downloading driver files Connecting the Silverpak 23D Plus to your PC via USB Figure 12 Connection of Silverpak to USB485 card PC amp Power Supply Lin Engineering Page 12 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Note the COM Port number that was assigned to the converter card device by right clicking on My Computer and going to Hardware Tab gt Device Manager gt Ports COM amp LPT gt RMS Motion US485 Connecting the Silverpak 23D Plus to your PC via RS232 Follow the connection schematic shown below if using the RS485 RS232 Converter card SUPPLY 7 40 12 75 DC Figure 13 Connection of Silverpak to RS232 card PC amp Power Supply Resistor Values for the Opto Supply The optocouplers must be powered by an external power supply to maintain isolation The Opto Supply for the optocouplers can be between 5 to 24 VDC with respect to the signal input It is recommended to use a 5 VDC Opto Supply in order to limit the current going into the optocouplers to 10 mA However if the supply is greater than 5 VDC then a resistor must be connected in series with each signal line to maintain 10 mA of current running through the optocouplers step direction and disable lines Do NOT
15. example below demonstrates the recommended cable configuration for DC power supply cabling less than 50 feet long Correct AWG wire size is determined by the current requirement plus cable length Please see the Driver Supply Cable AWG Table in this Appendix RMS Driver Type RFI Filter _ gt Required Current Ferrite Beads Shield Shielded Twisted Pair Wire Size from Cable Length Driver Supply Cable AWG Table less then 50 Feet DC Voltage from Shield to Earth Ground Power Supply on Supply End Only 500 uf Per Amp Figure 26 Lin Engineering Page 22 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 NOTE These recommendations will provide optimal protection against EMI and RFI The actual cable type wire gauge shield type and filtering devices used are dependent on the customer s application and system Driver Supply Cable AWG Table 1 Amp Peak Use the alternative methods illustrated in Examples B and C when the cable length is 2 50 feet Also use the same current rating when the alternate AC power is used Table 4 Driver Supply Cable Wire Size NOTE Always use Shielded Twisted Pairs for the Driver DC Supply Cable Step Rising Falling Detect This feature allows for more compatibility with controllers and PLC s The Silverpak 23D driver board receives step pulses from a pulse train normally a TTL signal sensing each pulse one by one The step rising detection feature can choose
16. g Page 10 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 6 CONNECTION SPECIFICATIONS In order to properly connect your new Silverpak 23D Plus unit first determine which Designer s Kit you ve purchased If you purchased a USBA85 Designer s Kit Lin p n USBKI T 02 then you should have received the following items A black 18 position cable with 3 pin Ne connector other end 14 090 00216 VATN USB to RS485 converter card A USB cable 6 feet long Figure 8 USB Kit If you purchased RS232 485 Designer s Kit Lin p n RS232KI T 02 then you should have received the following items An extra 3 pin cable An RS232 to 485 converter card A black 18 position header cable with 3 pin connector on other end p n 090 00216 Figure 9 RS232 Kit Note that the 18 position cable 090 00216 can be purchased separately Below are several options for connecting the Silverpak 23D Plus unit to your controller device WARNING DO NOT DISCONNECT POWER FROM THE SILVERPAK 23D PLUS UNIT WHILE POWER IS STILL BEING SUPPLIED THIS MAY CAUSE DAMAGE TO THE INTERNAL DRIVER BOARD WARNING If you do not have a 5 VDC Power Source use a Resistor in series to limit the current of the opto isolators See page 14 for Resistor values If the current exceeds 15 mA the opto couplers cease to function Lin Engineering Page 11 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 1 Download driver
17. generator Connect Pin5 step pulse input to the Positive Terminal of your pulse generator Then connect the negative terminal to main ground power 2 Connect the 5VDC supply The Silverpak 23D requires a separate 5VDC supply for the optos that turn on the step direction and disable inputs Connect the positive terminal of your 5VDC supply to Pin 7 the opto input supply The ground terminal of your supply should connect to the ground wire of the step pulse function generator Users have an option to use Silverpak 23D s internal 5VDC supply for ease of use Connect pin 6 to pin 7 with a wire By doing so the system is no longer optically isolated 3 Connect the direction pin The Silverpak 23D unit will rotate counterclockwise if the direction pin is not connected to anything If the direction pin is pulled low the direction of rotation will change to a clockwise direction Connect a switch from the direction pin to the ground connection on your opto supply 4 Connect the disable pin Simply connect a switch from the disable enable pin to the ground connection on your opto supply Connection to ground will disable the drive No power will go to the motor Lin Engineering Page 18 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 VDC Main Power Pin 1 Power Pin 2 Ground pin 5 Step Pin 4 Direction Direction Pin 3 Disable _ 5 ELLOLELULLELLIUL
18. ip may have malfunctioned Motor gets very hot Keep in mind that the motor side can handle up to 90 C and the bottom of the unit where the driver board is located can handle up to 75 C This can be very hot when touching it by hand If the unit experiences thermal shutdown where the unit begins to decrease in torque you may need to lower the current in order to keep temperatures lower The Silverpak unit has been tested in a 50 C ambient temperature but if your system does not have good circulation you might experience issues Try adding a fan to the unit or mount the motor to larger metal heatsink GUI error codes After clicking Program it should give you the Done response if it saved parameters successfully After you click Read it shows this message as well Programming Eg Once you click OK on the dialog box the values will be updated with what was programmed in the device A failed dialog box happens if you are connected to the wrong Port and therefore cannot read or program Or if there is no power Figure 25 Lin Engineering Page 21 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 10 APPENDIX Recommended Cable Configurations DC Supply to Driver Cable length wire gauge and power conditioning devices play a major role in the performance of your Lin Engineering Driver and Motor NOTE The length of the DC power supply cable to the Driver should not exceed 50 feet The
19. long as temperatures do not exceed 75 C on the heat sink and 90 C on the motor case Lin Engineering integrated motor and drive products are designed and fully tested to withstand the rated operating temperature ranges as long as max temperature is not exceeded on the motor and heatsink WARNING Driver portion may malfunction if the heatsink temperature exceeds 75 C Motor may burn if it exceeds 90 C Please use correct heat dissipation methods to avoid high temperatures like mounting the motor to a large aluminum frame using a fan or other methods for better air circulation for convection Logic Timing Minimum Step Pulse Width 100 nanoseconds Minimum Step Low Time 100 nanoseconds Maximum Power Down Recovery Time 20 milliseconds Lin Engineering Page 6 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 4 MECHANICAL SPECIFICATIONS Motor Front Shaft Extension Length Standard length is 0 81 Motor Shaft Diameter Standard shaft diameter is 0 25 Overall Body Length A DOP 5718X XX 2 65 DOP 5718M XX 3 16 DOP 5718L XX 4 03 Dimensions 12 25MAX Bu 20 20 THRU 4X 21 500 0 001 0 81 0 02 A 1 26 a 0 50 0 06 0 59 0 230 FLAT I I II n Figure 1 Dimensions Diagram Lin Engineering Page 7 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 Dimensions of Silverpak 23DE with Encoder R L12 25MAX
20. on CPR 128 to 5000 pulses per revolution PPR 2 Channel Quadrature TTL Squarewave Outputs and optional index 34 Channel E2 US Digital Encoder Default Settings Default Settings of the Silverpak 23D or DE Plus Direction of rotation Counterclockwise Step Resolution 8x step 3200 steps rev Run Current Motor s rated current or up to 5 Amps Peak if motor is rated for 5 or higher Holding Current 0 5 Amp Phase Smoothness setting 2 Step signal sensing Senses on the Rising Edge or positive edge Disable Active Low or OV signal to disable unit Table 1 Default settings Lin Engineering Page 5 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 2 ELECTRICAL SPECIFICATIONS Power Supply Requirements Voltage 12 VDC to 75 VDC Driver Peak Current 0 1 to 5 0 Amps Peak Baud rate 57600 bps Motor Specifications NEMA Size 23 Holding Torque DOP 5718X XX 100 oz in DOP 5718M XX 182 oz in DOP 5718L XX 294 oz in Steps per Revolution 1 89 Motor 200 400 800 1000 1600 2000 3200 5000 6400 10000 12800 25000 25600 50000 51200 Microstepping Full step 2x 4x 5x 8x 10x 16x 25x 32x 50x 64x 125x 128x 250x 256x I O Specifications 3x Optically Isolated Inputs step direction disable capable of 15mAmps max 3 OPERATING SPECIFICATIONS Maximum Step Frequency 5 MHz Operating Temperature 20 C to 75 C measured at the heat sink 20 C to 90 C measured at the motor case Duty cycle 100 as
21. sable The disable pin is used to stop the Disable with a high 5V or motor By default it searches for a low signal low signal OV in order to stop motion By changing it to high the disable pin will search for a 5V signal to stop motion Smoothness Smoothness setting Changes the current 2 V i setting waveform for smoother motion Run motor at your desired operating speed while connected to a PC Change smoothness setting to various values and audibly listen for quieter operation Default settings Default When selecting the corresponding motor winding all parameters will change to the default values and current is updated to the peak current of the motor winding Upon viewing the changed settings you must click Program in order to save these settings to the unit WARNING Step motors can handle 1 4 times more than the motor s rated current Going beyond this value could burn the motor and electronics For more information on rated current or RMS current versus peak current see the Appendix section Lin Engineering Page 17 Version 1 04 Silverpak 23D 23DE PLUS Manual 8 4 2010 8 BASIC OPERATION List of components needed to rotate the motor 12 to 75 VDC Power Supply e Additional 5 VDC Volt Power Supply e Signal Generator Ensure that the Silverpak 23D is not connected to the Main Power Supply until the following procedures have been properly carried out 1 Connect the step pulse
22. supply Lin Engineering Silverpak 23D 23DE PLUS Manual Page 15 Version 1 04 8 4 2010 7 Configuring The Settings Connect to Lin Driver GUI for setting Parameters Download the LinDriver zip file from the Silverpak 23D webpage Connect to your PC and turn on the Power Supply Figure 19 GUI SilverPak 23D DE Plus 1 0 12 Open Save Default Help oilverPak 23D DE Plus Setup Microstep 8 Hold current Runnin delay time 500 ms J Current A Disable Low Hold J Current A Direction CCW v SS Sa Smoothness Step Sense Rising setting Select the COM port Make changes to Click Program 1 and click Connect 2 current to store the microstepping settings etc LU mA Setting Values Description MicroStep a Full step 2x 4x MicroStep Changes the step resolution such 5x 8x 10x 16x that the motor will step in smaller increments 25x 32x 50x 64x This helps with smooth and quiet operation 125x 128x 250x or 256x Hold rene O to 6350 msec in Hold current delay time This setting is a time delay time ene 50 msec delay in milliseconds After the last step pulse 3 increments is sent to the motor there will be a delay time for when the motor switches from run to hold 1000 msec 1sec current This can be beneficial if moving a large
23. when we half step or set the driver controller to 2x microstepping If we take a look at both the A and B phases and plot on an X Y chart of when each phase receives current and how much it receives it will look like the chart below Beginning at position 1 Phase A receives negative current and Phase B receives positive current Let s assume it is at coordinate 1 1 HALF STEPPING s Current Wave Form 7 EN PHASE A PHASE A lax 77777 Current Peak current lt 1 4 times Amps Ph 100 time Average or RMS 0 j M I gt Is only 1 Amp Ph 100 The position versus time graph above plots only the A Phase following the eight different steps the motor will make Current is changing with each position Recall that a negative in electronics simply means reverse direction of current flow Take a look at position 7 If we were to draw the arrow 1 41 AMP at position 7 as the hypotenuse of a triangle it would 2 look like the triangle to our left Recall from geometry a 90 45 45 triangle is 1 1 V2 combination The v2 or 1 4 value is also the radius of the dotted circle shown above Therefore during certain steps Phases A or B will receive 1 4 Amps of current But the average or RMS current throughout these 8 steps is only 1 0 Amps RMS and Amps Phase is the same meaning Lin Engineering
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