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SGME-02BF12現(xiàn)貨
6ES7421-7BH01-0AB0西門子
6FC5357-0BB11-0AE0
上海PLC控制器1756-ENBT/APLC控制器
A06B-0856-B192
DCP2165GK09E003?00
3HAC14178-1
ABBDO6303BHT300007R1
Honeywell621-1180RC
近幾年來，可編程序控制器(PLC)以其可靠性高、適應(yīng)性強(qiáng)、靈活性好、編程簡單、容易掌握等特性，在各個領(lǐng)域發(fā)揮越來越重要的作用。在PLC控制系統(tǒng)中，PLC作為主要控制設(shè)備，必然與控制對象中各種輸入信號(如按鈕、限位開關(guān)、拔動開關(guān)、繼電器的觸點(diǎn)及其它檢測信號等)和輸出設(shè)備(如繼電器線圈、接觸器線圈、電磁閥等執(zhí)行元件)相關(guān)聯(lián)。在實(shí)際工作中，由于受PLC應(yīng)用系統(tǒng)規(guī)模的限制，PLC輸入/輸出點(diǎn)數(shù)往往不夠用。為此若采用擴(kuò)展輸入/輸出單元或更換點(diǎn)數(shù)更多的PLC來解決有時又不合算，為了降低系統(tǒng)硬件的成本，常常采用各種技巧減少系統(tǒng)占用的輸入/輸出點(diǎn)數(shù)，相當(dāng)于擴(kuò)展了PLC的I/O點(diǎn)數(shù)。本文從硬件、軟件兩個方面介紹在不增加硬件情況下"擴(kuò)展"PLC I/O點(diǎn)數(shù)的幾種方法。
編程器是 PLC 很重要的外部設(shè)備，它主要由鍵盤、顯示器組成。編程器分簡易型和智能型兩類。小型 PLC 常用簡易編程器，大、中型 PLC 多用智能編程器。編程器的作用是編制用戶程序并送入 PLC 程序存儲器。
PLC的定義有許多種。國際電工委員會（IEC）對PLC的定義是：可編程控制器是一種數(shù)字運(yùn)算操作的電子系統(tǒng)，專為在工業(yè)環(huán)境下應(yīng)用而設(shè)計(jì)。它采用可編程序的存貯器，用來在其內(nèi)部存貯執(zhí)行邏輯運(yùn)算、順序控制、定時、計(jì)數(shù)和算術(shù)運(yùn)算等操作的指令，并通過數(shù)字的、模擬的輸入和輸出，控制各種類型的機(jī)械或生產(chǎn)過程?？删幊绦蚩刂破骷捌溆嘘P(guān)設(shè)備，都應(yīng)按易于與工業(yè)控制系統(tǒng)形成一個整體，易于擴(kuò)充其功能的原則設(shè)計(jì)。
6ES7414-3XJ00-0AB0
PM825
IC647ROC050C
YYT102C
7KE3188-0AC23-6KB1
140DDO35300
MCV40A0022-2A3-4-0008269238
IC693MSC301RR
SGMP-01A316
ATLASCOPCOQMS340254240-0312-81
A06B-0127-B177#7000
SCHNEIDER（施耐德）C65NC253
HNL01.1E-0362-N0080-A-500-NNNNR911307204
3HNA017259-001CABLEVC3.X21-22-AD2-3.X1
60DAY
3HAC020813-139
1756-IB32
UNYSPULFUCD22
3HAC020813-014
1756-OA16I供應(yīng)商
110XTS00120
1756-PA75
TM-P15S23-A0分銷商
CPCI-3840
REXROTHINDRAMATINPUTMODULERMI-01USEDRMI01
VDI4513
6ES5375-8LC21
6ES5247-4UA11
802AB14P4S10AB802AB14P4S10
AEG108236046
7ND4801-7CJ
S82K-0502450W
C200H-TS101
XBTE014010
IC647AHC750KM
20BD011A3AYNAND1
X20AT2402貝加萊
3HAC040381-001Adapter
YASKAWAJANCD-MSP02*NEW*
MX200
HLDB3600FT33W
TSXDEY32D3K
TSXAEY810
CPM1A-30CDR-A-V1【價格】
TLXRCDPL7JP45M
RELIANCE803.32.00COMPONENTCARDCCBBOARD
ALLENBRADLEY20AD3P4A0AYNANN?NNSPP20AD3P4A0AYNANN?N
TRICONEX4210
FOXBORODCSFBM14CM400YQ
1747-M2
3HAC020855-001
3HAC039937-002Pressingsleeve
K0200WDIFDCV2.3WindowsMediaKit
6ES7461-0AA00-7AA0
3HAC031521-001HarnessG1.X2-G2.X1
170XTS00900
1746-RL47
1394-SR9A
3HAC16627-3
3HAC039379-001Solenoidvalve
1336F-BP300-AN-DE-CM
SentryCommanderPT45-H404-1-07
3HAC030867-001
1756-N2
140CPU53414U
MDD083A1V【廠家】
NW-BM85-000
TOKYOELCTRONCT2980-091285-12
2711-T10C15AllenBradleyPanelView2711T10C15N260
P0999JSAW51HostingV4.xToV6.XLic(Adv)
1492-GS1G200
100S-C09EJ05BC
140CPU67160
ALLENBRADLEY1771-0A
140NOE77100
1756-OF8
39915910
FBM203
505-6108B
1756-L63
1785-L60L
1336F-B020-AJ-EN-L6
DELTA控制器型號:ACC-24E2A
Pass&SeymourPS530P9-W1
西門子6SN1118-0AA11-0AA1
施耐德PLCTSX08RCOM
ISSC1262-PC1262-PC控制器
A06B-0115-B103
P0900MVWorkSurface
1485G-P0X5J5-FN5
單晶爐電氣控制系統(tǒng)模塊HX-REL701
7MC3061-2AB50
6ES7357-4AH03-3AE0
IC200UAA003
499NSS25102
AllenBradleyPanelView1000e,2711E-T10C6,VeryGoodCondition
ALU202
140U-I-FCS10
IC646MQPU01
1771-OFE3
7MB1943-6EB10
1756-IB32
美國ABAllen-Bradley68.001746-A13/B機(jī)架
Sun3701704
7MF4997-2HG
2711P-RP1A
1761-CBL-AS09
AllenBradley2711-KC1IndustrialInterfacePanel!WOW
DSQC249B
引風(fēng)機(jī)入口活節(jié)U280W10
MoogD634-341C
1X00024H01
ALLEN-BRADLEY41756-BA1配件
51309288-275TK-PRR021
TSXSCPCU4030
ALLENBRADLEYPanelView1000CAT:2711-T10C15SER:B
3HNA008689-001ENDSTOPFORIRB5500
140CRA93101
6ES5482-8MA13
FOXBOROCP30
AB1762L24BXBPLC
AB160S-AA04NSF1P1
IC200DEM064
3HAC032696-001ControlcablepowerL=15m
ENIDCG-200ZDC22M-Z041300111A
1336F-A010-AN-EN-L6
MODICONPC-E984-685
3HAWC116827Guideway_INA_2100mm
1C31129G03
140DDI84100
1771-H1DOC
VDIF082022
2098-DSD-HV030-DN
FISHERBRANDBLK.MOLDEDCLOSURE14-959-36A
RDCU-02C
140DDI35300
7ME3950-1SU20
E82EV551-2C200
18745-01前置放大器
HoneywellTC-CCR013
3HNP01348-1SCREWISO7379
VDI7789
SGM-01A312C伺服電機(jī)
3HNM01740-1
ABB07DC920
3706
140U-KTD3-D30
ABALLENBRADLEYPANELVIEW1200TERMINALCAT#2711-TC1,SER.F-USED
GEFANUCIC660BBD024/IC660EBD024/IC660TBD024
IC697MDL671
RP1613
VDIF0625252301
MM-PM21-200
1394-CCFK
SIEGER05701-A-05021
IC600BF842RR
64-42-0303-03B9902AP
1336F-C200-AA-IT
Lexium17SHP伺服驅(qū)動MHDS1112N00
P0914ZX
YB560103-ALAnalogueI/Oboard
AllenBradleyControlRelay700-CF220ser.A
Allen-Bradley2711-T9A5
P0940JJGEIC670CHS002,I/OBASE,BOXSTYLE
Allen-Bradley-TimerRelay,24-240VAC,24-28VDC
B&R5C2001.22+5D2510.10
1747-SDN
CAT-1201-HA2變頻器面板
MODICONAS-J890-001NSFPASJ890001RIO處理器模塊
6DD1683-0CC0
A20B-2002-0520
EA32AC220V
6ES5482-8MA13
IC200ACC402
TSXCSY164
7MH7725-1DB
A20B-0007-0061
IC660BBA100
92-01439-00
SX08CD08F6D施耐德T供應(yīng)商
REXROTHMHD112D-027-PG0-BN
140CFC03200
ALLENBRADLEY1785-L20BENHANCEDPLC-5CONTROLLER
1746-IV16
10XABAllenBradleyCarbonCompResistors2W150K!
1756-ENBT
IC697VAL318
UAASKA-06WHS11
1756-M24
YASKAWA安川JAMSI-B10311
P0400YGFBM06
CS3107KT92
26390582-AYDSTK126
VDIF241150
MDV60A0030-5A3-4-000826483X
M.SYSTEM模塊R3-PS3-L
140DAO85300
西門子PLC6ES7223-1BH22-0XA0
REXROTH291077?
UAASKA-08EMK21 AC
MDF60A0055-2A3-4-0T08273677
Bendix3730409?????
OMRON歐姆龍開關(guān)電源S8VS-06024
AllenBradley10%fixedresistMILRC20GF392k50pcs.
3HAC2072-1Cableunitaxis4-6
CS512DCN3BUR980009R10
20BD014A0AYNANN0
2711P-K7C6B2
POTTERPS10-1壓力開關(guān)
7KC9402-8AA30
2711-T10C8L1
*NEWSEALED*AllenBradley1784-PKTXD/A1784PKTXDCard
3HAC020843-001
GEFANUCIC697BEM733
IC697MDL340E
6ES7133-1BL10-0XB0
7ME6910-1AA30-1AB0
ALLENBRADLEYDEVICENET1734-OW2OUTPUTMODULE
INNIS21
1763L16BBB
6SE7016-1TA84-1HF3帶模塊
3HNA008322-001DIAPHRAGM
DCS400勵磁板SDCS-FIS-3A
2711P-B10C4B1
140DDI35300C
802MATZJ4LFAB802MATZJ4LF
DSQC307
IC200CBL110
3HNM13370-1ECCENTRICS3,35MM
490NAC72100
Pre通訊適配器CANTSXCPP110
3HAC020841-001
140AIO33000
MKSM100B00113CR1BV
3HAC020813-060
FISHERBIOTECHAUTORADIOGRAPHYFBXC8108X10
INDRAMATMDD090B-N-040-N2M-110GL1
990NAD21130
7KC1911-8AL
IndramatVPP40
三菱FX3U-64MPLC
LeeLaserRFAmp12000048
AS-584
FBM24219套
CP60
VDI9981
MOTOROLAMVME162-8132
TDM3.2-030-300-W1
TSXP574823M
1756-ENBT/AABControlLogixEthernetIPCommunicationsBridgeLNC
NEWALLENBRADLEY2711P-RP2711PRPPVPLUSNIB
269PLUS-10C-120
2711-T5A2L1
2711-T10G20L1
SANYOPRS-4604E
2711-T10C8SERAFRN3.13AllenBradleyPanelView1000
3HAC020823-002
EMERSONDeltaVProtectionCover
NTU-7C6/MO低價銷售ABBBailey
AllenBradley1761-L16BWAMicroLogixSerEDC/RLY/AC
AB1746-ITB16
NT631C-ST151B-EV2
3HNP01248-1SCREWDIN912
1771-FC
SCHNEIDER（施耐德）AS-B840-10810
P0500NYIntermediatePowerBus
AllenBradley2711-K3A5L1BPanelView300OperatorPane
6ES7151-1AA04-0AB0
A06B-6130-H002
EI801F
AB1734-ACNR1734ACNRControlNetI/OAdapter
XBTZ948
E504996880SIBV
1756-CNB
SIGMA-ALDRICHZ671118SUPERCHARGETURBOPLOTTERKIT,SM
2150S
AKM23D-N3
0.01富士N系列PLC可編程控制器
IC693MDL655
1489-A1C250
安川伺服SGMCS-02B3A-YK11、SGDM-02ADA
B&RAcopos10228V1022.00-1AC110AC122
C500-OD213經(jīng)銷商
AS-884A-200
JANCD-FC001
MVI94-MCM
160CPU42401
IC693PWR321電源模塊
IC697CHS750
F3CT04-0N
P0912FBPWSealedIndustrialTrackball
6ES7315-1AF01-0AB0
DSQC302
ABBYPK112A3ASD573001A13
DYNAPARM050401
REXROTHVT5004-24/R5EAMPLIFIERBOARDVT500424R5E
1747-OCPCI3
TSXP574823M
XPCWHT-L1-WF0-Q4/IxCREELTD
KJ3002X1-BF1
IC200USB002
1336F-BRF200-AE-DE
FANUC?A02B-0211-C020?/R?A02B0211C020?Teach?Pendant
A06B-6079-H208
AB1756ENBT
VERYNICEBOSCHREXROTHCAPACITORMODULEMODELKM1100520VDC25A,P
MDS60A0022-5A3-4-00
140EHC10500
DSDX4525716075-P
ALLENBRADLEY2711-K10G3PANELVIEW1000GSERBNIB
100-C12ZD01
NW-BM85-000
IC693MDL732RR
6182H-7TRH4D
1756-IV16
170ADI34000C
D90PlusLineDistanceProtectionSystem1
6ES5762-2AA12
3HNA007885-004PTK010S2
DSQC6043HAC12928-1
BL-MC200E-20SB
51190422-100Battery,1.2VNicad
FANUCA16B-2201-0580*NICE*
XPEHEW-L1-4C0-R4-GCREELTD
MPCBL0001BPP
DSQC208A
M7ibase-AC-1GE
Siemens6SE6420-2AB15-5AA1
MAD100D-0200-SA-M0-FG0-05-N1/R911317921
IC200MDL940
170BNO67100
3HNM08253-1COVER,PAINTED
MVME147SB-1現(xiàn)貨
SGMAS-04AGA-SU12安川
6ES7235-0KD00-0XA0
MOELLERFrequenzumrichterDV6-340-5K5DV63405K5-OVP-
AS-H827-209
170ADM54080
AS-FLSH-004C
BoschServodynVM100/R-TA1070077528-109100A
A06B-6134-K003
GESB465RGR
UNYXCAUSB033
3HAB3264-1Spacer
3HAC033203-001
A06B-6102-H206#H520
140CPU53414A
ER-JG-7200D
6ES7315-1AF0
NEWALLENBRADLEYPV10002711-K10C20SERIESD2711K10C20NIB
HCS2.1E-W0028-A-03-NNNVR911299520
7KE3188-0AC22-0BF1
LMC211AE-MM7
Simatic6ES5700-2LA12
ABBSE41F
ALLENBRADLEY2711-T10G3X1000PANELVIEWNIB
1336F-BP250-AN-EN-NCM
SEW31C110-503-4-00
AB20B-VECT-C0CASSETTEVECTOR20BVECTCO
170ADO35000
140CFD03200
3HNE01603-1PROFIBUS-DPSLAVE
1336F-B060-AA-EN-L6
6ES5470-7LA12
AS-B808-832
ABBDCSMB510/3BSE002540R1
ABB電池3BSE018172R1
PD36-20AD
Model#845H-SJDC24CNY2
HLR01.1N-10K3-N07R3-A-007-NNNNR911306873
Pre運(yùn)動控制模塊TSXCAY21
IC670MDL241
P0911NMAlphanumicKeyboard-101AT
GESL325RGR
7RE4301-2CB00
MM-PM42-300
CI858K01
西門子PLC6ES7321-1BH02-0AA0
AT-AO-6
SIEMENS西門子6FC5203-0AF02-0AA01
MAC090B-0-PD-4-C/110-A-0/WI/520LV-/S005
RAC3.1-150-460-A0I-W1-220
CACR-SR15BB1AM
ALLENBRADLEY700-HK32Z24NSFP700HK32Z24
AS-B253-101
TK-IDD321
1757-PLX52
3HAC020813-147
AS-B803-008
6ES5405-7AB21
AllenBradley2711-T10C3/F|PanelView1000
FBM07：CM400YH
AllenBradleyAB1770FECPLC-3KeyboardModule*
3HAC020813-139
UNYCSPSPUMBT
TVM1.2-50-220/300-WO-220/380
ALLENBRADLEY2711P-CBL-EX04NSFP2711PCBLEX04
AS-B251-000
140DDO84300
FOXBOROP0916JTFBM2111
JAMSC-B1072-1
SGMGH-09ACA61安川伺服
2711P-T7C6D12011DateABPANELVIEWPLUS700#2
PXI-6030E
LenzeEVF8201-E
IC693MDL645
Honeywell-S8600F
IC200MDL940LT
貝加萊X20AO2622+X20BM11+X20TB12
XPEHEW-H1-6D3-R2-F-01CREELTD
VDIA-50500V
P0973JP
IC693CHS391RR
AS-S902-116
1746-NO4I
AllenBradley1794-CE1,1794CE1,FlexI/OExtended.Cable
FOXBORODCSAD200GBFBM9，14
B956BBPFOLDINGCHARTRECORDERPAPER(10)
FBM215。218端子
3BSE021437R1
1336F-BRF20-AA-IT
3BSE013062R1PU514
3HNA011391-001COVERBASE
3HNM00878-1BRACKETM1
6ES5927-3SA11
DSQC603
