变频器电源板 0400031EH
变频器电源板 0400031EH
1．原理图
2．工作过程分析
转换开关SA处在“正转”位置，电动机正转；转换开关SA处在“反转”位置，电动机的相序改变，电动机反转；转换开关SA处在“停止”位置，电源被切断，电动机停车。
电动机处于正转状态时，欲使之反转，必须把手柄扳到“停止”位置，先使电动机停转，然后再把手柄扳至“反转”位置。如直接由“正转”扳至“反转”，因电源突然反接，会产生很大的冲击电流，烧坏转换开关和电动机定子绕组。
3．电气线路特点
优点：所用电器少，控制简单
缺点：频繁换向时，操作不方便，无欠压，零压保护，只能适合于容量5.5KW以下的电动机的控制。
IFM EFFECTOR PHOTOELECTRIC SENSOR OG5044
YOKOGAWA 0-800 AC AMPERES METER 60RY3434 / 288 1990
HEIDENHAIN 294 742 05 640MM LINEAR ENCODER, LS 176
SONAC PROXIMITY SENSOR MODEL-11L
DARKFIELD QUEBEC 40W 115V 60Hz COLONY COUNTER 3325
EMECANIQUE XTA-A159115 PROXIMITY SENSOR, NNB
NAMCO DURAPROX PROXIMITY SENSOR EE510-9104
OMRON * PHOTO MICRO SENSSOR * WW-SPW421
BANNER RETRO SENSOR RSBLV 25547 NIB
IFM ELECTRONIC PHOTOELECTRIC SENSOR 005000 NNB
EMECANIQUE 110-120V INDUCTIVE PROXIMITY SENSOR XSB-A25513
EATON CUTLER-HAMMER 20-264VAC, 15-30VDC PHOTOELECTRIC SENSOR 11101AQD03
KOBOLD SPST FLOW METER VKM / 41R57 NNB
GP:50 231-VE/GS/FB PRESSURE TRANSDUCER, NIB
OHMART VEGA VEGA PULS 65.UX SENSOR ASSEMBLY PS 65.UXMNPHKNA
-TRU 0-200 DEGREES-F THERMOMETER
DIXON BOSS 0-100PSI PRESSURE GUAGE NIB GC225
LORENZ MESSTECHNIK TORQUE 100NM
DELPHI PS10073 MAP POSITION SENSOR, NIB
DELPHI PS10086 MAP POSITION SENSOR, NIB
OTHER * BANNER PHOTOELECTRIC EMITTER * SMI306EQ
BANNER MULTI-BEAM LOGIC MODULE 26665
DELPHI TS10145 TEMPERATURE SENSOR, NIB
DELPHI TS10154 TEMPERATURE SENSOR, NIB
DELPHI TS10081 TEMPERATURE SENSOR, NIB
SCHUNK INDUCTIVE PROXIMITY SENSOR 0301585 NIB
SMC PRESSURE SWITCH PSE100-A SENSOR
TAKAGI 0-1000 0-3600 CLASS 2.5 RPM GAUGE KMV-80-BJ
FLOW PLUS FLUID PRODUCTS LS-5100-BBNO FLOAT SWITCH, NNB
STI MINISAFE B LIGHT CURTAIN TRANSMITTER MS436BX
VICKERS ELECTRICAL PRESSURE INDICATOR P-230304-01B NIB
PULSOTRONIC 20..250VAC PROXIMITY SWITCH SENSOR 9853-3862
BALLUFF OUTPUT SENSOR RXE-1805N-PU-02 NNB
IFM ELECTRONIC 102-132VAC 20-400PSI PRESSURE SENSOR PB4213
IFM EFECTOR100 INDUCTIVE SENSOR IF5580 NIB
EFECTOR100 IFM QUADRONORM PROXIMITY SWITCH IG5907
TEMPOSONICS LINEAR TRANSDUCER DCTM-1911
IFM EFECTOR 20-250V 350MA PROXIMITY SENSOR, IGA2008-ABOA/SL?/IG0341, NNB
SICK FIBER OPTIC LIGHT GUIDE CABLE LSSF 32900 / 7023585
ENCODER PRODUCTS 15VDC ACCU-CODER INCREMENTAL SHAFT ENCODER MODEL 716
FOXBORO 8300 SERIES MAGNETIC FLOWTUBE 8306-SABA-TSJ-G?FNA
KEYENCE LASER DISPLACEMENT SENSOR LK-2503
YAMATAKE-HONEYW?ELL 10.8-26.4VDC PHOTOELECTRIC SENSOR HPJ-E21-008
DYNAPAR ROTARY ENCODER AI2512122B92F
BANNER VALU-BEAM 915 SER SENSOR, SMA915FQD, W ELECTROMECHANIC?AL RELAY OUTPUT NIB
