Motor Drive Reference Design Kit
Contents
1. 13 ControIBD 7FMC2 and 3PH AC INDUCTION MOTOR CONTROL SOFTWARE Open Loop v1 0 14 Download the Firmware into the ST7FMC 14 Start up Procedure iore Ice LE E aeu 14 Commands Seed a RE sed E ed 15 eek a es PM eee ve T 15 Potentiometer 15 Download the Firmware into the ST7FMC 16 Start Up Procedure oor RR Eie ee 16 ek ee tree 17 Motor Direction erase oh oe DR P UR Eau Sk Res 17 Potentiometer 17 2 36 UM0122 USER MANUAL ControlIBD 7FMC2 and 3PH PMDC AC or BLDC AC TRAPEZOIDAL DRIVEN MOTOR CONTROL SOFTWARE Open 1 0 18 Download the Firmware into the ST7FMC 18 Start up Proced re oer Me eee 18 Commands E Wis i EE M usd 182. 22 Start up Procedure clues lox ue Rl IM E Ere ERE Pues 22 T SE OR RD Rcg 23 Motor Direction ooo xus x ie ER BE ENERO Ee E Reus 23 Potentiometer Commands 23 APPENDIX A PowerBD 300 CHARACTERISTICS AND SCHEMATIC 24 Front end lll eid 24 Auxiliary Power 24 PowerStage ll ba _____ _ ______ eee dae tees 25 Figure 6 PowerBD 300 4 26 APPENDIX B PowerBD 1000 CHARACTERISTICS AND SCHEMATIC 27 ey Rex ee ei Se te a 27 Auxiliary Supply ick lm 3 Rx t Rv ia ee cee thea eee ieee ee 27 PowerStage ocvn eee rre ue 28 Figure 7 PowerBD 1000 29 APPENDIX C PowerBD 3000 CHARACTERISTICS AND SCHEMATIC 30 3 36 UM0122 USER MANUAL Front end gt A eae 30 Auxiliary Supply DS eke ee Te RETI MEUS EE 30 Power Stage 255004 Gece eels Ree RAE 31 Figure 8 PowerBD 3000 32 APPENDIX D ControlBD 7FMC2 CHARACTERIST
3. 6 Main Features tacit Sa eae ar A Leute 6 Table 1 5 7 254 6 6 DEMONSTRATION BOARD ELECTRICAL CHARACTERISTICS 8 Table 2 Power Board Electrical 8 Table 3 Control Board Electrical Characteristics 8 ELECTRICAL MOTOR CONTROL DEMONSTRATION 9 Environmental Considerations 9 Power Board 10 Table 4 Recommended Bulk Capacitor Values 10 Figure 1 PowerBD 300 Board Connections Top View 11 Figure 2 PowerBD 1000 Board Connections View 11 Figure PowerBD 3000 Board Connections View 12 Figure 4 ControIBD 7FMC2 Board Top View 12 Power Board Switches 13 Setting up the Control 13 Figure 5 STGP14NC60KD Gate Resistor Turn OFF Voltage 13 Mandatory Checks Before Operation
4. sa edt a 3089 eu SOLHLLS Io 90A 100K 1 2W 100K 1 2W 100K 1 2W 100K 1 2W Hu N 340 NO Zid3dlA gt ver Figure 8 PowerBD 3000 Schematic 32 36 UM0122 USER MANUAL APPENDIX D ControIlBD 7FMC2 CHARACTERISTICS AND SCHEMATIC Gate Drive Circuit Each half bridge is driven by an L6386 high voltage integrated circuit which is able to operate at voltages of up to 600V The logic inputs are CMOS logic compatible and the driving stages can source current up to 400mA and sink current up to 600mA It integrates one upper and one lower side channel with two under voltage lockout circuits and a comparator referenced to 0 5V The bootstrap auxiliary supply is integrated in the IC which helps to reduce the number of parts on the PC Board therefore increasing the layout flexibility This function is normally accomplished by a high voltage fast recovery diode The L6386 contains a patented integrated structure which replaces the external diode It is comprised of a high voltage DMOS driven synchronously with low side driver LVG refer to Application Note AN1299 An internal charge pump provides driving voltage to the DMOS A diode connected in series to the DMOS is added to avoid inadvertent power up so using an external fast recovery diode can be avoided usually exhibits high leakage current Gate drive
5. 9001 ASE ASL SH WN see sree Wi 00 60 AS 3001 SOSH MS 25 asuag jueuno sH esueg 2 5 39001 ad 991 T ml T 098691 13 105 52 70808 Tu ASL ASE 80 49 WN 5 ia Youd 5 siojoeuuoo 9 eIoN Figure 9 ControlBD 7FMC2 Schematic All 2 lead components are 0805 except where they are not available Note 34 36 UM0122 USER MANUAL REVISION HISTORY Table 5 Document Revision History mem 09 November 2005 First edition 24 Mar 06 Correct table error Table 2 35 36 UM0122 USER MANUAL Information furnished is believed to be accurate and reliable However STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics Specifications mentioned in this publication are subject to change without notice This publication supersedes and replaces all information previously supplied STMicroelectronics products are
6. Unlike other sensors the LM335Z has a linear output The over temperature protection threshold can be adjusted via R17 and R18 on the control board 31 36 UM0122 USER MANUAL 9 01 1945 S002 8 4aqowO Aepsany WW Jequinn azis 8 1 SWALSAS 0 2 Al11105b 38 88 1X3 00ASL ea anesnove0d28 aw Lawes lw 299 Sseuisnqo1 104 311 16 LON leu 02 pasn 99 HOSN3S aun1vusdWaL SOLHLLS 0 eed i MZAZI MZ A9S SLY 2 T SOLHLLS AL LEH 1 95 21 901 5 810 90 115 sasia 4153 88410 101 1081 05 18 129 A00b suze 2 519 5 AS lt esueg lt 219 S 5 TL 915 E l gt 38 LSNW S3lovuioov eseud vl 530191533 IHL 11 7154 901HLLS 91098XZ8 roor 9a so 66 00 Buuoiuow AH inoa _ eag
7. QNS ZOVS018 1 221 1 9258 24 90LHLLS 66 ASO NO ZL 2 901HLIS 1 2W 5 23 the 100 2 mu 8 Bic ees 5 5 E amp 100K 1 2W 2 2 21 Al11104b 29 36 UM0122 USER MANUAL APPENDIX C PowerBD 3000 CHARACTERISTICS AND SCHEMATIC Front end The front end section allows supply voltage from the DC source via FST1 and FST2 The Jumper settings are When operating with low DC voltage 30Vpc external 15V auxiliary voltage must be supplied 2 and J14 and J8 must be removed Auxiliary Supply This Buck converter uses a VIPer12A regulator that provides charging current for reliable start up capa bility an integrated PWM controller and thermal as well as over current protection The PWM controller is very simple and does not require an external feedback compensation network The regulation circuit is decoupled from the supply circuit using a separate diode D1 and capacitor C2 to supply the zener diode D3 on the FB pin D1 is a low voltage diode e g 1N4148 that allows the volt age on Vpp to reach the start up value D2 and C2 are essentially used to detect peak output voltage To prevent disturbance resulting in possible outpu
8. it sets the PWM cycle from 0 to 97 In order to sense the back EMF the motor must first be started and brought up to a certain speed where the back EMF voltage BEMF can be detected Before the motor is started the controller will bring the rotor to a predetermined position This is called the alignment phase After the rotor is in the alignment position a fixed accelerating commutation command will be invoked by the microcontroller If the acceleration rate is correct the motor will be accelerated until the microcontroller can detect the BEMF and switch to auto switched mode Note When PowerBD 300 is used with high voltage it is necessary to add a STTH108 diode in series with a 1K resistor and connect it in parallel with the BEMF resistors as is done for the PowerBD 1000 Motor Direction If you wish to change the running direction of the motor simply disconnect the drive from the main voltage supply wait for the bulk capacitors to discharge then swap any two of the three motor wires Note For configuration of the software library with the RDK GUI see User Manual UM0121 18 36 UM0122 USER MANUAL ControIBD 7FMC2 and 3PH PMDC AC or BLDC AC TRAPEZOIDAL DRIVEN MOTOR CONTROL SOFTWARE Closed Loop v1 0 The software operates the ControIBD 7FMC2 board a standalone manner with the operation controlled by the Push button S2 and the on board trimmer potentiometer P1 S2 controls the ON OFF function
9. Choose the appropriate gauge wiring for the motor s current ratings Note Electrostatic charges may accumulate on a floating motor and increased voltage may be present due to energized capacitors which need to be allowed to discharge m Straps and Jumpers Several jumpers allow the two bulk capacitors to function in serial current with one path to follow or parallel current with at least two paths to follow configuration Three jumpers allow for operation with Double Rectification This is enabled by soldering jumpers J1 J3 J9 J10 and J4 J5 and keeping J12 J13 open see Figure 6 page 26 Figure 7 page 29 and Figure 8 page 32 This configuration is recommended when the main power supply voltage ranges from 180V ac to 260V Ac Three jumpers enable the Voltage Doubler This is enabled by soldering jumpers J1 J6 J7 J11 and J12 J13 and keeping J4 J5 open see Figure 6 Figure 7 and Figure 8 This configuration is recommended when the main power supply stays below 130V ac This will double the main power supply voltage and consequently the output voltage available to the motor For example a main power supply voltage of 120 will produce a bus voltage of about 320Vpc This higher output voltage allows the motor to draw less current Note Care must be taken when operating the motor in this mode Input voltage must be kept below 135VAcRnws If this value is exceeded for any reason the bulk capacitors will be pr
10. MANUAL APPENDIX B PowerBD 1000 CHARACTERISTICS AND SCHEMATIC Front end The front end section allows supply voltage from the AC source via FST3 and FST5 or from the DC source via FST1 and FST2 The Jumper settings are The DC source is preferred during development When operating with low DC voltage lt 30Vpc external 15V auxiliary voltage must be supplied via CON2 and J14 and J8 must be removed When operating with double rectification three straps will be installed between J4 J5 J1 J3 and J9 J10 respectively When operating with the voltage doubler three straps will be installed between J1 J6 J7 J11 and J12 J13 respectively The Inrush current protection is provided by resistor R6 This resistor is bypassed with Relay12A after volt age ramp up Auxiliary Supply This Buck converter uses a VIPer12A regulator that provides charging current for reliable start up capa bility an integrated PWM controller and thermal as well as over current protection The PWM controller is very simple and does not require an external feedback compensation network The regulation circuit is decoupled from the supply circuit using a separate diode D1 and capacitor C2 to supply the zener diode D3 on the FB pin D1 is low voltage diode e g 1N4148 that allows the volt age on Vpp to reach the start up value D2 and C2 are essentially used to detect peak output voltage To prevent disturbance resulting in possible output
11. grounded control board with validated software is plugged into the power board there is no metal part on below or around the PC boards and there are no unintended earth ground loops caused by peripheral e g test equipment e g PC or oscilloscope and the motor and mechanical load are safely housed so that rotating parts cannot be inadvertently accessed and cause injury e g loose clothing long hair 13 36 UM0122 USER MANUAL ControIBD 7FMC2 and 3PH AC INDUCTION MOTOR CONTROL SOFTWARE Open Loop v1 0 The software operates the ControIBD 7FMC2 board a standalone manner with the operation controlled by the Push button S2 and the on board trimmer potentiometers P2 P3 S2 controls ON OFF function P2 sets the voltage and P3 sets the frequency Download the Firmware into the ST7FMC Microcontroller For configuring the ControlIBD 7FMC2 as 3PH AC Induction motor controller it is necessary to download the proper binary source code 519 file into the microcontroller For open loop operations the binary file provided with AC software library can be downloaded into the ST7FMC code memory as it is This be done with the Datablaze Programmer utility Please refer to User Manual 0 0121 ControIBD 7FMC2 Reference Design Graphical User Interface GUI for details The settings provided for this binary code can be viewed in the Basic Parameter window of the Refer ence Design RDK GUI tool when t
12. not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2006 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom United States of America www st com 36 36
13. over voltage or incorrect start up a zener diode D6 is connected across the output circuit For further details refer to Application Notes AN1317 and AN1357 An insulated axial inductor may be used to provide a voltage oscillation filter This type of inductor meets low cost considerations but it produces a high series resistance that adversely affects the efficiency of the converter The current capacity of this type of inductor is determined for any given package by its series resistance For example a 1 5mH inductor has a current capacity of about 100mA since its series resis tance is about 30R The 5V is supplied from the 15V using an L78L05 three terminal positive regulator It provides internal cur rent limiting and thermal shutdown The 5V zener diode D5 decreases the voltage regulator temperature for lifetime sensitive applications Note When the line voltage is lower than 30V an external 15V auxiliary power supply is mandatory It must be plugged into CON2 and J14 and J8 must be removed 27 36 UM0122 USER MANUAL Power Stage The board is designed to fit TO220 packages see Table 2 8 to select a suitable part number The default value of the sense resistor is 0 047R It must be adjusted depending on actual operating con ditions The Rsense value together with the resistors R38 R20 and R14 put in the ControlBD ST7FMC2 sets the maximum limit threshold for the motor current above which a hardware
14. this binary code can be viewed in the Main window of RDK GUI tool when the SPH PMAC Sinusoidal motor has been selected Start up Procedure 1 Connect a 3 phase PMAC motor mechanically unloaded to connectors FST4 FST6 and FST7 Sequencing is arbitrary and the direction of rotation will be set later 2 Connect at least 1 Hall sensor signal into pin1 of the CON1 connector of PowerBD 300 PowerBD 1000 or PowerBD 3000 Note The CON1 connector has the following pin connections PIN1 Hall sensor signal 1 PIN2 Hall sensor signal 2 PINS Hall sensor signal 3 5 Volt PIN5 GND Connect the control board Jumpers J11 and J12 and set Jumper J10 between 2 3 Set P1 between full CW position and full CCW position and P3 to full CCW position Monitor one of the three motor currents with an isolated current probe Apply the main voltage supply to connectors FST3 and FST5 or a DC voltage supply to connectors 2571 and FST2 Note In the Idle state the green LED will stay on 7 Switch ON 52 Note In the Run state the red LED will light up The motor could run poorly e g discontinuous mode or oscillation until the correct Phase Shift is set by P3 20 36 UM0122 USER MANUAL 8 Slowly rotate potentiometer P3 CW to find the correct Phase Shift The correct value is reached when the user notices the motor running well without discontinuity Note Make final a
15. 2 2 2 4 045 lt e E LACE RR RR 18 ControIBD 7FMC2 and 3PH PMDC AC or BLDC AC TRAPEZOIDAL DRIVEN MOTOR CONTROL SOFTWARE Closed 1 0 19 Download the Firmware into the ST7FMC 19 Start up Procedure te a A eed 19 Commands cette ee etka eee 19 Motor Direction 22 Se ea es eid 19 ControIBD 7FMC2 and PMAC or BLAC SINUSOIDAL DRIVEN MOTOR CONTROL SOFT WARE Open V1 0 eri Boek tase See a eel ER 20 Hardware Modifications 20 Download the Firmware into the ST7FMC 20 Start up Procedure an DIL ligant 20 oe oats cen ee eo ett eee et 21 Motor Direction se a ee ee eee eS ey 21 Potentiometer Commands 21 ControlIBD 7FMC2 and 3PH PMAC or BLAC SINUSOIDAL DRIVEN MOTOR CONTROL SOFT WARE Closed 1 0 22 Hardware Modifications 22 Download the Firmware into the STTFMC
16. Download the Firmware into the ST7FMC Memory For configuring the ControlIBD 7FMC2 as 3PH PMDC AC or BLDC AC trapezoidal driven motor con troller it is necessary to download the proper binary source code into the MCU flash memory Unlike the Open Loop operation a new 519 binary file must be generated using the RDK GUI PC soft ware tool provided with the companion CD ROM Please refer to User Manual UM0121 ControIBD 7FMC2 Reference Design Graphical User Interface GUI for details Start up Procedure 1 Connect a 3 phase induction motor mechanically unloaded to connectors FST4 FST6 and FST7 Sequencing is arbitrary and the direction of rotation will be set later 2 Set the control board jumpers J10 between 2 3 J11 and J12 between 1 2 Set the pot P1 to a predetermined position e g center 4 Apply the main voltage supply to connectors FST3 and FST5 or a DC voltage supply to connectors 2571 and FST2 Note In the Idle state the green LED will light up 5 Switch ON S2 Note In the Run state the red LED will stay on The motor will be pulled into alignment position first then it will start to turn If the motor starts successfully adjust P1 to change the motor speed Note When S2 is switched ON the starting ramp up will be executed until the BEMF is detected and the motor is successfully started Commands If the S2 button is pushed it starts the motor When the drive is running a
17. ICS AND 5 33 Gate Drive Circuit 2 RII A yw x Exe Ron 33 Microcontroller User 33 Figure 9 ControIBD 7FMC2 5 34 REVISION HISTORY 52 ve ux UR ewe Raced Rune 35 Table 5 Document Revision 35 4 36 UM0122 USER MANUAL SAFETY AND OPERATING INSTRUCTIONS General During assembly and operation the Motor Drive Reference Design Kit poses several inherent hazards including bare wires moving or rotating parts and hot surfaces There is danger of serious personal injury and damage to property if the Kit or its components are improperly used or installed incorrectly All operations involving transportation installation and use as well as maintenance are to be carried out by skilled technical personnel national accident prevention rules must be observed For the purposes of these basic safety instructions skilled technical personnel are suitably qualified people who are familiar with the installation use and maintenance of power electronic systems Reference Design Board Intended Use The Motor Drive Reference Design boards are components designed for demonstration purposes only and shall not be used for electrical installation or machinery The technical data as well as
18. SW Y 3 Shu 522 0739 12 36 UM0122 USER MANUAL Power Board Switches Table 2 page 8 lists the appropriate power switches which must be installed on the power board The packaging with the FP suffix are fully insulated by molding and do not require any external insulators The D2 packages are insulated from each other by the PC board PCB Note Care must be taken to ensure 220 T0247 and 247 are NOT insulated They require external insulator pads i e polyimide foil between the heat sink and power switches Setting up the Control Board The gate drive resistor value is 1000 This must be adjusted according to the power switch gate capaci tance and the expected switching dV dt Figure 5 allows the user to determine the correct value depend ing on the maximum dV dt specified for the motor Note The L6386 High Voltage High and Low Side Driver requires a power supply voltage of 15Vpc typ If the motor operation requires less than 14Vpc the L6387 is preferred because the operation supply volt age range goes down to 6Vpc Figure 5 STGP14NC60KD Gate Resistor Turn OFF Voltage Slope 120 Al11102 Note Conditions Vcc 390V Vee 15V Icc 7A Ty 125 C Mandatory Checks Before Operation The following verifications must be performed before operating the Demonstration Board jumpers are correctly configured the motor is connected and earth
19. TICS AND SCHEMATIC Front end The front end section allows supply voltage from the AC source via FST3 and FST5 or from the DC source via FST1 and FST2 The Jumper settings are The DC source is preferred during development When operating with low DC voltage lt 30Vpc external 15V auxiliary voltage must be supplied via CON2 and J14 and J8 must be removed When operating with double rectification three straps will be installed between J4 J5 J1 J3 and J9 J10 respectively When operating with the voltage doubler three straps will be installed between J1 J6 J7 J11 and J12 J13 respectively The Inrush current protection is provided by NTC1 Auxiliary Power Supply This Buck converter uses a VIPer12A regulator that provides charging current for reliable start up capa bility an integrated PWM controller and thermal as well as over current protection The PWM controller is very simple and does not require an external feedback compensation network The regulation circuit is decoupled from the supply circuit using a separate diode D2 and capacitor C2 to supply the zener diode D3 on the FB pin D1 is low voltage diode e g 1N4148 that allows the volt age on Vpp to reach the start up value D2 and C2 are essentially used to detect peak output voltage To prevent disturbance resulting in possible output over voltage or incorrect start up a zener diode D6 is connected across the output circuit For further detai
20. d by 1Hz resolution to reach 340Hz by rotating the potentiometer to full CW position Note For configuration of the software library with the RDK GUI see User Manual UM0121 15 36 UM0122 USER MANUAL ControIBD 7FMC2 and 3PH AC INDUCTION MOTOR CONTROL SOFTWARE Closed Loop v1 0 The software operates the ControIBD 7FMC2 board in a standalone manner with the operation controlled by the Push button S2 and the on board trimmer potentiometer P3 S2 controls ON OFF function and P3 sets the target rotor frequency from 10 to 340Hz for one pole pair motor Download the Firmware into the ST7FMC Memory For configuring the ControlBD 7FMC2 as a 3PH AC Induction motor controller it is necessary to down load the proper binary source code into the MCU flash memory Unlike the Open Loop operation a new S19 binary file must be generated using the RDK GUI PC soft ware tool provided with the companion CD ROM Please refer to User Manual UM0121 ControIBD 7FMC2 Reference Design Graphical User Interface GUI for details Start up Procedure 1 Connect a 3 phase induction motor mechanically unloaded to connectors FST4 FST6 and FST7 Sequencing is arbitrary and the direction of rotation will be set later 2 Remove the control board jumpers J11 and J12 and set jumper J10 between 1 2 Connect the two tachogenerator terminals into connectors FST8 and FST9 4 Setthe pot P3 to full CCW position Potentiometer P3 is th
21. d into the ST7FMC code memory as it is This can be done with the Datablaze Programmer utility Please refer to User Manual 0 0121 ControIBD 7FMC2 Reference Design Graphical User Interface GUI for details The settings provided for this binary code can be viewed in the Main window of the RDK GUI tool when the 3PH PMDC Trapezoidal motor has been selected Start up Procedure 1 Connect a 3 phase BLDC motor mechanically unloaded to connectors FST4 FST6 and FST7 Sequencing is arbitrary and the direction of rotation will be set later 2 Setthe control board jumpers J10 between 2 3 J11 and J12 between 1 2 Set the pot P1 to a predetermined position e g center 4 Apply the main voltage supply to connectors FST3 and FST5 or a DC voltage supply to connectors FST1 and FST2 Note In the Idle state the green LED will light up 5 Switch ON S2 Note In the Run state the red LED will stay on The motor will be pulled into alignment position first then it will start to turn If the motor starts successfully adjust P1 to change the motor speed Note When S2 is switched ON the starting ramp up will be executed until the BEMF is detected and the motor is successfully started Commands If the S2 button is pushed it starts the motor When the drive is running and the S2 button is pushed it stops the motor The potentiometer P1 sets the motor speed command Since this is voltage mode open loop control
22. djustments to the Phase Shift by monitoring the current on the oscilloscope The optimal Phase Shift normally minimizes the motor current amplitudes see the Application Note AN1947 for more information 9 Rotate P1 in the CW direction until the motor has come up to the expected speed for this excitation level Note The current waveforms should remain fairly sinusoidal WARNING The entire circuit board and motor output terminals are always hot with respect to earth ground even when the drive is in a stopped condition Commands If the S2 button is pushed it starts the motor When the drive is running and the S2 button is pushed it stops the motor The controller always enforces a maximum slew limit on changes to the frequency of ex citation applied to the motor In practice this softens the motion of the motor causing it to ramp up to the commanded frequency speed when going from STOP to RUN Decreasing the frequency and voltage applied to the motor slowly decreases the speed to zero Note It is acceptable to start or stop the drive at any time and speed because of the slew limit Motor Direction If you wish to change the running direction of the motor simply disconnect the drive from the main voltage supply wait for the bulk capacitors to discharge swap any two of the three motor wires and execute the start up procedure beginning at Step 9 Potentiometer Commands P1 Sets the Voltage applied from the minimum val
23. e 2 or Timer B Output Compare 1 or Timer B Input Capture 2 or Timer B Input Capture 1 7 36 UM0122 USER MANUAL DEMONSTRATION BOARD ELECTRICAL CHARACTERISTICS Table 2 Power Board Electrical Characteristics PowerBD 300 PowerBD 1000 PowerBD 3000 Power Board Parameters Range with on board auxiliary supply and double rectification AC Input Voltage Range with on board auxiliary supply and 25 135 25 135 voltage doubler Range with on board DC Input Voltage auxiliary supply 70 370 370 370 External Auxiliary Supply Source 14 1 Current Consumption in Idle State 30 40 Recommended Power Switches STB100NF04T4 12 Input Voltage STB150NF04T4 N A STB60NFO6T4 N A STB80NF5508T4 STB30NF10T4 STB75NF75T4 120Vac with Voltage Doubler or 230Vac Input STGF10NC60KD Voltage SIGBSNOSOHD StaPianceokp Note NA Not Applicable 24V pc Input Voltage 42Vpc Input Voltage N A N A Table 3 Control Board Electrical Characteristics ControIBD 7FMC2 Mm 15V Bias Current typ 5V Bias Current typ T1 T2 Input Voltage capability 8 36 UM0122 USER MANUAL ELECTRICAL MOTOR CONTROL DEMONSTRATION SETUP Most of the system features are covered in this user manual starting from the main power supply front end to the power stages including the operation of the 5V 15V power supply and microcontroller This kit includes the following key co
24. e target rotor FREQUENCY setting Full CCW to full CW corresponds to a range of 10Hz to 340Hz for one pole pairs motor with increments of 1Hz 5 Monitor one of the three motor currents with an isolated current probe 6 Apply the main voltage supply to connectors FST3 and FST5 or a DC voltage supply to connectors FST1 and FST2 Note In the Idle state a green LED will be flashing and then it will stay on 7 Set P3 to about 60Hz 1 4 turn CW 8 Switch ON S2 Note In the Run state the red LED will light up The motor current should remain at zero although some switching noise may be observed The motor should reach the target rotor frequency set by P3 The current waveform should remain fairly sinusoidal If the waveform becomes highly distorted or exceeds the motor rating modify the V F curve refer to User Manual 0 0121 WARNING The entire circuit board and motor output terminals are always hot with respect to earth ground even when the drive is in a stopped condition 16 36 UM0122 USER MANUAL Commands If the S2 button is pushed it starts the motor When the drive is running and the S2 button is pushed it stops the motor The controller always enforces a maximum slew limit on changes to the frequency of ex citation applied to the motor In practice this softens the motion of the motor causing it to ramp up to the commanded frequency speed when going from STOP to RUN Decreasing
25. form becomes highly distorted or exceeds the motor rating decrease the Voltage setting WARNING The entire circuit board and motor output terminals are always hot with respect to earth ground even when the drive is in a stopped condition 14 36 UM0122 USER MANUAL Commands If the S2 button is pushed it starts the motor When the drive is running and the S2 button is pushed it stops the motor The controller always enforces a maximum slew limit on changes to the frequency of ex citation applied to the motor In practice this softens the motion of the motor causing it to ramp up to the commanded frequency speed when going from STOP to RUN Decreasing the frequency and voltage applied to the motor slowly decreases the speed to zero Note It is acceptable to start or stop the drive at any time and speed because of the slew limit Motor Direction If you wish to change the running direction of the motor simply disconnect the drive from the main voltage supply wait for the bulk capacitors to discharge then swap any two of the three motor wires Potentiometer Commands P2 Sets the Voltage applied from the minimum value 0 to the maximum Vpus This setting is internally limited with a V F curve refer to User Manual UM0121 P3 Sets the motor frequency and thus the motor speed Use P3 to set the stator frequency as well The contribution of P3 is 10Hz when it is in the maximum CCW position and will increment downwar
26. he 3 PH AC Induction motor option has been selected Start up Procedure 1 Connect a 3 phase induction motor mechanically unloaded to connectors FST4 FST6 and FST7 Sequencing is arbitrary and the direction of rotation will be set later 2 Remove the control board jumpers J11 and J12 and set jumper J10 between 1 2 3 Setall potentiometers P2 and P3 to full Counter Clockwise CCW position Potentiometer P3 is the FREQUENCY setting Full CCW to full Clockwise CW corresponds to a range of 10Hz to 340Hz with increments of 1Hz 4 Monitor one of the three motor currents with an isolated current probe 5 Apply the main voltage supply to connectors FST3 and FST5 or a DC voltage supply to connectors 2571 and FST2 Note In the Idle state a green LED will be flashing and then it will stay on 6 Set P3 to about 60Hz 1 4 turn CW 7 Switch ON 52 Note In the Run state the red LED will light up The motor current should remain at zero although some switching noise may be observed 8 Slowly rotate potentiometer P2 CW to begin increasing the Voltage setting from zero You should start to see a 60Hz approximately current build up in the motor and then the motor should begin to rotate 9 Continue to increase the setting until the motor has come up to the expected speed for this excitation frequency Keep in mind that some slip will be expected The current waveform should remain fairly sinusoidal If the wave
27. iance with technical equipment and accident prevention rules Note Do not touch the Design Boards after disconnection from the voltage supply as several parts and power terminals which contain possibly energized capacitors need to be allowed to discharge 5 36 UM0122 USER MANUAL KIT ACCESSIBLE ST7FMC2S4T6 MICROCONTROLLER FUNCTIONS Main Features TQFP44 package 16K dual voltage FLASH program memory with read out protection capability m 768 bytes RAM m Low voltage supervisor with clock security system nested interrupt controller with 14 interrupt vectors two 16 bit timers one 8 bit auto reload timer m Serial Peripheral Interface SPI Local Interconnect Network Serial Communication Interface LINSCI m Motor Controller MTC peripheral with 6 high sink Pulse Width Modulator PWM output channels asynchronous Emergency Stop 4 analog inputs for rotor position detection Op and Comparator for current limitation 10 bit Analog to Digital Converter ADC with 11 inputs In circuit Communication Interface ICC debug Table 1 ST7FMC2S4T6 Functions Bescon opens on embase sofware Fo eoa 6136 ky UM0122 USER MANUAL Function Name Description depends on embedded software 10 bit ADC ICCSEL Vpp Programming Voltage Input PB7 2 PE1 OCMP1 High Sink LED Output PE2 ICAP2 PES ICAP1 High Sink I O or Timer B Output Compar
28. information con cerning the power supply conditions shall be taken from the documentation and strictly observed Reference Design Board Installation The installation and cooling of the Reference Design boards shall be in accordance with the specifications and the targeted application see ELECTRICAL MOTOR CONTROL DEMONSTRATION SETUP page 9 The motor drive converters shall be protected against excessive strain In particular no components are to be bent or isolating distances altered during the course of transportation or handling Nocontact shall be made with electronic components and contacts The boards contain electrostatically sensitive components that are prone to damage through improper use Electrical components must not be mechanically damaged or destroyed to avoid potential health risks Electronic Connection Applicable national accident prevention rules must be followed when working on the main power supply with a motor drive The electrical installation shall be completed in accordance with the appropriate re quirements e g cross sectional areas of conductors fusing PE connections for further information see ELECTRICAL MOTOR CONTROL DEMONSTRATION SETUP page 9 Reference Design Board Operation A system architecture which supplies power to the Reference Design Boards shall be equipped with ad ditional control and protective devices in accordance with the applicable safety requirements e g com pl
29. ive a PMAC sensor motor the user needs to remove the R8 R11 and R13 resistors and mount the 4 7 R14 R15 and R16 resistors use the PowerBD 1000 to drive a PMAC sensor motor the user needs to remove the R27 R28 R29 R12 R15 and R17 resistors and mount the 4 7 R19 R20 and R21 resistors use the PowerBD 3000 to drive PMAC sensor motor the user needs to remove R30 R31 R32 R12 R15 and R17 resistors and mount the 4 7kQ R19 R20 and R21 resistors Note In each of these cases the ControlBD 7FMC2 needs to have the 10nF C22 C23 and C24 capac itors mounted on it The software operates the ControIBD 7FMC2 board in a standalone manner with the operation controlled by the Push button S2 and the on board trimmer potentiometers P1 and P3 S2 controls the ON OFF function P1 sets the voltage level index and P3 can set the Phase Shift angle Download the Firmware into the ST7FMC Microcontroller For configuring the ControlBD 7FMC2 as a 3PH Sinusoidal motor controller it is necessary to download the proper binary source code 519 file into the microcontroller For open loop operations the binary file provided with PMAC software library can be downloaded into the ST7FMC code memory as it is This can be done with the Datablaze Programmer utility Please refer to User Manual 0 0121 ControIBD 7FMC2 Reference Design Graphical User Interface GUI for details The settings provided for
30. ls refer to Application Notes AN1317 and AN1357 An insulated axial inductor may be used to provide a voltage oscillation filter This type of inductor meets low cost considerations but it produces a high series resistance that adversely affects the efficiency of the converter The current capacity of this type of inductor is determined for any given package by its series resistance For example a 1 5mH inductor has a current capacity of about 100mA since its series resis tance is about 30R The 5V zener diode D5 decreases the voltage regulator temperature for lifetime sensitive applications The 5V is supplied from the 15V using a L78L05 three terminal positive regulator It provides with internal current limiting and thermal shutdown The 5V Zener diode D5 decreases the voltage regulator tempera ture for lifetime sensitive applications Note When the line voltage is lower than 30V an external 15V auxiliary power supply is mandatory It must be plugged into CON2 and J14 and J8 must be removed 24 36 UM0122 USER MANUAL Power Stage The board is designed to fit D Pack packages but DPack packages may also be assembled as well for testing purposes see Table 2 page 8 to select a suitable part number The default value of the sense resistor is 0 1R It must be adjusted depending on actual operating condi tions The Rsense value together with resistors R38 R20 and R14 put in the ControlBD ST7FMC2 sets the maximu
31. m limit threshold for the motor current above which a hardware overcurrent protection event is val idated In this condition the red LED starts to blink and the controller passes into the Reset state where the motor does not run anymore To rearm the controller the AC or DC power supply must be turned off and it is necessary to wait for the bulk capacitors to discharge completely For the PowerBD 300W the maximum limit for the motor current is fixed at 7A peak value Note If the board is going to drive a sensorless BL PM DC motor six phase voltage sense resistors must be present default configuration If the power board is linked to three Hall Effect sensors via CONT resistors R14 R15 R16 and capacitors C22 C23 and C24 1nF in the ControlBD 7FMC2 must be assembled while removing resistors R7 R10 and R12 To provide over temperature protection during the Power Stage U1 LM335 must be installed after as sembly of Q5 It is a precision temperature sensor circuit which operates as a 2 terminal zener diode and has the following features canbe easily calibrated if needed breakdown voltage directly proportional to the absolute temperature at 10mV K dynamic impedance of less than 10 and operates within a range of current from 450 to 5mA without alteration of its characteristics and ifcalibrated at 25 C it has a typical error rate of less than 1 C over 100 C temperature range Unlike other se
32. mponents Motor control dedicated microcontrollers L6386 half bridge drivers 60V MOSFET or 600V Insulated Gate Bipolar Transistor IGBT ViPer12 auxiliary supply smart power switch Small Signal Bipolar Transistors STTH108 and BAS70W Diodes 78L05 voltage regulator M95040 EEPROM memory P6KE400A and 1 5KE400A Transil diodes optional WARNING The starter kit has no isolation shield or any other type of protection case The demonstration board must be handled very carefully as high potential energy parts are open and can be touched The user MUST avoid connecting or removing cables during operation of an electric mo tor or touching any part of the system when it is connected to the main power supply Note After turning the motor off the DC link capacitor may still hold voltage for several minutes refer to the LEDs on the control board Figure 9 page 34 Note Do NOT expose the kits to ambient temperatures of over 35 C as this may harm the components or reduce their lifetimes For more information on the demonstration software and libraries refer to Application Notes AN1291 AN1083 and AN1276 Environmental Considerations The Motor Drive Reference Design Kit must only be used in a power laboratory The high voltage used in any AC drive system presents a serious shock hazard A complete laboratory setup consists of an isolated AC power supply the Reference Design Kit an AC Induction motor and isolated laboratory powe
33. nd the S2 button is pushed it stops the motor The potentiometer P1 sets the motor target frequency speed command and sets the rotor frequency from 50Hz to 200Hz for two pole pairs motor In order to sense the back EMF the motor must first be started and brought up to a certain speed where the back EMF voltage BEMF can be detected Before the motor is started the controller will bring the rotor to a predetermined position This is called the alignment phase After the rotor is in the alignment position a fixed accelerating commutation command will be invoked by the microcontroller If the acceleration rate is correct the motor will be accelerated until the microcontroller can detect the BEMF and switch to auto switched mode Note When PowerBD 300 is used with high voltage it is necessary to add a STTH1068 diode in series with a 1K resistor and connect it in parallel with the BEMF resistors as is done for the PowerBD 1000 Motor Direction If you wish to change the running direction of the motor simply disconnect the drive from the main voltage supply wait for the bulk capacitors to discharge then swap any two of the three motor wires Note For configuration of the software library with the RDK GUI see User Manual UM0121 19 36 UM0122 USER MANUAL ControIBD 7FMC2 3PH BLAC SINUSOIDAL DRIVEN MOTOR CONTROL SOFTWARE Open Loop v1 0 Hardware Modifications use the PowerBD 300 to dr
34. nsors the LM335 has a linear output The over temperature protection threshold can be adjusted via R17 and R18 on the control board 25 36 UM0122 USER MANUAL 5002 81 48q0190 34 eum 877 SWALSAS 2 005 819 4 sui lt 1 3 2 81 91 2 leNoo G3TIVISNI LON 91 91 Al11103b da ag ag ____ Ler ew 25 104 M iMOZL MZ L A9S LIH 495 1 021 9H ZH E ZSEEW1 i BuLOWWOW AH D eseug 1153 021 sar E 9164 109105 o 9153 1 gt 38 15 5 2 2 0 150151599 JHL 4O TW 2 E EH er SOLHLLS 100K 1 2W 100K 1 2 91058 28 n BuuoiuoW AH N E nr i Edl 89 S EJ Idi StOvexza 80832 digve Hedin eV R18 100K 1 2W 3dO NO vif R1 100K t W Figure 6 PowerBD 300 Schematic 26 36 UM0122 USER
35. otected by the optional Transil diode TR1 P6KE400A 00 15 or 1 5KE400A 00 201 see Figure 6 Figure 7 and Figure 8 It will clamp to the high voltage DC bus causing the input protection fuse to blow m Bulk Capacitor Jumpers Input AC Input bulk capacitors must be installed according to the line voltage and power ratings BEFORE plugging in the board DC Input DC Input bulk capacitors must be installed according to the supply line inductance and soft start conditions BEFORE plugging in the board Table 4 Recommended Bulk Capacitor Values typ AC Input DC Input Capacitance Input Voltage Capacitance Line Voltage pF 100W Vac UF 100W 10 36 57 UM0122 USER MANUAL Figure 1 PowerBD 300 Board Connections Top View 15V Power Supply gt BEMF and Hall Effect Sensors Tachometer Input gt Tachometer Input eae egiiet AC Input Vpc a V an Hall Effect Sensors 15V Power Supply 11 36 UM0122 USER MANUAL Figure 3 PowerBD 3000 Board Connections Top View Breaking Resistors n tee Riz IL ee gt VE B Cail pm d mde terto 7 tt v ur Tachometer ses 5 Input ied 3 ____ BEMF and 2 Hall Effect Sensors 15V Power Supply Figure 4 ControIBD 7FMC2 Board Top View S2 SW Icc Connector Push button Potentiometers HE10 male type S1
36. output The over temperature protection threshold can be adjusted via R17 and R18 on the control board 28 36 57 UM0122 USER MANUAL Figure 7 PowerBD 1000 Schematic 01 9002 81 4eqo 90 Aepseny aea V uoisinay 877 SWALSAS azis 000 4 9 9 y eseug ASt bus G3TIVISNI LON 153 L L 2 1 496 81H MZ L99S LIH T SOLHLLS LIO 1 95 ELH 1 495 2 8 z SOLHLIS mE AS AH DEON OUST NOO 38 aa va EFIE E ET H pesn you j dens HOSNAS 10 92 15599 GSTIVLSNI LON VELA 01 SZH 194 154 2 519 5 941 AS lt y DW T esueg jueung sH lt DEB in 9 84 XOL asuag lt 1041405 28 en OWA 062 021 3SVHd X ASLE 44220 N 3055 Edl 089 eu 7 1 gt 38 LSNW 5310 SYOLSISSY IHL NY 91058 28
37. overcurrent protection event is validated In this condition the red LED starts to blink and the controller passes into the Reset state where the motor does not run anymore To rearm the controller the AC or DC power supply must be turned off and it is necessary to wait for the bulk capacitors to discharge completely For the PowerBD 1000W the maximum limit for the motor current is fixed at 14 5A peak value Note If the board is going to drive a sensorless BL PM DC motor six phase voltage sense resistors must be present If the power board is linked to three Hall Effect sensors via resistors R19 R20 R21 and capacitors C22 C23 and C24 1nF in the ControlBD 7FMC2 must be assembled while removing resistors R7 R10 and R12 To provide over temperature protection during the Power Stage a temperature sensor e g LM335Z must be installed on the heat sink and connected to CONS The LM335Z is a precision temperature sensor circuit which operates as a 2 terminal zener diode and has the following features can be easily calibrated if needed breakdown voltage directly proportional to the absolute temperature at 10mV K dynamic impedance of less than 10 and operates within a range of current from 450 to 5mA without alteration of its characteristics and if calibrated at 25 C it has a typical error rate of less than 1 C over 100 C temperature range Unlike other sensors the LM335Z has a linear
38. r sup plies for 15V as needed The Kit is not electrically isolated from the AC input This topology is very common in AC drives The mi croprocessor is grounded by the integrated Ground of the DC bus The microprocessor and associated circuitry are hot and MUST be isolated from user controls and serial interfaces Note Any measurement equipment must be isolated from the main power supply before powering up the motor drive To use an oscilloscope with the Kit it is safer to isolate the AC supply AND the oscilloscope This prevents a shock occurring as a result of touching any SINGLE point in the cir cuit but does NOT prevent shocks when touching TWO or MORE points in the circuit An isolated AC power supply can be constructed using an isolation transformer and a variable transform er Aschematic of this AC power supply is in the Application Note AN438 TRIAC Microcontroller Safe ty Precautions for Development Tools Although this Application Note was written for TRIAC the isolation constraints still apply for fast switching semiconductor devices such as IGBTs Note Isolating the application rather than the oscilloscope is highly recommended in any case 9 36 UM0122 USER MANUAL Power Board Connections Note Before supplying power to the boards verify the connection integrity and make sure there are no unintended earth ground loops caused by peripheral e g test equipment e g PC or oscilloscope m Cables
39. re overcurrent protection event is validated In this condition the red LED starts to blink and the controller passes into the Reset state where the motor does not run anymore To rearm the controller the AC or DC power supply must be turned off and it is necessary to wait for the bulk capacitors to discharge completely For the PowerBD 3000W the maximum limit for the motor current is fixed at 34A peak value Note If the board is going to drive a sensorless BL PM DC motor six phase voltage sense resistors must be present If the power board is linked to three Hall Effect sensors resistors R19 R20 R21 and capacitors C22 C23 and C24 1nF in the ControIBD ST7FMC2 must be assembled To provide over temperature protection during the Power Stage a temperature sensor LM335Z must be installed on the heat sink and connected to CONS Note Install a strap between pins 1 and 2 or CONS if a thermal sensor is not used The LM335Z is a precision temperature sensor circuit which operates as a 2 terminal zener diode and has the following features canbe easily calibrated if needed breakdown voltage directly proportional to the absolute temperature at 10mV K dynamic impedance of less than 10 and operates within a range of current from 450 to 5mA without alteration of its characteristics and if calibrated at 25 C it has a typical error rate of less than 1 C over a 100 C temperature range
40. resistors R1 R3 R5 R7 R9 and R11 have been set to 1000 This value must be adjusted according to Figure 5 page 13 The cell comprised of Q1 C1 R2 is used to split the issues of canceling the switching cross conduction and controlling the winding dV dt whatever the operating conditions and IGBT junction temperature The cell provides a low impedance path to the Miller current when the adjacent power switch is turning ON canceling any cross conduction current This way the half bridge power ON switching dV dt is only defined by the gate drive resistor value produced by R1 R3 R5 R7 R9 and R11 The comparator integrated in the L6386 IC2 provides output with over current protection which shuts down the three half bridges If the voltage applied to pin 6 reaches 0 5V typ the Diagnostic output pin 5 is pulled down as well as the shut down input pin 2 The same circuit can be implemented to provide over temperature protection This is done via the IC3 comparator input An OR function is made paralleling the diagnostic output of IC2 and IC3 In regular operation this protection is never triggered because the microcontroller is monitoring the temperature sensor via A third type of protection may be implemented using the input comparator e g high side over current protection with the PowerBD 1000 or PowerBD 3000 Microcontroller User Interfaces WARNING The Reference Design kit has no isolation shield or any other
41. s feature is selected by the user and P3 sets the Phase Shift by default or the proportional coefficient of the PI controller if this feature is selected The user can set either the Phase Shift by using P3 or the PI parameter by using P2 and P3 It is impossible to select both features together this feature must be se lected with the RDK GUI see User Manual 0 0121 Download the Firmware into the ST7FMC Memory For configuring the ControlBD 7FMC2 as a 3PH PMAC Sinusoidal driven motor controller it is neces sary to download the proper binary source code into the MCU flash memory Unlike the Open Loop operation a new S19 binary file must be generated using the RDK GUI PC soft ware tool provided with the companion CD ROM Please refer to User Manual UM0121 ControIBD 7FMC2 Reference Design Graphical User Interface GUI for details Start up Procedure 1 Connect a 3 phase PMAC motor mechanically unloaded to connectors FST4 FST6 and FST7 Sequencing is arbitrary and the direction of rotation will be set later 2 Connect at least 1 Hall sensor signal into pin1 of the CON1 connector of PowerBD 300 PowerBD 1000 or PowerBD 3000 Note The CON1 connector has the following pin connections PIN1 Hall sensor signal 1 PIN2 Hall sensor signal 2 PINS Hall sensor signal 3 5 Volt PIN5 GND Connect the control board Jumpers J11 and J12 and set Jumper J10 between 2 3 Set P1 be
42. t over voltage or incorrect start up a zener diode D6 is connected across the output circuit For further details refer to Application Notes AN1317 and AN1357 An insulated axial inductor may be used to provide a voltage oscillation filter This type of inductor meets low cost considerations but it produces a high series resistance that adversely affects the efficiency of the converter The current capacity of this type of inductor is determined for any given package by its series resistance For example a 1 5mH inductor has a current capacity of about 100mA since its series resis tance is about 30R The 5V is supplied from the 15V using an L78L05 three terminal positive regulator It provides internal cur rent limiting and thermal shutdown The 5V zener diode D5 decreases the voltage regulator temperature for lifetime sensitive applications Note When the line voltage is lower than 30V an external 15V auxiliary power supply is mandatory It must be plugged into CON2 and J14 and J8 must be removed 30 36 UM0122 USER MANUAL Power Stage The board is designed to fit T0247 packages see Table 2 8 to select a suitable part number The default value of the sense resistor is 0 02R It must be adjusted depending on actual operating con ditions The Rsense value together with the resistors R38 R20 and R14 put in the ControlBD ST7FMC2 sets the maximum limit threshold for the motor current above which a hardwa
43. table Power Supply This kit offers customization options as well making it an excellent choice as an original platform for a more complete and dedicated system Special care has been taken during the layout process to provide a very low level of interference between the Power and the Signal noise This makes the system quite solid under almost all operating conditions There are three 3 power boards for 3 phase inverters of different power rates and a control board m PowerBD 300 300W nominal rated power m PowerBD 1000 1000W nominal rated power m PowerBD 3000 3000W nominal rated power m ControlBD 7FMC2 WARNING The high voltage levels used to operate the motor drive could present a serious elec trical shock hazard This kit must be used only in a power laboratory only by engineers and tech nicians who are experienced in power electronics technology Rev2 March 2006 1 36 UM0122 USER MANUAL TABLE OF CONTENTS INTRODUCTION acr 1 SAFETY AND OPERATING INSTRUCTIONS 5 mE 5 Reference Design Board Intended 5 Reference Design Board 5 Electronic Connection ee ee a ee ee ee eee RR EEG eee 5 Reference Design Board 5 KIT ACCESSIBLE ST7FMC2S4T6 MICROCONTROLLER
44. the frequency and voltage applied to the motor slowly decreases the speed to zero Note It is acceptable to start or stop the drive at any time and speed because of the slew limit Motor Direction If you wish to change the running direction of the motor simply disconnect the drive from the main voltage supply wait for the bulk capacitors to discharge then swap any two of the three motor wires Potentiometer Commands P3 Sets the rotor target frequency and thus the motor speed The contribution of P3 is 10Hz when it is in the maximum CCW position and will increment downward by 1Hz resolution to reach 340Hz for one pole pair motor by rotating the potentiometer to full CW position Note For configuration of the software library with the RDK GUI see User Manual UM0121 17 36 UM0122 USER MANUAL ControIBD 7FMC2 and 3PH PMDC AC BLDC AC TRAPEZOIDAL DRIVEN MOTOR CONTROL SOFTWARE Open Loop v1 0 The software operates the ControIBD 7FMC2 board a standalone manner with the operation controlled by the Push button S2 and the on board trimmer potentiometer P1 S2 controls the ON OFF function Download the Firmware into the ST7FMC Microcontroller For configuring the ControIBD 7FMC2 as a 3PH PMDC trapezoidal motor controller it is necessary to download the proper binary source code 519 file into the microcontroller For open loop operations the binary file provided with PMDC software library can be downloade
45. tween full CW position and full CCW position and P3 to full CCW position Monitor one of the three motor currents with an isolated current probe Apply the main voltage supply to connectors FST3 and FST5 or a DC voltage supply to connectors FST1 and FST2 Note In the Idle state the green LED will stay on 7 Switch ON 52 Note In the Run state the red LED will light up The motor could run poorly e g discontinuous mode or oscillation until the correct Phase Shift is set by P3 OU Ro 22 36 UM0122 USER MANUAL 8 Slowly rotate potentiometer P3 CW to find the correct Phase Shift The correct value is reached when the user notices the motor running well without discontinuity Note Make final adjustments to the Phase Shift by monitoring the current on the oscilloscope The optimal Phase Shift normally minimizes the motor current amplitudes see the Application Note AN1947 for more information 9 Set P1 in the middle between the maximum CCW and maximum CW position and push the 52 button 10 Rotate P1 until the motor has come up to the expected speed for this excitation level WARNING The entire circuit board and motor output terminals are always hot with respect to earth ground even when the drive is in a stopped condition Commands If the S2 button is pushed it starts the motor When the drive is running and the S2 button is pushed it stops the motor The controller always enforces a maxim
46. type of protection case The demonstration board must be handled very carefully as high potential energy parts are open and can be touched The user MUST avoid connecting or removing cables during operation of an electric mo tor or touching any part of the system when it is connected to the main power supply 33 36 UM0122 USER MANUAL 9002 811990120 Aepsan erg uoisweu Jequinn 925 877 SWALSAS 2 enu Al11106b sseujsngoi eoiueupeu 104 a ON 389 1 9 1unoy S uous 89 si iH 9 Shales Ord AS pq au 004 AS bbdsOL 9LPSZOWSLIS 39001 eed 3499W 9NIV LIJOOWZVO NvO Od 9NWN Oros6W itis ADUNE ZAWOO 00d_ SNIV ISOW SEd Hs WAGOWANMdOWY LdWoo sH LOdOSIN 8d Ps 10313S dHO gt ZINIVINSZOWN SIOWEad 1 a Y 820 SUR ia NIAE a A gt 28 24 20 6 zio 9 1 990 139 9 i lavovead FEIN 002IN 5 191321502 SH LOON ZOOW Uld 9X z 9r
47. ue 0 to the maximum Vpus This setting is internally limited with a V F curve refer to User Manual UM0121 P3 Sets the Phase Shift if this feature is selected by the user Note For configuration with the RDK GUI see User Manual 0 0121 21 36 UM0122 USER MANUAL ControIBD 7FMC2 and PMAC BLAC SINUSOIDAL DRIVEN MOTOR CONTROL SOFTWARE Closed Loop v1 0 Hardware Modifications use the PowerBD 300 to drive a PMAC sensor motor the user needs to remove the R8 R11 and R13 resistors and mount the 4 7 R14 R15 and R16 resistors use the PowerBD 1000 to drive a PMAC sensor motor the user needs to remove the R27 R28 R29 R12 R15 and R17 resistors and mount the 4 7 R19 R20 and R21 resistors use the PowerBD 3000 to drive a PMAC sensor motor the user needs to remove R30 R31 R32 R12 R15 and R17 resistors and mount the 4 7kQ R19 R20 and R21 resistors Note In each of these cases the ControlBD 7FMC2 needs to have the 10nF C22 C23 and C24 capac itors mounted on it The software operates the ControIBD 7FMC2 board in a standalone manner with the operation controlled by the Push button S2 and the on board trimmer potentiometers P1 P2 and P3 S2 controls ON OFF function P1 sets the target rotor speed from the minimum maximum CCW position to maximum speed maximum CW position P2 is disabled by default or sets the integral coefficient of the PI controller if thi
48. um slew limit on changes to the frequency of ex citation applied to the motor In practice this softens the motion of the motor causing it to ramp up to the commanded frequency speed when going from STOP to RUN Decreasing the frequency and voltage applied to the motor slowly decreases the speed to zero Note It is acceptable to start or stop the drive at any time and speed because of the slew limit Motor Direction If you wish to change the running direction of the motor simply disconnect the drive from the main voltage supply wait for the bulk capacitors to discharge swap any two of the three motor wires and execute the start up procedure beginning at Step 9 Potentiometer Commands P1 Sets the rotor target mechanical frequency and thus the motor speed from the minimum maximum CCW position to the maximum speed maximum CW position The PI regulator gives the value of the voltage index to reach the target speed This setting is always internally limited with a V F curve refer to User Manual 0 0121 P2 Disabled by default or sets the integral coefficient of the microcontroller when this feature is selected by the user P3 Sets the Phase Shift by default or sets the proportional coefficient of the microcontroller when this feature is selected by the user Note For configuration of the software library with RDK GUI see User Manual 0 0121 23 36 UM0122 USER MANUAL APPENDIX A PowerBD 300 CHARACTERIS
49. wa UM0122 YZ USER MANUAL Motor Drive Reference Design Kit INTRODUCTION The Motor Drive Reference Design Kit is comprised of three power boards that can be driven by a control board via six in line connectors The power boards can work directly from an AC or DC power supply the PowerBD 3000 uses only DC power The auxiliary power supply is located on the power boards and works with applications rated above 50Vpc Some of the many advantages include The kit is quick to set up and install and is easy to run The design is re usable the Gerber files are available for free The original partition design between the power board and the control board provides very effective system noise immunity Note Please read the SAFETY AND OPERATING INSTRUCTIONS section before attempting any oper ation with this manual The Motor Drive Reference Design Kit provides customers with a reference design for a three phase pow er inverter using ST s dedicated chip set When they are connected to a motor they allow the user to dem onstrate smooth silent and efficient motor operation The design boards are well suited for several kinds of applications which required six step commutation or 6 signal PWM sine wave modulated output including m 3PH AC Induction motor control m 3PH or BLDC AC Trapezoidal driven motor control m 3PH PMAC or sinusoidal driven motor control and m Single and 3 phase UPS Uninterrup
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