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电气原理图设计的基本步骤是:(l)根据确定的拖动方案和控制方式设计系统的原理框图。(2)设计出原理框图中各个部分的具体电路。设计时按主电路、控制电路、辅助电路、联锁与保护、总体检查反复修改与完善的先后顺序进行。(3)绘制总原理图。(4)恰当选用电器元件,并制订元器件明细表。设计过程中,可根据控制电路的简易程度适当地选用上述步骤
执行程序在执行用户程序过程中,PLC按梯形图程序顺序自上而下、从左至右逐个扫描执行,即按助记符指令表的先后顺序执行。但遇到程序跳转指令,则根据跳转条件是否满足来决定程序跳转地址。
变频器中也存在一些数值型(如频率、电压等)指令信号的输入,可分为数字输入和模拟输入两种,数字输入多采用变频器面板上的键盘操作和串行接口来设定。模拟输入则通过接线端子由外部给定,通常是通过0~10V/5V 的电压信号或4~20mA的电流信号输入。由于接口电路因输入信号而异,必须根据变频器的输入阻抗选择PLC的输出模块
对于简单故障可根据程序通过PLC的状态显示信息,监视相关输人、输出及标志位的状态,跟踪程序的运行,而复杂的故障必须使用编程器来跟踪程序的运行。如某水泵不工作,检查发现对应的PLC输出端口为0,于是通过查看程序发现热水泵还受到水温的控制,水温不够PLC就没有输出,把水温升高后故障排除。
SiemensSinumerik810MeasuringCircuit6FX1121-4BA03
2711-B5A10L1
AllenBradley1606-XLP100E1606XLP1606-XLP
DSQC253
ALLEN-BRADLEY1784-T35PLANTFLOORTERMINAL12'COLOR
IC697CPX772RR
TDM1.4-050-300-W1-000
VDI64554
XPEWHT-L1-4B0-Q5xxCREELTD
PLC在输入采样阶段,以扫描方式顺序读入所有输入端的通/断状态或输入数据,并将此状态存入输入状态寄存器,即输入刷新。接着转入程序执行阶段。在程序执行期间,即使输入状态发生变化,输入状态寄存器的内容也不会改变,只有在下一个扫描周期的输入处理阶段才能被读入
可编程序控制器CPU所需的工作电源一般都是5V直流电源,一般的编程接口和通讯模块还需要5.2V和24V直流电源。这些电源都由可编程序控制器本身的电源模块供给,所以在实际应用中要注意电源模块的选择。
漏电保护器的主要部件是个磁环感应器,火线和零线采用并列绕法在磁环上缠绕几圈,在磁环上还有个次级线圈.当同一相的火线和零线在正常工作时,电流产生的磁通正好抵销,在次级线圈不会感应出电压.如果某一线有漏电,或未接零线,在磁环中通过的火线和零线的电流就会不平衡,而产生穿过磁环的磁通,在次级线圈中感应出电压,通过电磁铁使脱扣器动作跳闸.
MAC071C-0-GS-3-C-095-B-0-S001
NACHIUM127
1756-M02AS
140CPU43412A
XMLAWT-0-5B2-T40-0LCREELTD
西门子4EP3700-2US电感
ALLENBRADLEY500-DOD930NSPP500DOD930
MCV40A0150-203-4-0008272697
KCP2
3HAB2136-1/3
3HAC020855-001
6ES7321-1BH02-0AA0
140CHS21000C
140CRA21110C
PM581-ETH
531X211KLDADG1
IC200MDD840LT
AllenBradleyPanelview550Cat#2711-T5A15L1
3503E02PCS
AS-D908-120
AB6604-LDSRRFDataModem
3HNA016394-001BRACKET
TS4884N9072E411多摩川电机
VMICVMIVME6015
Honeywell620-00766200076
1746-NO8I
ALLENBRADLEY2711-KA1PANELVIEWSER.BREV.A*NICE*
IAIRCA-E
3HAC039382-001AmplifiercardKFM4
1336F-B075-AN-EN-LA4
MOD1/0X040-007
KLOCKNERMOELLEREBE-275.2-2
110CPU31103
Allen-Bradley1746-OA16ContrologixSerDNIBSLC500
SQUAREDFJA140201MOLDEDCASE1P20AAMP277V-ACI-LIN
IC647MHWU01
IC693PRG300RR
A20B-2101-0021
TMC2F11200,2A
140EHC10500C
3HAC020813-165
3HAA2495-1
1756-M12
772BSS47400
CIMRF7U20750
TSXDSY64T2K
LIMITSWITCHABALLENBRADLEY802M-NX27A802M-AXF
1029D
1336F-B030-AN-EN
ABB变频器 ACS4010005324.0KW
DSQC6433HAC024488-001
FBM242模块P0916TA1
IC697VDR151
IC697ALG230
51403698-10
BRF01-3107-1001-A
KOLLMORGEN?SERVOSTAR?CR06200
A06B-0743-B200#3000
509DOBAB509DOB
AB1395直流备件:170946M-170945170945REV01
3607E02PCS
MCF40A0220-203-4-0T08274479
MCS41A0040-5A3-4-0008270805
AS-521P-008
CUTLERHAMMER410250T/91000T配件
P0700ATFBM09D/14DTermCable,Direct,(Contact-10mA)
140CPS41400
QTY:2PC
SGMG-13ASR伺服马达
AB1756-EN2T模块
NEWALLENBRADLEY2711P-RN15S2711PRN15SPVPLUSNIB
AllenBradley1784-PKTXD/B1784-PKTXD/BDHPLUSCARD
ALLENBRADLEY2711-B6C10L1USPP2711B6C10L1
AllenBradley2711-B5A2/HPanelView550Monochrome/Tou?ch/Keypad/DH48?5
ABMVI56-MCM1
AB0-58719FIELDSUPPLY
57330001-N
1C31234G01
57520001-GZ
140AVI03000
1746-RL50
GUARDMASTER LTD 440H-R03074 USPP 440HR03074
AllenBradleyPanelView600,2711-K6C15,VeryGoodCondition
安川系统JANCD-SR21-1DF8202904-AI
3HAB7215-1/06
ZX345Q
1756-BATM
DS200DTBCG1A
ABB控制板YPQ-112A
R-IBIL24/230DOR4/W
VDIA-11111CM
ABB板卡型号:SDCS-IOB-22
YT212002-C
ABB3HEA802409-007,12米电缆
3HNA003131-001HOSEhttp://www.zxdadsqc.com/
WM-66D103PAN
1336F-B020-AA-EN
140CPS21400
1336F-C500-AN-EN
140NOE77101
MM-PM10-200
MM-KPSD-000
TRICONEX8310
ABAllenBradleyCarbonCompResistors1W12K(10pc)!
ADVANCEDENERGYPE-2500?3157504-012C
MoogD691Z2052G080XUAAAVVS2N
2706-P72CN1
DSDI110
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7MF9011-4FA
1762IQ16
6SN1118-0NJ01-0AA1价格
2711-K5A1l1
3HAC14000-4
CIMRG7U20450
815EOV16AB815EOV16
140DDO84300
FBM204
NewInBoxALLENBRADLEY1746-IV32SerC1746-1V32
BCLL11
AB0-58718
3HNA004288-001CABLEA2.X42,X41,X40-X130,X120,X110
2098-DSD-005-DN
ASW957-003
3HAC020813-139
140DDI35300
E30004380A
VMIVME6015
104-K05D02
3HAWC116979Repartiteur6sorties
140DVO85300
DSQC322
16133-71?
6ES7322-1BF01-0AA0
3HAB2242-1
FANUCA06B-0522-B251
1492-RXIMTR2024-16R
6ES5521-8MA226ES5521-8MA22
1756L55M24
21860001-10
AS-B882-239
1746-IM16
SHIMADEN岛电单相功率调整器PAC26P415-02100N110020A
TC-PRS021
P0926PAFBM224/FBM230/FBM231RingLugPolyAmideTA
1771-M3
英国MentorII直流触发板MDA75R
PS-3306D-E
ALLEN-BRADLEY41756-BA1配件
西门子6ES7322-1HF01-0AA06ES7322-1HF01-0AA0配包装
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140XTS00200
BPA3000-19UPS电池包
2711-KC1ALLENBRADLEY
109-490-4255A
RexrothMDD112C-N-020-N2L-130PAO
CIMR-HB4A0150
AllenBradley2711-T10C15/C|PanelView1000*2009*
3HAC2424-1
TSXDSY16T3
3HNE08646-1CABLEAC-AM
AllenBradley1769-CRR3RighttoRightExpansionCable
ALLENBRADLEYPV10002711-K10C152711K10C15CONTROLNET2007
1771-SC
IC697VPC463RR
DSQC6043HAC12928-1
ALLEN-BRADLEY100-C09Z*10ContactLotof5ExcCond
ABBACS6010005395新
RITTAL7821.750
FOXBOROFBM39P0902UT
MC07B0003-2B1-4-00
3HAC031535-001HarnessXS1-A41
1336F-A010-AA-EN-L5
TSXDSY16R5
7ME3250-2TC10-0AA0
FX-208Emerson
DSQC227
P0800DBCP10Fieldbus/TermBlockCable
西门子KR-MCK
63696000-27
J1-1R-2Q016S控制板
HCS02.1E-W0054
西门子DCS6DS1223-8AC
ALLENBRADLEYSLC500BASICMODULE1746-BAS/B204A
NEWALLENBRADLEYPV+15002711P-B15C4A22711PB15C4A2NIB
FERRAZSHAWMUTRF600600A250VTIMEDELAYREABLEFUS
NORDACCOMPACTSK1500/3NCSK1500/3NC
ABBIRC5TPU
MSI-MGMT-2-43
6SN1118-0AE11-0AA1
VDIX2805
7RE4122-...00
1756-OB8
AS-B258-000
CIMRG7U22P21
IC693MDL231
GUARDMASTERLTD440K-E33014NSPP440KE33014
1746-OB16
DDS02.2-W200-B
412506889
3HAC022173-006Contactpanel,Wirefeeder
3HAB3001-1/4
6FX1192-8AA00板卡
7ME3950-1LR00
OMRONC500-RT002-EV1NSFPC500RT002EV1
140ACO13000(含端子连接器)1
FBM207B
VDI4671
AllenBradley1336-WB110
GEFanucIC697MDL750-EIC697MDL750EIC697MDL750/E
Allen
MAD100C-0200-SA-S2-FG0-35-N1R911309779
SIEMENS6ES7223-1PH22-0XA0/6ES7223-1PH22-0XA0
ALLENBRADLEY1492-CB2-H150-NUSPP1492CB2H150N
1321-3RA2-B
SIEMENS6ES5103-8MA031
UDX5128
2711P-K10C4B2
140G-M6H4-D63
6FC5357-0BB22-0AE0
6FC5210-0DF02-0AA0
1C31219G01
1336F-A025-AA-EN-L6
XBTL1000
MOD13/1X0154-035
VDIF0615301103
MOD3/0X011-001
DKS01.1W100A-D
3HAC020841-001
1336F-A007-AE-EN-L6
IC695PBM300LT
7ME3950-1LH00
ALLENBRADLEY2711P-T10C15A1NSFP2711PT10C15A1
ABMicro800TrainerMicro830PLCTraining
IC200CBL510
3HNM03363-1ARMUNIT
SUN工控机3
DSQC103
安川伺服器SGDM-30ADA/SGDM-50ADA专业芯片级维修
AS-506P-F16
1746-NI8
7MF9008-1GC
6ES7416-3XL00-0AB0
3HNA010991-001
SCHNEIDER(施耐德)140CPS1240010
CC-PAIM01PMIOLLMux(64pt)Module
IC752WTC403
3HNA006691-001CABLEAX1.XT1-AX3.XT1
IC200ALG320
1747-ACN15
3HNP02421-1BULKHEAD
1753-OW8
AllenBradley440R-M23147SafetyRelayNEW-LWDPRICE!
7ML1830-1LK
2840A21G08QAOQAOG06AnalogOutputcard-(+/-)10VDC0
AS-ME85-000
力士乐BTV04.2GN-FW操作面板
VDI4372
140NOE77101
Allen-Bradley800T-J91BSwitch
1756-OW16I
2711P-B7C4B2
RVC6-5A
VDI99073
140ACI03000
AB1747-SDN
6ES7322-1BH01-0AA0现货
AS-B814-002
MAC093C-0-FS-4-0/110-A-0/D1522LX/50
51108899-100
3HNE02778-1
6ES7151-1AA04-0AB0
TSXCBY380K
IC647HSTESEO300M
【4DP7APXDHIII】Honeywell
MM-PM22-400
Several
1336F-B075-AN-EN-L6
HoneywellTC-ODJ161
3HAC020447-001
IC693PWR321CA
XPEWHT-01-4D0-Q5CREELTD
1FK6080-6AF71-1AA0
3HAC020847-001
AB2094-BM01-SNSFP2094BM01S
1771-WF
2711P-K10C15A2
140CPU65150
6ES5951-7ND41
P0902ZHFieldConversionKitForFE-8OrIE-16SideDoors
ABPLC31775-ACReplacementChassisw/cable
ENRZ-AU40-20
1746-P1
505-4532
SIEMENS M74005-H8810W1 USPP M74005H8810W1
7KE3113-0BC11-3NF1
Fireye45UV5-1006
ALLENBRADLEY592-EC1DCUSPP592EC1DC
Excellent!ABAllenBradleyPanelView6002711-B6C10/B
140XBP01000
140CRA93100
1336-MOD-KB010=现货
DSQC236P
YB560107-BGKEYPROGRAM
MCF40A0300-503-4-0T08274355
TSX08CD12R8A
AllenBradley1746-P2/C|PowerSupply*LNC*
UNYSPUEZTCD22
VDIF0625301102
EL100A2.1
DNFT-LED
西门子PLC6ES7414-2XG03-0AB0
A06B-6047-H201
FOXBOROFBM214CP0914WM10
MM22C-503-00
AB1756-A10机架
ABB55HT4配件
140XBP01000
6FC5357-0BA11-0AE0
140CPS52400
3HNM09681-1APPLICATOR-GUN
VDIA-51200V
1336F-AJA4C
MOD17/1X049-193
140CPU67160
AllenBradleyAB1770-CFModulePowerCable
A06B-0847-B200
600610S61000-SE
1FK7063-5AF71-1AG0
ALLEN-BRADLEY2711E-T14CBPANELVIEW1400E
990XCP98000
2711P-B12C6D2
IC647LWNC
7ME3950-1LC20
JAMSC-B2605
AllenBradley1771-OA
PM9001
AH385851U003电源板
1746-OA8
ABBDSCA114/57510001-AA/DSCA-114
A06B-0113-B175
100-0185
专业销售SGDS-04A01A安川伺服驱动器,
JZNC-XRK01D-1
UsedAllenBradley2711-K5A2/HPanelView5502711-K5A22711K5A2H2711-K5A2H
A20B-1004-0540
TSXCSY84
TSXDMPBY100E
施耐德TWDDRA16RT
140DAI55300
MAC071C-0-US-3-C/095-A-0/S001
0-51378-25
6ES5400-7AA13
1785-L40B
日本SGMGH-55ACA6C安川伺服电机
7MV1211-1B
BOSCHServodynAchsmodulSM35/70-T1070077369-106
1771-ID01
GP2500-TC41-24V
3HAC020813-060
1769-IF8
TSXP574823M
AllenBradleyPanelView300,2711-M3A18L1,VeryGoodCondition!
TRICONEX3511?
800HQRBH10AAB800HQRBH10A
1394-AM07/B
A20B-1006-0110/03A
SiemensSimaticS7IBSS7400ETHDSC/I-T,2731102
XREWHTL10000004E8CRE
ALLENBRADLEY800MR-FX6BNSPP800MRFX6B
3HNA006566-001
B&R5C2001.22+5D2510.10
3BSE000435R1
ALLENBRADLEYSLC500MOTIONCONTROLLER1746-HS/A204C
JACP-921900模块
3HAB8440-1Cableunitaxis1-3
西门子6ES7810-3BC02-0YX0
Q0300EWINT15SWPkgV4.xWoodward501And5001
YamatakeHoneywell82114927-501
GESB365RGR
140XBP01600
TTR-5302-238-B-12-G
AB802F-E68M10-D5NSFP802FE68M10D5
1492-EBJ3TM
IC647IF58STRN00075M
ALLENBRADLEY2711-K6C1-NEW-2711K6C1
欧姆龙PLCCQM1-OC222
OMRONE2EG-X2B1NSFPE2EGX2B1
3HNA003219-001MO_EQRAILTS35X15
1756-DPALEN
1485PS-P8R5-C2
VDIF141160
K0175RFSPECTRUMSlaveGatewaySWPkg(V4.3)
TTE-5302-314-A-08
3BSE013250R1
0010-03254
Feb-00
IC200MDL643
AllenBradley1336-SN-SP6A74103-216-51
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3HAC036502-005Tilt(WhiteRAL9003)
BALZERSPKD40703
西门子SCD1597-ET6AV8100-1BB00-0AA0
7MC3051-1CB36
3HNA008123-001ENDSTOPS3
SQUAREDSY/MAX8030ROM271
SGM-02GNK23安川电机
MVME162-210
欧姆龙的CPU模块CS1D-CPU67H-XE-IAP
K0200JMHistorian200SWLicFor51Series(Solaris)
TWDXSM14
140CRA93100
1756-CP3
3GQA091501-ASA
AB1756-PA721
6ES7292-1AD20-0AA0
AllenBradleyPanelview1200Monitor,#2711-TC1X,SeriesB,WARRANTY
BENTLYNEVADA本特利3500/20
FANUC发那科A87L-0001-0015MEMORYBOARDBUBBLEBMU
3503E
140CPU67160
3HAC031135-001Cableguide
ELAUSM070-60-010-P0-45-M1-B0
J0200NXCP602500valuePointNonFTSWLic
A06B-0126-B577#7008
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