施耐德变频器ATV71系列维修资料.ppt

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1、ATV71 training,ATV71 product application and element instruction,成都西骋科技有限公司,CONTENTS,ATV71 PRODUCT STRUCTUREELECTRICAL STRUCTURE,PHYSICAL STRUCTURE,Control block,Note:This figure is not the one of final structure and is only for outline explanation,S2-3,Note:This figure is not the one of final struc

2、ture and is only for outline explanation,18.5-37kW,S4-5A,18.5-37kW,S5B,S6-8,ELECTRICAL STRUCTURE,ATV71 up to 18kw diagram,Capital electrical components for Athena Inverter unit,HCT(5.5-18kW),Shunt resistor(Up to 4kW),IGBT,REC(Diode bridge),ATV71 up to 75kw diagram,Capital electrical components for M

3、inerve Inverter unit,REC(up SCR,down Diode bridge),IGBT,Control block,To Power board,Control block,Display board,terminal board and application board and motor control board consist of control block,Display board,Membrane switch,Terminal board,Motor control board,Application board,Control blockFunct

4、ion diagram,Key inputting circuit,Display board,LED drive circuit,Serial,PC,PC,DC/DC,LDO regulator,RY,Terminal input circuit,RJ45,P24S,FL,RS485I/F,V/I conversion,CANI/F,CPU,SCI,SCI,Timer,OSC(20MHz),Reset,Analog voltage output filter,Timer,Charge LED,Analog input circuit,A/D,terminal board,P5,P10,P24

5、,application board,RS485I/F,RJ45,Drive board,P24,PWR,Motor control,Application boardP24M1 are supplied from Drive board by S103 connectorthen P24M1 produce P15M P5M P11M N12M,P15M N12M produce+10V output,AI1 input circuit,Ao output circuit,Modbus circuit,ATV71 have two RJ45 conncetor,so there is two

6、 Modbus circuit,Logic input circuit,P5,CPU,P24,SW1,RT1N431M,Input Terminal,CLI,C2,C1,2SA1603,2SA1603,FUSE,Li6 input circuit,Attention the position of SW101,one for logic input,the other for PTC input,PWR protection function To detect external fault,normally short circuit with P24V.External circuit s

7、upply+24V for PWR as warning signal.Once external circuit failure,low voltage forward to PWR,the inverter will forbid the up IGBT bridge output,it mean forbid output.,APPLICATION BOARD,Reset,CPU,A/D,SCI,Timer,PC,Timer,PC,EEPROM,Sample hold circuit,GTR7,MSRY,Motor control circuit,P5,VDET,THR,Iu,Iv,Iw

8、,Gate signals,SAFE,OSC(20MHz),Motor control circuitFunction diagram,safe,Encode signal,24V,BLICBTRIP,CFUWCFVW,CRCFB,CTF,SDAPSLCP,PASS,BCV,DRIVE BOARD,Reset,OPTION BOARD,Application board,S106 to terminal board,S102 to motor board,S105 to display board and option board,S103 form drive board,offer P24

9、 and fan signal,The circuit P24 produce P15 P5,Ai1 Ai2 Ao circuit,ADM485 for terminal board,terminal board,S106 to application board,SW100 for source or sink selection,SW101 for PTC or Li6 selection,RJ45 for MODBUS,PWR terminal,Motor control board,S101 for option card,S102 to application board,S100

10、to drive board,get some feedback signal(current,voltage),Drive board,Application Board,Motor Control Board,Switch power,Up to 18.5kw,supply start get from DC bus voltage.,Over 18.5kw,supply start get from AC input due to SCR rectifier,First by half rectify to supply switch power,get+VCA and supply s

11、tart signal.After switch power start,it control SCR working,then Dcbus circuit offer the+VCA for switch power circuit.,Safe(PWR signal)circuit,Safe signal control the output of CMD2,CMD2 drive the gate signal.so if PWR signal is low voltage,CMD output low voltage,then hardware forbid up IGBT bridge,

12、the inverter no output.,Gate drive circuit,Up to 4KW,UP IGBT bridge,down IGBT bridge,Safe control CMD2,Gate drive circuit,4KW to 7.5KW,UP IGBT,down IGBT,11KW,15KW to 18.5KW,Over 18.5KW,SCR drive circuit(over 18.5KW),Input phase detection circuit,Current detect circiut,Over current detect circuit,Sma

13、ll size,Output(phase to phase)short circuit detect,Small size,Current protection circuit For S7-S8,Phase to ground short circuit,Up to 18.5kw,Voltage detection circuit,Voltage detection,DC-DC charge-up circuit.,P,N,DC bus Voltage detectto CPU,Output voltage detection circuit(up to 18.5KW),Output fre

14、quency catch circuit,Output voltage detection circuit(18.5kw-75kW),Over current detection for minskiip,Send to IC301,0VH,1.The circuit is to detect IGBT status,if wrong,INV display SCF.2.over current is calculated by feed back sensor.,Connector of drive board defined(22KW),Connector of drive board defined(up to 75KW),Connector of drive board defined(up to 18.5KW),S3,S4-S5,