FM3 family inverter reference board User Manual
Contents
1. iy 192 Figure 6 1 Power Board 29 IAN706 00042 1v0 E Inverter Board 1 2 Jesu 1102 82 Jueruge 338 Jequiny wawnog TTOVNMOS HIS un prj npBusuo uBis g MAL 3 L gt gt 20184 Jono 270 9 gt gt 4894 aL 02 M AMNIS ORY ar z c en az t 0L Orzan 9001 92 27 Vaw E E mur 88 AL AA10001 ARLOIOOL DIOH Idd N 24d 24d T Foy ino NOV td LOLOCE 7 3 0033 4 03 NI anoa 1105 anoa 34d ONS DES AGUANI EJ n S z 19 123 IN Idd ASI bold 40 SI 24d uau 513 asn Figure 6 2 PFC stage 30 1102 01 IAN706 00042 1v0 E 1u uunoog zrOvmos ow2 Has oq o np amp usus ufisag SELL M A 0 sta 8 pm FIET AST 994 04 Tu pros 10 Tu apt 89 4002. EEE EL EEE EL EEE EL EER EL 4 Source Sama S ForExhibitionli 2 startup c while TRUE Output n ArminverterPlatform FeedDog TRUE FALSE AmlnverterPlatform fol a gt Dela Yz 5 gt j gt 45 B gt P Messages main c startup c Linking ArminverterPlatform out Total number of errors 0 Build Debug Log x D taski ARM_INY Platform src FWSC ARM_INV platform_wWithoutPFC Code User sourc Errors 0 Warnings 0 Figure 2 6 View of Project 17 IAN706 00042 1v0 E 2 Click right button on the project name and select rebuild all The project will be rebuilt 2 IAR Embedded Workbench IDE Edit View Project Tools Window Help StopMotor_MCL c define DEFINE GLOBAL VARS include UserxXHeadxHeadInOne User h void main woid Make DO NOT TOUCH BEGIN mipil BE e Clean Initialize all in chip resources and start macros top Build ee AutoConfByMCL 1500 Add Ld DO NOT TOUCH END Remove Rename JL Source Code Control af main loop start from here File Properties jD et as O main c ForExhibitionl 2 startup c Output while TRUE t FeedDog TRUE FALSE ArmlnverterPlatform FolCJ lt m Ga gt gt S
3. Es gt e 5 gt Id Messages main c startup c Linking ArminverterPlatform out i Total number of errors 0 i m 2 Build Debug Log Clean and make the selected project Errors Warnings i Figure 2 7 Rebuild the Project 3 Select Project gt Download and Debug 2 IAR Embedded Workbench IDE File Edit View Tools Window Help Add Files kg Add Group Import File List Files Edit Configurations CEST Debug 1 GLOBAL VARS Head HeadInOne User h Remove D Create New Project DO NOT TOUCH BEGIN Add Existing Project Options AltrF7 lize a11 in chip resources and start macros Source Code Control MCL 1500 Make Compile Ctr DO NOT TOUCH END Rebuild All Clean Batch build m 00005 bop start from here Stop Build Ede ee 4 4 4 444 444 44 44 4e Debug without Downloading 1 2 EHEH poets ta es t3 Outpu Download ArmlnverterPlatform B ri d Messages main c startup c Linking ArminverterPlatform out Total number of errors 0 lt Build Debug Log Download the application and start the debugger Errors 0 Warnings Figure 2 8 Download and Debug the Project 18 IAN706 00042 1v0 E For more information about the firmware project please refer to the Users Manual of Firmware part 2 4 FLASH pro
4. LE 29 91 SCMEMALIC er ete 29 5 1 1 Power Board uyu dada d maie 29 5 1 2 Inverter Board ae uot n e ead EC a RR atus 30 5 1 3 DG Eink Board iG ede ua ve code antl Pell t dede 34 IAN706 00042 1v0 E Preface About this manual This book provides the detail hardware information of the Inverter reference Board with Fujitsu s FM3 family It describes the features of the reference board and how to get start with it The hardware circuits of this reference board also are provided The document is organized as follows v Chapter 1 Introduction This chapter introduces the Inverter Reference Board with Fujitsu s FM3 family and provides a brief overview of its features Chapter 2 Getting Start This chapter provides information on getting started with the Inverter Reference Board Chapter 3 Motor Control GUI This chapter introduces the motor control GUI briefly Chapter 4 Hardware This chapter describes the hardware on the Inverter Reference Board Appendix This appendix provides schematics as well as pin arrangement for the Inverter Reference Board Related document MB9BFxxx Series PERIPHERAL MANUAL Other Users Manual of Inverter Solution IAN706 00042 1v0 E 1 Introduction Introduction of the reference board 1 4 Overview The Inverter Reference Board with Fujitsu s FM3 family is intended to aid the user in the rapid evaluation an
5. clade rn PE EUR etc P ve Ed ean 17 2 4 FLASH programming using 19 3 Motor Control trt ei ege nene epe EU e EEA ex 20 3 1 lt SoftWare OVervIew oce dese eee eere e eee ce YR a aves 20 3 2 Setup the USB to UART connection 21 4 Hardware sce inthe and d ee 22 41 Power Supply Board ere Fett te REIR e ua SUR SERERE CEA EE RARE PR Ra Fun 22 4 1 1 stage E 22 4 1 2 Power SUPPIIES e fie etis 22 4 2 1 22 4 3 Active Stage iet ce Le eva Lc MERE ERE EE EL 23 4 3 1 uq reg adie e tue ee a guest cde 23 4 3 2 PFC feedback eee eee to e Ac e bete enda 23 4 3 3 D 24 4 4 3 Phase Invert 24 4 4 1 Power Module de to et De erede dee 24 4 4 2 Feedback ep te rat E E e Er dtes 25 4 4 3 Exerc 25 4 5 METI rand MET2 Ports rire ec teen 26 4 6 Isolated Ports ee eee eger de ee PD epe e eee de 27 4 6 1 Isolated SPI etica Er CHORO pe e debes 27 IAN706 00042 1v0 E 4 6 2 Isolated 27 4 7 Serial Programming Port nemen nennen nnn 28 5
6. FUJITSU AN706 00042 1v0 E r j Fm3 32 BIT MICROCONTROLLER MB9B100A MB9B300A MB9B400A MB9B500A Series FM3 family inverter reference board User Manual TM ARI ARM and Cortex M3 are the trademarks of ARM Limited in the EU and other countries IAN706 00042 1v0 E All Rights Reserved The contents of this document are subject to change without notice Customers are advised to consult with FUJITSU sales representatives before ordering The information such as descriptions of function and application circuit examples in this document are presented solely for the purpose of reference to show examples of operations and uses of Fujitsu semiconductor device Fujitsu does not warrant proper operation of the device with respect to use based on such information When you develop equipment incorporating the device based on such information you must assume any responsibility arising out of such use of the information Fujitsu assumes no liability for any damages whatsoever arising out of the use of the information Any information in this document including descriptions of function and schematic diagrams shall not be construed as license of the use or exercise of any intellectual property right such as patent right or copyright or any other right of Fujitsu or any third party or does Fujitsu warrant non infringement of any third party s intellectual property right or other right by using such information Fujitsu assumes no liabili
7. They are Y Power Board This board contains the EMI filter stage and an AC to DC module The AC to DC module can output a stabled 15V 15W power line It will be transformed to two 5V power lines through line regulators one is for MCU system and another is for cooling fans At the same time isolated 5V power line comes from the 15V line by isolated DC to DC and another isolated 5V is for isolation communication device Y Inverter Board There are PFC stage and Inverter stage as well as a full bridge rectifier module provided for selection when the user doesn t need PFC stage Y DC Link Board DC Link Board can make smoothly 100Hz half sine wave power and it can provide to DC bus through three electrolytic capacitors The input and output cables should be with the minimum current rating of 10A Figure2 1 shows the connection of the boards ng EI 1 Fujitsu Ga Figure 2 1 Connection of the Boards 2 2 Connectors of System 2 2 1 Connectors on Power Board The connectors on power board are shown in Figure2 2 10 IAN706 00042 1v0 E IAN706 00042 1v0 E lt v 3 E A al EN Figure 2 2 Connectors on Power Board Table 2 1 collects the definition of the connectors on power board Table 2 1 Definition of Connectors on Power Board Number Port Designator Description 1 P1 N input of AC mains 2 P2 Linput of
8. AC mains 3 P3 Earth Ground 4 P4 L output of filtered AC mains 5 P5 N output of filtered AC mains 6 J1 15V_C 5V_C output 7 J2 5V_A output 8 9 J3 J4 Power supply for cooling fans 11 IAN706 00042 1v0 E 2 2 2 Connectors on DC Link Board The connectors on DC Link are shown in Figure2 3 Figure 2 3 Connectors on DC Link Board Table 2 2 collects the definition of the connectors on DC Link board Table 2 2 Definition of Connectors on DC Link Board Number Port Designator Description 1 P1 PFC positive input 2 P2 GND 3 P3 DC bus positive output 4 P4 GND 12 IAN706 00042 1v0 E 2 2 3 Connectors on Inverter Board The connectors on Inverter board are shown in Figure2 4 Lid id bi eve S B Fujitsu 2 m Figure 2 4 Connectors on Inverter Board 13 IAN706 00042 1v0 E Table 2 3 collects the definition of the connectors on Inverter board Table 2 3 Definition of the Connectors on Inverter board Number Port Designator Description 1 P1 Linput to P4 on power board 2 P2 Ninput to P5 on power board 3 P3 PFC positive output to P1 on DC Link board 4 P4 GND to P2 on DC Link board 5 P5 PFC inductor connector 6 P6 PFC inductor connector 7 P7 Motor phase U 8 P8 Motor phase V 9 P9 Motor phase W 10 P
9. Fujitsu Semiconductor Design Chengdu Co Ltd ate Thursday March 10 2011 PFC P O LED SRI 120K Di X 2 Mite 470uF 460 5 Suis 410450 1 P2 Figure 6 6 DC Link Board End 34
10. Temperature of IPM 16 RLY System relay 17 AC System current 18 V DC DC bus voltage 19 V AC Rectified AC voltage 20 PFC RTH Temperature of PFC module 21 GND C Digital GND 22 Zero Check Zero crossing event detection 23 PRT DC Over voltage protection 24 VFO PFC Fault signal from PFC module 25 PWM PFC PWM signal to PFC module 26 NULL not connected 26 IAN706 00042 1v0 E Table 4 2 shows the pin definition of J6 Table 4 2 Pin Definition of J6 Pin of Port Net lab Description 1 PWM UP EXT High side signal for U phase of extended IPM 2 PWM VP EXT High side signal for V phase of extended IPM 3 PWM WP EXT High side signal for W phase of extended IPM 4 PWM UN EXT Low side signal for U phase of extended IPM 5 PWM VN EXT Low side signal for V phase of extended IPM 6 PWM WN EXT Low side signal for W phase of extended IPM 7 GND C Digital GND 8 5v C 5V_C 9 15V C 15V C 10 VFO IPM EXT Fault signal from extended IPM 11 NULL not connected 12 S U EXT U phase current from extended motor 13 S V EXT V phase current from extended motor 14 S W EXT W phase current from extended motor 15 IPM RTH EXT Temperature of extended IPM 16 NULL not connected 4 6 Isolated Ports These isolated ports are powered by an isolated DC to DC It provides galvanic isolation rated up to1500 VDC second 4 6 1 Isolated SPI This interface is based on the trip channel di
11. Two fault conditions will turn off the low side IGBTs a Under voltage of 15V high side b The voltage on CSC pin is higher than 0 5V At the same time the module will output low level from VFO pin A pull up resister is need on VFO pin because it is open collector type If you want to know more detail please refer to the each device s datasheet 24 IAN706 00042 1v0 E 442 Feedback Circuit Inverter Leg Shunt Resistor Feedback a shunt resistor is located between the emitter of the low side switches U V W and the DC bus A simple differential amplifier circuit is used as shown in Appendix A The operation of the circuit used for the U phase leg is described below The current is measured using the shunt resistor R43 and the operational amplifier L224D U6C R50 R51 R53 R54 and R55 set the gain The output of the TL431 U7 shifts the voltage of the shunt resistor with 2 5V DC offset level Hence the voltage applied to the ADC of MCU channel varies within 2 5 4 75V R52 and C27 filter out the high frequency noise The same topology is used for the phase V W Quadrature Position Revolution Counter QPRC Feedback this feedback signal provides exact rotor position to the MCU There are two QPRCs in the MCU Each counter contains three channels A B and 2 They are pulled up to the 5V by resisters respectively J7 J8 are used as the feedback signal input ports The boards can supply 5V to the optical electric encoder
12. for MCU system 5V for isolation chip 5V for cooling fans e 90V 265VAC output went through line filter PFC stage of Inverter board e Maximum input voltage 90 V 265 e Adapt PFC module includes rectifier bridge fast recovering diode IGBT e VAC input voltage sensing e DC bus sensing e DC Over voltage protection e Current Feedback circuitry Over current protection e Zero crossing detection Inverter stage of Inverter board e Three phase inverter bridge with a power rating of 400V 10A Phase current sense resistor for dual shunt vector control Over current protection Input Output of Inverter board e 15V and 5V power supply input 45 706 00042 1 0 e port for motor control PFC signals input or output 42 MFT2 port for 2 channel of motor control signal output J6 e Two channels of quadrature encoder interface J7 J8 Isolated Communication Ports e SPI communication port J10 e UART communication port J9 Programming and debug interface e JTAG via 20 pin port 43 Serial programming port e Serial programming port J1 Additional Protection Circuitry 250 VAC 15A fuse In rush current limiter EMI filter IAN706 00042 1v0 E 2 Getting Start Getting start with the hardware firmware and software 2 1 System Components This reference system is made up with three daughter board
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14. 06 00042 1v0 E 4 3 Active PFC Stage 4 3 1 Boost chopper The active PFC circuit is a simple boost chopper type It can control to aim ideal input current to follow the incoming main supply voltage waveform A special module FPAB30BH60 has full bridge rectifier IGBT gate driver and fast recovering diode It is used as core component of the PFC circuit The input voltage range of the module is 90V 265VAC The IGBT can tolerant with 600VAC 30A For more information please refer to datasheet of FPAB30BH60 To make up a boost chopper circuit the user is required to add an external choke through existing connectors The recommended specification of choke is 2 4 mH 15A 4 3 2 PFC feedback circuit There are four feedback signals These are required to implement digital PFC function They are Rectified input voltage DC bus voltage Rectified input current v Rectified input voltage zero crossing event The rectified input voltage comes from the voltage divider that consists of R12 R13 and R16 The range of voltage is 0 4 0V when AC mains input range is 90VAC to 265VAC There is RC filter made of R14 and C7 between some resisters and ADC pin D3 diode can limit to 5V as a maximum voltage As the rectified input voltage the DC bus voltage comes from some resisters It consists of R2 R3 and R8 DC bus voltage passes through the filter that is made of R4 and C2 D1 diode can limit to 5V as a maximum
15. 1 von Ls 201 RED 922551 60 3 wien pus 3022209 1 4001 298 i 691 L aan 13001 298 20 s ci wa 481551 3 N9v la agn _ ITONA 23 Nov 1L wT MEET ob vH 8 099 PN d 3 N9 s dor 001 P gt gt Walo A Hina T Sby E 22 3i p aoro ASTIANOL 3 Inverter Stage 6 igure F 31 IAN706 00042 1v0 E 38249 1102 87 Jueruqej Aepuoyy fra TTO MOS ONIIHIS un unay ao 09 np amp uaua u isag aoronpuooruies ASEPCZOLABABG INY 3 3 022 HO 1 ax Janay gs 01 p ADU Edf 2 29 922 24d Qud ION 3 INIZ IN lt lt o T NIZ ONIA ONT O44 s Fak lt 2589 gt gt i vag IONS TNA Pun 55 dat Nd 00996894 S tow pte 1x 0s TSSA QONV OLd LLOS ZONV ZL d 11033579 SOLNI
16. 10 DC bus positive input to P3 on DC Link board 11 P11 GND to on DC Link board 12 J1 Serial programming port 13 J2 port 14 J3 JTAG port 15 J4 5V_A input 16 J5 15V C 5V C input 17 J6 MFT2 port 18 19 J7 J8 Quadrature Position Revolution counter interfaces 20 J9 Isolated SPI port 21 J10 Isolated UART port 14 IAN706 00042 1v0 E 2 2 4 JTAG connection The reference board supports standard 20 pin JTAG debugging and programming By now the user is recommend to use IAR system tools including the emulator and complier since our project is developed with IAR system tools Figure 2 4 shows the connection between the reference systems with J link Figure 2 1 JTAG Connection with IAR JTAG tool 15 IAN706 00042 1v0 E 2 2 5 Connection Sequence The recommended connection sequence is listed below The user should ensure that the following sequence is met before connecting the system to the mains a motor and a host computer 1 Connect 15V and 5V from power board to inverter board 2 Connect filtered AC mains supply from power board to inverter board 3 Connect PFC or half bridge rectifier module output to DC Link board Note Before any connection to DC Link board verify that the system is not powered and it is fully discharged 01 off 4 Connect DC Link output to DC bus input on inverter board 5 Connect the IDC 20A male to JTAG port J3 on inverter
17. 5 19 SNIS 00 5014 94 OXL C 91070 94951294 1 SLINUZ 2501110 94151099 33 asn 0400 0849 PSSA Figure 6 4 MCU system 32 IAN706 00042 1v0 E 1102 87 uerugs 4 9 saquiny z ETOVNTIOS ANIIHIS un npBueuj u iseg nsy n4 LLE BE BE 999 ay UIW AAT WEI UIT H3QOOCON3 oor core Ll 559 uz T NW i 2 uo Y0 288 34d No TONS lt gt 30 683 io 30 888 L 01 099 L kp pa 01 199 L 2 To UA Tx D 3 ney IIFA LE 2 N9v ITONO 2 QNS v ZNOJ v NS PEELE De or Sidi vidi zal u3Mod L yx mm w 3 or 3901490390 VALNOJ 523 5 ud x I LYOd TOHLNOD per HLA Wid a MS MOZNO2 3001 98H FA ASECEOLAAG INY SS LdOd TlOHLNOO Figure 6 5 Connectors 33 IAN706 00042 1v0 E 5 1 3 DC Link Board SCH CM ECAP A0 1 0
18. board and connect the USB cable of J Link to host computer 6 Connect the U V W phase terminal to three phase compressor Please refer the figure 2 5 In the case of the compressor U V W terminal connects to the clockwise compressor terminal 7 Connect the AC mains supply to power board Note Make sure that the computer or reference board is connected to isolated AC mains supply before connecting the reference system with the J link or host computer Figure 2 2 Connection between inverter board and compressor For example U is red line V is black line and W is blue line IAN706 00042 1v0 E 2 3 Debug the System Before debugging the IAR EWARM must be installed The firmware is developed with it How to prepare for debugging please refer as follows 1 Open the target project 2 IAR Embedded Workbench IDE DAR File Edit View Project Tools Window Help define DEFINE GLOBAL VARS pia include User Head HeadInOne User h wa void Le Ha G Global Ha Ci Algorithm DO NOT TOUCH BEGIN Application ZZ Initialize all in chip resources and start macros Driver B HeadinOne AutoConfByMCL 1500 E J Source C3 Global DO NOT TOUCH END Ha C3 Algorithm Ha C3 Application 55 555 5 5 55555555555 La Driver d main loop start from here af 6565345
19. d development of motor control applications using MB9B500 Series MCU which are embedded with ARM Cotex M3 CPU core This reference board is targeted to control Permanent Magnet Synchronous Motors in sensor less operation The reference board has a three phase power module device that contains the motor inverter and the gate driver s circuit It also has Power Factor Correction PFC circuitry and in order to provide a full set of tools used in motor control applications If the user doesn t need PFC stage a rectifier module is also provided for selection Figure1 1 is a system block diagram of Inverter Reference Board The rated continuous output current from the inverter is 10A RMS This allow up to 2 2KW output when running from a 220V single phase input voltage in a maximum 25 C ambient temperature environment IAN706 00042 1v0 E DC LINK Board AC Main Supply PFC Output JL Inverter Board Power Supply Board F werM 2 PFCandFeedback 4 To Motor Circuitry Circuitry EMI Filter In rush Serial n Programming Limiter Power Input Port Figure 1 1 System Block Diagram 1 2 Features This reference board is consisted with three parts named as power board DC Link board and inverter board The key features of the reference board are listed as below Power board e 90V 265VAC input compatible e Four channels of power supply rails 15V for IPM and PFC module 5V
20. ge This circuit consists of the following components F1 15A 250VAC fast acting fuse 281 ZR2 Across the incoming AC power supply lines to suppress high energy transients R1 Theresistor that is used to discharge the C1 and C4 safely 11 C2 and These three components make up a common noise filter C2 C3 are Y capacitors C1 C4 Film capacitors to aid in the suppression of EMI 4 1 2 Power supplies The power board provides the 15 volt power supply using an isolated AC to DC power module U1 The output voltage is regulated at 15 volt with a maximum output current of 1 A As a result maximum power is 15W This 15 volt power rail supplies to the PFC and IPM module directly and three 5 volt power sources are generated Two of them are created using line regulators U2 U3 and another one is created using isolated DC to DC module U4 The 5V C is for MCU system including MCU JTAG interface one side of the isolation chips and current feedback circuit of PFC stage etc and 5V A is for another side of the isolation chips 4 2 In Rush Limiter Three high voltage electrolytic capacitors are mounted on the circuit There will be a huge current rush flows through the circuit when power is supplied PTC PTC1 connected in the AC L line can prevent the current rush The relay RL1 connected in panel with PTC is used to short the PTC after a short period when the current get into a normal range 22 IAN7
21. gital isolator ISO72314 It has two channels one is in direction and the other channel is in opposition The communication speed is up to 1Mbps 4 6 2 Isolated UART This interface is based on the ISO7221B which provides two isolation channels The channels are oriented in opposite directions The communication speed is up to 5Mbps 27 IAN706 00042 1v0 E 4 7 Serial Programming Port Except the JTAG port the user can program the MCU by serial programming port J1 This port is connected to the UARTO with the RX pin connected the 5V by a resister R79 The SW2 is used to shift the level on P60 as well as JMP3 is used to shift the level on MDO When P60 0 and MDO 1 the programming is allowed or it is disabled 28 706 00042 1 0 5 Appendix Schematic 5 1 Power Board 1 5 1 Jequiny wawnoog 9 1 25 nsu n 4 un od pn np amp usu ufiseg nsulnd 3 ONS IN WA TONS Fa 193 lona 52 8 A NA 9 9 I ets wi sogn DS uy en 31801 91H 4037 mE m 223 PN 2 Wl
22. gramming using UART The user can program the MCU with UART interface Please prepare below items 1 UART to RS232 conversion device The board has the device 2 FLASH Serial programming software The port for downloading is J1 It s definition is as below Table 2 4 Pin definition of J1 Pin of Port Net lab Description 1 PRO RX Data input 2 PRO TX Data output User can take these steps to programming the flash 1 Connect the PC and reference board via UART to RS232 2 Connect the jumper JP3 that keeps the MDO H 3 Push SW2 to keep the P60 L level 4 Power the reference board and reset the MCU by pressing the SW1 5 Programming the flash using FUJITSU FLASH MCU Programmer for FM3 Figure 2 9 shows the interface of software FUJITSU FLASH MCU Programmer for FM3 Target Microcontroller M saa E End Address 07FFFFH ArminverterPlatfarm h o Hex File ArminverterPlatiormhex a 080000H Command to Option Start Address 000000H Crystal Frequency Set Environment Help Full Operation D E B P Check SUM Download V01 L01 b04 FUJITSU Figure 2 9 Fujitsu Flash MCU Programmer for FM3 IAN706 00042 1v0 E 3 Motor Control GUI This chapter will introduce the GUI 3 1 Software Overview Fujitsu provides a computer based interface for this reference board The GUI provides a wide range of control functions for moto
23. ibed in this document represent goods or technologies subject to certain restrictions on export under the Foreign Exchange and Foreign Trade Law of Japan the prior authorization by Japanese government will be required for export of those products from Japan The company names and brand names herein are the trademarks or registered trademarks of their respective owners Copyright 2011 FUJITSU SEMICONDUCTOR LIMITED all rights reserved Revision History Date Remark IAN706 00042 1v0 E Jul 13 2011 First Edition IAN706 00042 1v0 E Table of Contents Revision 2 Table of Contents dec aii i eae 3 d introductions dai cidit ane 6 1 1 SQVERVIOW 6 1 2 Features osten eu pe cen WR 7 2 Getting 9 2 1 System Components 9 2 2 Connectors of System enne rennen nnn 10 2 2 1 Connectors on Power Board ene 10 2 2 2 Connectors on DC Link Board 12 2 2 3 Connectors on Inverter Board 13 2 2 4 STAG connection eee p dete D E ERE t 15 2 2 5 Connection Sequence ener nnne nnne 16 2 3 Debug the System
24. r operations Not only can user set the speed and rotation direction but only can observe the value of constants and variables or configure the key parameter of the system This GUI supports Chinese and English language The user can select one of them at the same time Figure 3 1 provides the main view of GUI HE ARNInverterPlatform Connection control PFC start stop Motor start stop control control PFC Compres E Fan Function parameter settings Configuration Constant observation Variable observation Language setting FUJITSU Current state System Connected Compressor Stop Fan Stop PFC Stop Figure3 1 View of GUI 20 IAN706 00042 1v0 E 3 2 Setup the USB to UART connection The reference board provides an isolated UART port to communicate with a USB to UART board This board is connected to the PC through USB port In order to ensure the communication it is recommended shorting the length of wires The user can connect the communication kit as below FUJITSU Figure3 2 USB to UART connection For more information of GUI please refer the GUI user manual 21 IAN706 00042 1v0 E 4 Hardware This chapter describes the hardware circuitry and components of the reference board 4 1 Power Supply Board This board contains the EMI filter circuit and the AC to DC module It will supply AC mains and low voltage power rails to inverter board 4 1 1 EMI filter sta
25. ty for any infringement of the intellectual property rights or other rights of third parties which would result from the use of information contained herein The products described in this document are designed developed and manufactured as contemplated for general use including without limitation ordinary industrial use general office use personal use and household use but are not designed developed and manufactured as contemplated 1 for use accompanying fatal risks or dangers that unless extremely high safety is secured could have a serious effect to the public and could lead directly to death personal injury severe physical damage or other loss i e nuclear reaction control in nuclear facility aircraft flight control air traffic control mass transport control medical life support system missile launch control in weapon system or 2 for use requiring extremely high reliability i e submersible repeater and artificial satellite Please note that Fujitsu will not be liable against you and or any third party for any claims or damages arising in connection with above mentioned uses of the products Any semiconductor devices have an inherent chance of failure You must protect against injury damage or loss from such failures by incorporating safety design measures into your facility and equipment such as redundancy fire protection and prevention of over current levels and other abnormal operating conditions If any products descr
26. voltage Rectified input current is measured using the shunt resistor R17 and the amplifier UAC unit The gain of amplifier is set at 5 Rectified input voltage zero crossing event is sensed using a voltage divider R21 R22 and an opt coupler U3 23 IAN706 00042 1v0 E 4 3 3 Fault circuit DC Bus Over voltage this fault signal is generated when the maximum voltage limit on the DC bus rails is reached The threshold value is set to 390 V The comparison of the threshold value and the amplified DC bus voltage is done by amplifier unit U4C The threshold limit is set by R31 and R32 DC Bus Over current this fault signal is generated when the maximum current limit of 16A is reached The comparison of the threshold value and the actual current is done by amplifier unit 048 The threshold limit is set by R27 and R29 4 4 3 Phase Invert Stage 441 Power Module The three phase inverter is embedded in a power module U5 This power module contains e 600V 15A 3 phase IGBT Inverter Bridge e built in bootstrap diode and VS output e Short circuit protection e Divided negative dc link terminals for inverter current sensing applications e Gate Driver Power Supply Under voltage protection e Single grounded power supply e Isolation rating of 2000Vrms min e Maximum switching frequency 20 kHz The MCU provides the PWM signals to this power module in order to turn on off the IGBT therefore the power is applied to the motor phases
27. which is fixed in the motor through the port 4 4 3 Fault Circuitry Phase Over current Protection an operational amplifier U6D acts as a comparator to compare the amplified voltages on shunt resistors with the regulated 2 5V One channel of voltage is higher than 4 75V DC The U6D will output a high level up to 13 5V to the power module This fault signal can turn the low side IGBTs off The threshold of the phase over current protection can set 15A as default value 25 IAN706 00042 1v0 E 4 5 MFT1 and MFT2 Ports The MB9B500 Serial MCU is embedded with two Multi Function Timer MFT modules This reference provides two ports to output or input MFT control and feedback signals The J2 port contains four parts motor control motor feedback PFC control and PFC feedback The J6 contains two parts motor control and feedback Table 4 1 shows the pin definition of J2 Table 4 1 Pin Definition of J2 Pin of Port Net lab Description 1 PWM UP High side signal for U phase 2 PWM VP High side signal for V phase 3 PWN WP High side signal for W phase 4 PWM UN Low side signal for U phase 5 PWM VN Low side signal for V phase 6 PWN WN Low side signal for W phase 7 GND C Digital GND 8 5v C 5V 9 15V C 15V 10 VFO IPM Fault signal from IPM 11 GND C Digital GND 12 SU U phase current 13 SV V phase current 14 SW W phase current 15 IPM RTH
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