6EV3050-0BC
ABSize3FullContactormotorStarter3pole500-DOD930
IC756WDV009K-23
110-144
SGMSH-20ACA-FJ12安川馬達(dá)
Simatic6ES5436-4UA12
57C435
ALLENBRADLEYPLC1746-OB6EI.NIB
140CFB03200
WSL2010R3000FTBVISHAY
DSAI133
SELECTRONPLC032
HONEYWELLDCS51304477-100/MU-TAMR02/LLMUXRTD
PC-0085-001
140DDI35310
MAD130B-0150-SA-S2-AH0-05-N1R911310686
P0917GZFBM240
6ES5944-7UB21
Q0300NCDI154.2PDP11/44
170MCI04110
P0926GSFCM100Et
IC200NDR001
1492-CONACAB015N8
ACS504-17-3驅(qū)動(dòng)板
AB1756-N2配件
編號(hào)Cat.debionPartNO.
p0922VU
140CFK00400
6ES5941-7UB11
GeFanucIC660EBD025U
140CPU65160
3BSE022366R1
AllenBradley2711P-RP/A2711PRP
DDR2-1A1
AllenBradleyFiberOpticBoard80190-100-01-R
WESTINGHOUSE2840A19G07
MVI94-GSC
BoschRexrothHydraulicPowerSteeringGearPumpforTractor0510315304
1747-BA
250309CFZZ8DCAMMETER7003C
1C31129G03
1746-A7
IC693CPU374
IC647PRTEE025M
TRICONEX3805E
PC-00901
INDRAMATCTA04.1B
PA-0612-000
*NEW*(2)RexrothSize55623mmLinearLMBearingRails(Heavy-Duty)-THKCNCIKO
6FC5357-0BB33-0AE2
P0970BC-DNBT
NEWALLENBRADLEYPV6002711-B6C32711B6C3NIB
3HNP01886-1PUSH-INCONNECTOR
TRICONEX4351B
990NAD21130
小金井品牌的氣缸BDA10*5
3HAB6139-1
140DAI35300
7KE6000-8BB
FUJIEG32F10302P10AAMPCIRCUITBREAKERD395905
1336F-C050-AF-IT
7KE9000-1AC10-0BA0
YASKAWAJAMSC-B1059B
SIEMENS6ES7307-1KA00-0AA0電源
P0912ZV
西門子板卡型號(hào):6FX1126-1AA03
RELIANCEELECTRIC57406-H/D-2714
1336F-B250-AN-EN-L6
Reliance0-48673-1?
MPUPCB
6FC5357-0BY21-1AE1
MAC041-04661
7ML1998-5BK61
KSD1-08
XTEAWT-0-5A2-R30-FB/xCREELTD
Allen-Bradley
3A58939G15KeyboardSUNType6KeyboardandMouse5
AllenBradley2711-T10C20PanelView1000TestedNice
MKS370HS-11
HE693PBS106
ABBGM5251
MDS60A0030-5A3-4-0T08273529
6FC5357-0BB33-0AE0
YB560103-CA8
A20B-8002-0020
557VCM76110
IC693MDL731RR
PC-A984-130
美國太平洋PacificScientific伺服控制器型號(hào):6430-001-N-N
SIEMENS6ES5955-3LF421
在電機(jī)功率很小時(shí),有時(shí)候電機(jī)的空載電流將超過電機(jī)額定電流的50%,而對(duì)于大功率的電機(jī),其空載電流還可能不到電機(jī)額定電流的20%,同步電機(jī)更低。同時(shí)電機(jī)極對(duì)數(shù)越多空載電流越大。
變頻器工作原理就是這樣,但它到底怎么實(shí)現(xiàn)的呢?主要是由其三個(gè)組成部分完成的。
ALLENBRADLEY2711-NM21616MBMEMORYCARDPANELVIEWNEW
BBCGTR210
3HAC17281-1
JX-300XDCSSP313電流信號(hào)輸入卡
140M-F8N-C45
NI-1PCI-MIO-16E-1
7KE3113-0CC21-1CA1
AllenBradley2711-K5A8/FPanelView550Monochrome/Key?pad/DH+/RS-232Printer
1771-A4B
MDD112B-N-040
RELIANCEELECTRIC804112-R/57C413B
7ME3951-0LG00
GE6KAF343020E$A1變頻器
NEWALLENBRADLEYPV6002711-T6C5L12711T6C5L1NIB
DS85GJR5219300
1394-DCLM
力士樂TBM1.1-20-W1/220
新華DCS模塊P-33303
MM-PMC240-SC
KollmorgenBDS4A-240J-0001
ALLENBRADLEY40888-313-53SMCPLUSMOTORCONTROLLERMODULE
6ES7398-0AA00-0BA0
6ES5451-7LA11
SIEMENS 6ES1-210-0C NSFP 6ES12100C
ABBDSAI-130模擬量線路板1塊
1492-SPM1B005
西門子浪涌抑制器:6SE7032-2FC85-0JA0/C98043-A1696-L1
SMP-E230-A10
FM161-48和利時(shí)
AS-B804-108
IC200TBX540
歐姆龍PLCC200H-SP001
GJR5251300R1101
OMRONE2E-L-X5F1-M1NSPPE2ELX5F1M1
170EDO34600
YASKAWA安川JACP-3178016
3HAC020813-147
42SRU6002AB42SRU6002
三菱PLCFX2N-128MR-001
MVI71-DFNT
SIEMENS西門子6FC5210-0DA20-2AA11
2711P-T6M1D
ALLENBRADLEY1336-BDB-SP33D*NEW*
110XCP98000
1756-IF8
IC697MEM719
6ES5440-8MA11
1785-L80C15
1746-P4
FAUNC發(fā)那科A20B-1000-0470/04A
IC693BEm331
SST-PB3-CLX-RLL0
P0971WV-DNBT
3HAC020806-001
3BHB006943R0001
1756-L63
IC697MEM715RR
1756-OX8I
AB1747-ACNR15
HONEYWELL51304516-200
設(shè)計(jì)與施工:使用繼電控制邏輯完成一項(xiàng)控制工程,其設(shè)計(jì)、施工、調(diào)試必須依次進(jìn)行,周期長,而且修改困難。工程越大,這一點(diǎn)就越突出。而用PLC完成一項(xiàng)控制工程,在系統(tǒng)設(shè)計(jì)完成以后,現(xiàn)場(chǎng)施工和控制邏輯的設(shè)計(jì)(包括梯形圖和程序設(shè)計(jì))可以同時(shí)進(jìn)行,周期短,且調(diào)試和修改都很方便。
導(dǎo)致變頻器充電電阻損壞原因一般是:如主回路接觸器吸合不好時(shí),造成通流時(shí)間過長而燒壞;或充電電流太大而燒壞電阻;或由于重載啟動(dòng)時(shí),主回路通電和RUN信號(hào)同時(shí)接通,使充電電阻既要通過充電電流,同時(shí)又要通過負(fù)載逆變電流,故易被燒壞。其損壞的特征,一般表現(xiàn)為燒毀、外殼變黑、炸裂等損壞痕跡。也可根據(jù)萬用表測(cè)量其電阻(不同容量的機(jī)器,其阻值不同,可參考同一種機(jī)型的阻值大小確定)判斷。
1489-D1C160
TSXDMFPV16V5M
1756L55M12
140G-K-EOPB
3625
TSXCCPS15050
30731820-001
A06B-0373-B675#7008
AS-B826-116
6ES5931-8MS11
3HAC020817-001
TSXP57304M
EmersonPLCEC20-0808ERN
AS-B882-239
西門子plc6ES7214-1BD23-0XB0