描述
電容在電路中所起的作用不同,引起的故障也各有特點(diǎn)。在工控電路板中,數(shù)字電路占絕大多數(shù),電容多用做電源濾波,用做信號(hào)耦合和振蕩電路的電容較少。用在開關(guān)電源中的電解電容如果損壞,則開關(guān)電源可能不起振,沒有電壓輸出;或者輸出電壓濾波不好,電路因電壓不穩(wěn)而發(fā)生邏輯混亂,表現(xiàn)為機(jī)器工作時(shí)好時(shí)壞或開不了機(jī),如果電容并在數(shù)字電路的電源正負(fù)極之間,故障表現(xiàn)同上。這在電腦主板上表現(xiàn)尤其明顯,很多電腦用了幾年就出現(xiàn)有時(shí)開不了機(jī),有時(shí)又可以開機(jī)的現(xiàn)象,打開機(jī)箱,往往可以看見有電解電容鼓包的現(xiàn)象,如果將電容拆下來量一下容量,發(fā)現(xiàn)比實(shí)際值要低很多。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(福克斯波羅):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
TACHO SENS.0286
REXROTH INDRAMAT MAC112D-0-FD-4-C/130-A-1/WI520LV SERVO MOTOR 2000RPM 56A 336INLB TACHO SENS.76
REXROTH INDRAMAT MAC112D-0-HD-3-C/130-0-0 SERVO MOTOR 1500RPM DBL-SHFT TACH FEEDBK KYWY BRAK
REXROTH INDRAMAT MAC112D-0-HD-3-C/130-A-0 SERVO MOTOR
REXROTH INDRAMAT MAC112D-0-HD-3-C-130-A-1/SO5 SERVO MOTOR
REXROTH INDRAMAT MAC112D-0-HD-3-C/130-A-0 SERVO MOTOR
REXROTH INDRAMAT MAC112D-0-HD-3-C/130-A-1 SERVO MOTOR
REXROTH INDRAMAT MAC112D-1-FD-2-C/130-A-1 SERVO MOTOR WITH BRAKE 57NM 83A
REXROTH INDRAMAT MAC-112D-2-ED-1-B/130-A-1/1625 SERVO MOTOR
REXROTH INDRAMAT MAC-112D-2-ED-4-C/130-A-1/WI524/S005 SERVO MOTOR
REXROTH INDRAMAT MAC112D-2-ED-4-C/130-A-0-WI-520LX/S005 SERVO MOTOR
REXROTH INDRAMAT MAC112D-2-HD-4-C/130-A-2/W-I520LX/S018 SERVO MOTOR
REXROTH INDRAMAT MAC112DED4C130A1 SERVO DRIVE
REXROTH INDRAMAT MAC115A0FS4C/180-B-1 MOTOR 3000RPM 45NMBRAKE CENTERING DIAMETER180MM
REXROTH INDRAMAT MAC112B-0-LD-4-C/180-A-C/WI-520LV-S005 SERVO MOTOR
REXROTH INDRAMAT MAC-63C-0-HS-4-C/95-A-0/W1518LV/S001 SERVO MOTOR
REXROTH INDRAMAT MAC71B-0-FS-3-C/095-A-0/S018 SERVO MOTOR
REXROTH INDRAMAT MAC-71C-0-US-4-C/95-B-0/WI5-24LV/S001 MOTOR BLOWER
REXROTH INDRAMAT MAC90ARD4C110A0W SERVO MOTOR
REXROTH INDRAMAT MAC90C-0-G-4C/110-A-1/W1520/S01 SERVO MOTOR
REXROTH INDRAMAT MAC90C-0-KD-2-C/110-A-0/S01 MOTOR
REXROTH INDRAMAT MAC90C-0-KD-2-C/110-A-1/S01 MOTOR
REXROTH INDRAMAT MAC92B-0-OD-1-B/95-A-1 SERVO MOTOR
REXROTH INDRAMAT MDD017B-N-030-N26-095GBO SERVO MOTOR
REXROTH INDRAMAT MDD0650N060N2L09 SERVO MOTOR
REXROTH INDRAMAT MDD065AN040N2L09 DRIVE
REXROTH INDRAMAT MDD065BN040N2M09 SERVO MOTOR
REXROTH INDRAMAT MDD065C-N-060-N2L-095GA0 SERVO MOTOR PERMANENT MAGNET 268035
REXROTH INDRAMAT MDD065D-N-040-N2L-095PB0 SERVO MOTOR
REXROTH INDRAMAT MDD065D-N-060-N2L-095PB0 SERVO MOTOR
REXROTH INDRAMAT MDD-071A-N-030-N2L-095PB0 SERVO MOTOR 300V 3000RPM DIGITAL FEEDBACK WO/BRK
REXROTH INDRAMAT MDD-071A-N-030-N2M-095PB0 Item
REXROTH INDRAMAT MDD-071A-N-030-N2T-095PB0 SERVO MOTOR 300V 3000RPM DIGITAL/ABS ENCODER WO/BR
REXROTH INDRAMAT MDD071B-N-030-N2S-095PAO SERVO MOTOR
REXROTH INDRAMAT MDD071BN040N2S09 SERVO MOTOR
REXROTH INDRAMAT MDD-071C-N-030-N2S-095PRO PERMENANT MAGNET MOTOR
REXROTH INDRAMAT MDD071C-N-030-N2T-095-B0 SERVO MOTOR DIGITAL
REXROTH INDRAMAT MDD071C-N-030-N2T-095-PB0 SERVO MOTOR DIGITAL
REXROTH INDRAMAT MDD-0909B-N-030-NC2-110PAO MOTOR
REXROTH INDRAMAT MDD090AN030N2M11 CONTROL
REXROTH INDRAMAT MDD-090B-N-030-N2M-110PB0 SERVO MOTOR 3000RPM DIGITAL/ABS ENCODER WO/BRK
REXROTH INDRAMAT MDD090CN020N2L11 SERVO MOTOR
REXROTH INDRAMAT MDD090C-N-030-N2L-110PAO SERVO MOTOR 92IN-LB
REXROTH INDRAMAT MDD090C-N-030-N2M-110PBO SERVO MOTOR 10.4NM 5,03NM 300RPM
REXROTH INDRAMAT MDD093A-N-030-N2L-110PB1 SERVO MOTOR
REXROTH INDRAMAT MDD093A-N-030-N2M-110PB0 SERVO MOTOR 3000RPM DIGITAL/ABS ENCODER WO/BRK
REXROTH INDRAMAT MDD093B-N-040-N2M-110GB2 SERVO MOTOR AC 4000RPM
REXROTH INDRAMAT MDD093BN060N2M SERVO DRIVE
REXROTH INDRAMAT MDD093C-N-020-N2M-110GA0 SERVO MOTOR AC 2000RPM
REXROTH INDRAMAT MDD093C-N-030-N2M-130GA2 SERVO MOTOR AC 3000RPM
REXROTH INDRAMAT MDD093C-N-040-N2M-110GB0 SERVO MOTOR AC 4000RPM
REXROTH INDRAMAT MDD112BN030N2M18 MOTOR
REXROTH INDRAMAT MDD112B-N-040-N2L-130PA0 SERVO MOTOR
REXROTH INDRAMAT MDD112CN015N2L13 MOTOR
REXROTH INDRAMAT MDD112C-N-020-N2M-130PB0 SERVO MOTOR AC 2000RPM MAX
REXROTH INDRAMAT MDD112C-N-020-N2M-130PB1 SERVO MOTOR AC 2000RPM MAX
REXROTH INDRAMAT MDD112C-N-030-N2L-130PB0 SERVO MOTOR 247IN-LB
REXROTH INDRAMAT MDD112CN30N2M130 MOTOR
REXROTH INDRAMAT MDD112D-N-020-N2L-130GB0 SERVO MOTOR 2000RPM FEEDBACK WO/BRAKE
REXROTH INDRAMAT MDD112DN030N2L13 SERVO MOTOR
REXROTH INDRAMAT MDD112DN030N2M MOTOR
REXROTH INDRAMAT MDD112D-N-030-N2M-130PB0 SERVO MOTOR AC 300RPM MAX W/ABSOLUTE FEEDBACK
REXROTH INDRAMAT MDD115AN020N2L-130-GR1 MOTOR 2000RPM MAX N CLASS DIGITAL 45.0NMBRAKE