JAMSC-B2602AV

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描述

JAMSC-B2602AV

失電壓與欠電壓保護(hù)
? ? 如果由于某種原因，電網(wǎng)電壓突然消失，正在運(yùn)行的電動(dòng)機(jī)就要停止運(yùn)行。那么，在電源電壓又重新恢復(fù)時(shí)，電動(dòng)機(jī)又會(huì)自行起動(dòng)。這種情況很容易造成生產(chǎn)設(shè)備的損壞，甚至造成人身事故。因此，必須加設(shè)保護(hù)措施，即當(dāng)電網(wǎng)電壓消失（如停電）后而又重新恢復(fù)時(shí)，要求電動(dòng)機(jī)及其拖動(dòng)的運(yùn)動(dòng)機(jī)構(gòu)不能自行起動(dòng)，以確保操作人員和設(shè)備的安全，這種保護(hù)稱為失壓保護(hù)。例如，許多機(jī)床都是用按鈕操作起動(dòng)的，利用按鈕的自動(dòng)恢復(fù)和接觸器的自鎖作用可起到失壓保護(hù)作用。
? ? 還有一些機(jī)床是用控制開關(guān)操作的，均有自鎖環(huán)節(jié)。自鎖環(huán)節(jié)的電路本身已具備了失壓保護(hù)作用。
? ? 當(dāng)電機(jī)正常運(yùn)行時(shí)，由于電壓過分降低，將引起一些電器釋放，造成控制線路工作失調(diào)，可能產(chǎn)生事故。因此必須在電源電壓降到一定允許值以下時(shí)切斷電源，這就是欠壓保護(hù)。一般常用電磁式電壓繼電器實(shí)現(xiàn)欠壓保護(hù)。當(dāng)電源電壓過低或消失時(shí)，電壓繼電器就釋放，從而切斷控制回路，電壓再恢復(fù)時(shí)，也能起到失壓保護(hù)作用?？傊妷豪^電器可以確保在預(yù)定電平上起到保護(hù)作用。

產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢(shì)價(jià)格，大量現(xiàn)貨。

主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌：ABB???,AB??,GE,FOXBORO,本特利，英維思，伍德沃德，西屋，瑞恩，施耐德，西門子，摩托羅拉，安川。力士樂。ACSO，橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫存商家

ALLEN BRADLEY 1745-C3 NSPP 1745C3

Allen Bradley 1745-M1 EEPROM Memory Module NEW

Allen Bradley 1745-E105 Controller SLC 100 Relay unit
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Allen Bradley 1745-E105 Controller SLC 100 Relay Expan
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ALLEN BRADLEY 1745-E101/B SLC 100 EXP. UNIT 1745E101B
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Nice Allen Bradley 1745-E156 SLC 150 Expansion Unit

Allen Bradley Expansion Unit SLC 150 1745-E157 A

1745-M1 Allen Bradley PLC SLC EEPROM Memory Mod 1745M1
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Allen Bradley SLC100 PLC SLC100 1745-E101

ALLEN BRADLEY 1745-E151 SER. B

ALLEN BRADLEY SLC 100 1745-LP101 CPU

1745-PCC Allen Bradley SLC 150 1745-PCC N818
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Allen Bradley 1745-B1 Battery Assembly Series A NEW
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Allen Bradley Analog Input Exp. Unit 1745-E106/A USED!

ALLEN BRADLEY SLC 100 1745-LP101 SER. A PROCESSOR UNIT
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Allen Bradley SLC500 DC Sink Input Card 1745-IB16

ALLEN BRADLEY 1745-LP103 SER D FRN 5

Allen-Bradley 1745-E155 high speed input module
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ALLEN BRADLEY 1745-E106 SLC ANALOG INPUT EXPANSION UNIT

ALLEN BRADLEY SLC100 EXPANSION UNIT 1745-E102 SER C

Allen Bradley Programmable Controller 1745-E103 #2945

Allen-Bradley 1745-PT1 1754PT1 ser A frn 2 GOOD!

Allen Bradley Programmable Controller 1745-E103

Used Allen Bradley, 1745-E153 SLC150 Expansion Unit
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Allen Bradley SLC-150, Cat # 1745-E153, Ser.A =

ALLEN BRADLEY 1745-E101/B SLC 100 EXPANSION MODULE*RFB*

ALLEN BRADLEY 1745-C1 NSFP 1745C1

Allen-Bradley 1745-R2 1745R2 ser A board New in BoX!

Allen Bradley SLC 150 Expansion Unit # 1745-E156
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ALLEN-BRADLEY SLC150 1745-LP153 PLC With 1745-M1 B

ALLEN BRADLEY 1745-E156 SLC 150 EXPANSION UNIT

ALLEN BRADLEY SLC-100 1745-LP101 (4 AVAILABLE)

ALLEN BRADLEY 1745-C1 NSPP 1745C1

ALLEN BRADLEY 1745-LP101 PROGRAMABLE CONTROLLER

Allen Bradley 1745-PCC Interface Converter

ALLEN BRADLEY SLC100 PROCESSOR UNIT 1745-LP101 SER.D

Allen Bradley 1745-E156 SLC 150 Expansion Unit

Allen Bradley Memory Module 1745-M1 #21216

ALLEN BRADLEY # 1745-LP101 SLC 100 PROCESSOR UNIT

Allen Bradley SLC100 1745-LP101 Ser C Frn 5 Processor

1745-E153/A Allen Bradley SLC 150 1745E153 N828
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1745-E151/A Allen Bradley SLC 150 1745E151 N833
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Allen Bradley 1745-E101 Expansion Unit

Allen Bradley 1745-M1/1745M1 Ser B Memory
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ALLEN BRADLEY 1745-E101 PROGRAMMABLE CONTROLLER
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Allen Bradley 1745-E101 1745E101 SLC 100 Expansion Unit

1745-E151/A ALLEN BRADLEY SLC-150 EXPANSION UNIT

ALLEN BRADLEY 1745-LP101 PROGRAMABLE CONTROLLER

ALLEN BRADLEY 1745-C1 USPP 1745C1

Allen-Bradley SLC 100 PLC cat 1745-E101

NEW Allen Bradley SLC PLC Programmer Cable 1745-C1 B

1745-E101 Allen Bradley SLC 100 Expansion Unit 1745E101

ALLEN BRADLEY 1745-800 USPP 1745800

ALLEN BRADLEY 1745-850 USPP 1745850

Allen Bradley 1745-PCP Remote Comms. Power Supply

ALLEN BRADLEY PROCESSER UNIT, PART.# 1745-E101, SER. A

ALLEN BRADLEY PROCESSER UNIT 1745-E101 SER A

ALLEN-BRADLEY SLC150 1745-LP153 PLC SERIES C

1 NIB ALLEN BRADLEY 1745-C1 1745C1 INTERCONNECT CABLE

ALLEN BRADLEY 1745-R2 PROGRAMMABLE CONTROLLER
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Allen Bradley SLC 100 Relay Output Exp. Unit 1745-E105
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ALLEN BRADLEY 1745-LP101 SLC100 Processor unit SERIES D

ALLEN BRADLEY SLC150 1745-E156 SER.A EXPANSION NICE MO

Allen Bradley SLC 100 Processor #1745-E101, #6827

1745-E155 Allen Bradley SLC 150 1745E155 F275
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Allen Bradley SLC 100 Processor Unit 1745-LP101 PLC

ALLEN BRADLEY SLC 100 EXPANSION UNIT 1745-E101 SERIES A

Allen Bradley Expansion Unit SLC 100 1745-E101 Ser A

ALLEN BRADLEY (1745-E101) SLC100 EXPANSION UNIT NICE !!

ALLEN BRADLEY 1745-E151 EXPANSION UNIT GOOD TAKEOUT

ALLEN BRADLEY SLC 150 EXPANSION UNIT 1745-E151
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Allen Bradley SLC100 1745-E105 Series B Expansion Unit

Allen Bradley SLC100 1745-E105 Ser.C Expansion Unit

ALLEN BRADLEY 1745-C2 NSFP 1745C2

New Allen-Bradley 1745-R1 Replacement Relay Board

New in Box 1745-M1 Allen Bradley SLC 150 1745-M1 N812
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ALLEN BRADLEY SLC 100 PLC, CAT. 1745-LP101,USED

NEW -Allen Bradley 1745-C2 SLC-100 Expansion Cable- NEW

ALLEN BRADLEY 1745-R1 PROGRAMMABLE CONTROLLER
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ALLEN-BRADLEY SLC 100 PROGRAMMABLE CONTROLLER 1745-E105

Allen-Bradley 1745-PCC & Cable (for SLC100 SLC150)
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Allen-Bradley Interconnect Cable SLC 150 1745-C2 ! NEW

Allen Bradley PLC SLC-100/150 USB 1745-PCC
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ALLEN BRADLEY 1745-E151 1745E151 SLC 150 EXPANSION UNIT
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ALLEN BRADLEY 1745-E151/A SLC 150 EXPANSION MODULE*NNB*

ALLEN-BRADLEY 1745-M1 EEPROM Memory Module ! WOW !

Allen Bradley SLC 100 1745 E105 Programmable Controller

Allen Bradley SLC 100 Expansion Unit 1745E101 1745-E101

Allen Bradley SLC 100 I/O Expansion Unit 1745-E101

ALLEN BRADLEY SLC 150 1745 E151 EXPANSION UNIT PLC

Allen-Bradley Eeprom Memory Module 1745-M1 Series B
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Allen Bradley AB 1745 PCP 1745PCP Ser. B Power Supply

ALLEN BRADLEY 1745-C2 NSPP 1745C2

New Allen Bradley Battery Assembly, 1745-B1
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Allen Bradley 1745-M1 rev B Mem Module

Allen Bradley 1745-E101/1745E?101
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Allen Bradley PLC 1745 SLC Controllers Users Manual
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Allen Bradley SLC100 Expansion Unit 1745-E101 Ser A

ALLEN-BRADLEY, SLC 150 PLC, EXPANSION UNIT, 1745-E153

ALLEN-BRADLEY, SLC 100 PLC, PLC, EXPANSION #1745-LP101

Allen Bradley PLC SLC-100/150 1745-PCC cable (12ft)
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ALLEN BRADLEY 1745-C1 SER. B CABLE NEW 1745C1

Allen Bradley SLC 150 Programmable Controller 1745LP151

ALLEN BRADLEY 1745-N2 NSPP 1745N2

Allen Bradley PLC SLC-100/150 1745-PCC cable (7ft)

ALLEN BRADLEY 1745-C1 PROCESSOR/PROGR?AMMER CABLE 1745C1

ALLEN BRADLEY (1745-E101) SLC100 EXPANSION UNIT

ALLEN BRADLEY 1745-B1 NEW IN THE FACTORY BOX

ALLEN BRADLEY 1745-E105

ALLEN BRADLEY 1745C1 PROGRAMMER INTERCONNECT CABLE

Allen Bradley Bulletin 1745 SLC Controller User Manual!

Allen Bradley User’s Manual 1745 SLC Book Guide 1745800

Allen Bradley Relay Expansion Unit SLC 100 1745-E105 B

Allen-Bradley Interconnect Cable SLC 150 1745-C3 A !NEW

Allen-Bradley 1745-C2 New in BOX 1745C2 ser B

Allen-Bradley SLC100 1745-LP101 PLC SERIES D Processor

ALLEN BRADLEY 1745-C2 USPP 1745C2

ALLEN BRADLEY SLC 150 EXPANISION UNIT 1745-E151 SER B

Allen Bradley SLC Expansion Unit 100 1745-E101 E1O1

ALLEN BRADLEY 1745-E101 SLC 100 Expansion Unit

1 NIB ALLEN BRADLEY 1745-B1 1745B1 BATTERY ASSEMBLY

Allen Bradley (2) New Ribbon Cables 1745-C3

Allen Bradley SLC 100 Expansion Unit, 1745-E105, Ser C

Allen Bradley SLC 100 Expansion Unit, 1745-E105, Ser B

Allen Bradley SLC 100 Programmable Controller 1745-E103

Two AB Allen Bradley SCL 150 Expansion Unit 1745E153/A

Allen Bradley 1745-C2 SER B

Allen Bradley Cable 1745-C3

Allen Bradley SLC 100 Processor Unit 1745-LP101 control

ALLEN BRADLEY 1745-C1 1745C1 NEW NIB

AB Allen Bradley SLC 100 Expansiion Unit 1745-E103/A

ALLEN BRADLEY A-B 1745-C3 CABLE 1745C3

Allen Bradley SLC 100 Expansion Unit, 1745-LP101, Ser B

Allen Bradley SLC 100 Expansion Unit, 1745-LP101, Ser C

Allen Bradley SLC 150 Expansion Unit 1745-E153 A SLC150

Allen Bradley SLC 100 Expansion Unit, 1745-E101, Ser A

ALLEN BRADLEY 1745-M1 EEPROM MEMORY MODULE

ALLEN-BRADLEY SLC 150 1745-E151 EXPANSION UNIT SER B

ALLEN-BRADLEY SLC 150 1745-E151 EXPANSION UNIT SER B

專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊

PLC模塊，可編程控制器，CPU模塊，IO模塊，AI模塊，通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫存商家


選擇深圳長(zhǎng)欣，選擇放心，售后無憂大量現(xiàn)貨，當(dāng)天順豐發(fā)貨！
主營(yíng)：本特利，英維思，伍德沃德，?？怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂，ACSO，力士樂等各大品牌的DCS系統(tǒng)配件，機(jī)器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

先介紹幾點(diǎn)經(jīng)驗(yàn)。
1、先通讀一遍“系統(tǒng)手冊(cè)”（不管能不能看懂，先了解個(gè)大概，以便學(xué)習(xí)編程時(shí)查找）；
2、由位控邏輯入手，逐漸增加定時(shí)、計(jì)數(shù)等條件，把或、與、非關(guān)系理順；
3、進(jìn)而練習(xí)整數(shù)運(yùn)算、實(shí)數(shù)運(yùn)算、類型轉(zhuǎn)換；
4、量程轉(zhuǎn)換、PID調(diào)節(jié)回路的建立及P、I、D參數(shù)的理解（最好是有個(gè)物理回路驗(yàn)證，比如變頻器+電機(jī)+測(cè)速傳感器）；
5、循環(huán)、順序、跳轉(zhuǎn)等程序控制（盡量避免跳轉(zhuǎn)，非跳不可時(shí)也是跳的越近越好）；
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機(jī)器人配件DSQC系列和Motorola MVME系列，GE 卡件 模塊 驅(qū)動(dòng)器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌，由于PLC的基本框架大同小異，學(xué)會(huì)一種至于其它的學(xué)習(xí)起來也就簡(jiǎn)單了。

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