Programmable controller (PLC) kev tsim kho chav kuaj
PLC Training Room Taw Qhia
Programmable maub los (tseem hu ua PC lossis PLC) yog ib hom tshiab ntawm lub hom phiaj kev lag luam tswj kev lag luam raws li microprocessor thiab kev koom ua ke nrog lub computer tswj tsis siv neeg thiab kev sib txuas lus thev naus laus zis, uas tau siv dav hauv ntau yam lag luam xws li steel, roj av, tshuaj, hluav taws xob. lub zog, cov ntaub ntawv hauv tsev, kev tsim khoom, tsheb, kev lag luam teeb, kev thauj mus los, kev tiv thaiv ib puag ncig thiab kab lis kev cai thiab kev lom zem.
Programmable controller (tseem hu ua PLC) yog ib hom tshiab ntawm kev lag luam kev lag luam tswj kev lag luam raws li microprocessor thiab kev koom ua ke nrog lub computer tswj tsis siv neeg thiab kev sib txuas lus thev naus laus zis, uas yog ib qho kev qhia tsis siv neeg tswj hwm kev cob qhia hauv kev lag luam niaj hnub automation, xws li programmable. maub los daim ntawv thov technology, inverter daim ntawv thov technology, kov screen daim ntawv thov technology, industrial network kev sib txuas lus daim ntawv thov technology, thiab lwm yam. Lub tswv yim kev cob qhia cov cuab yeej txiav txim siab txog qhov tam sim no thiab txoj kev loj hlob qauv ntawm domestic kev kawm txuj ci kev kawm txuj ci system, tag nrho considers tus yam ntxwv ntawm cov tub ntxhais kawm thiab cov kws qhia, thiab hais txog qhov qhia txog kev muaj peev xwm ntawm cov tub ntxhais kawm thiab cov kws qhia. Chav kawm txhawb kev qhib kev qhia thiab tsim kev sim tsim thiab kev tswj xyuas network, uas yog tshwj xeeb tshaj yog haum rau niaj hnub kev qhia ntawv thiab kev sim tsim thiab kev cob qhia engineering technology. Nws yog siv rau kev qhia thiab kev cob qhia ntawm "Programmable Controller Technology", "Electrical and PLC Control Technology", "PLC thiab nws daim ntawv thov", "Inverter Speed Control Technology" thiab lwm yam kev kawm ntawm electromechanical thiab non-electromechanical majors.
PLC chav qhia tswv yim ua haujlwm hauv qab no cov kev qhia ua haujlwm.
Inverter muaj nuj nqi parameter teeb tsa thiab ua haujlwm; sab nraud terminal taw tes tswj; inverter tswj lub cev muaj zog rau pem hauv ntej thiab rov qab; multi-segment ceev xaiv inverter ceev tswj; inverter stepless tswj ceev; inverter ceev tswj raws li sab nraud analog (voltage / tam sim no) tswj hom; instantaneous fais fab tuag pib tswj; PLC, inverter ceev tswj; PLC tswj inverter sab nraud davhlau ya nyob twg lub cev muaj zog rau pem hauv ntej thiab rov qab; PLC tswj inverter sab nraud davhlau ya nyob twg lub cev muaj zog khiav lub sij hawm tswj; PLC digital tswj txoj kev raws li ntau-kauj ruam ceev; tswj lub cev muaj zog; stepper lub cev muaj zog; tsis siv neeg pub noj thiab chaw thau khoom; tsis siv neeg dej theem tswj dej ntauwd; tswj lub teeb pom kev ntawm tus kheej thiab tswj kev tswj; ntau hom kev sib xyaw ua kua; tswj tus kheej molding tshuab; tswj tus kheej rolling tshuab; mail sorting tshuab; pej thuam ntawm lub teeb; peb-zaj elevator tswj; machining center cuab tam magazine tswj; robotic los ua ke thiab tuav los ua ke kab; vending tshuab simulation simulation; plaub-section conveyor siv; sib dhos kab sib dhos; suab paj nruas; PLC tub sab; flash tswj system module.
Programmable controller rau luv luv - PLC yog ib hom tshiab ntawm kev lag luam tswj cov cuab yeej raws li microprocessor, kev koom ua ke nrog kev tsim kho tshuab computer, tsis siv neeg tswj tshuab thiab kev sib txuas lus technology. Nws muaj qhov zoo ntawm cov qauv yooj yim, kev ua haujlwm yooj yim thiab kev ntseeg siab, thiab tau siv dav hauv kev tswj tsis siv neeg ntawm cov txheej txheem thiab cov haujlwm. Raws li kev txheeb cais, programmable maub los yog ib qho ntawm cov cuab yeej siv tshaj plaws hauv kev lag luam automation. Cov kws tshaj lij ntseeg tias cov tswj hwm programmable yuav dhau los ua lub ntsiab lus ntawm kev tswj hwm kev lag luam thiab cov cuab yeej siv tseem ceeb hauv PLC yav tom ntej, neeg hlau thiab CAD / CAM yuav dhau los ua peb tus ncej ntawm kev tsim khoom lag luam.
PLC yog ua raws li kev tswj hwm relay, thiab 3C (Computer, Control, Communication) thev naus laus zis ua ke nrog kev txhim kho txuas ntxiv ntawm kev zoo meej. Nws tau raug tsim los ntawm kev tswj me me nyob ib leeg mus rau txhua qhov kev tswj xyuas nrog rau cov txheej txheem tswj, tswj txoj hauj lwm thiab lwm lub sijhawm. Automation systems siv nyob rau hauv ntau hom PLC, qee qhov nruab nrab nruab rau hauv chav tswj, qee qhov tau tawg nyob rau hauv qhov chaw tsim khoom ntawm tus kheej cov cuab yeej, txawm hais tias lawv feem ntau yog cov khoom siv hluav taws xob muaj zog thiab cov khoom siv hluav taws xob muaj zog tsim los ntawm qhov hnyav electromagnetic ib puag ncig, tab sis PLC yog tsim tshwj xeeb rau kev tsim khoom ib puag ncig thiab tsim cov khoom siv tswj, hauv kev tsim thiab tsim cov txheej txheem siv ntau theem los tiv thaiv kev cuam tshuam thiab xaiv cov khoom ntsuas, yog li muaj lub peev xwm los hloov mus rau qhov hnyav hnyav, kev ua haujlwm ruaj khov. thiab kev ntseeg siab, yog li feem ntau tsis tas yuav siv cov kev ntsuas tshwj xeeb tuaj yeem siv ncaj qha rau hauv ib puag ncig kev lag luam.
Kev ntseeg siab yog qhov tseem ceeb ntawm cov khoom siv tswj hluav taws xob. PLC vim yog kev siv cov cuab yeej siv hluav taws xob loj niaj hnub no, kev siv cov txheej txheem tsim khoom nruj, kev siv hluav taws xob sab hauv kom siv cov cuab yeej tiv thaiv kev cuam tshuam, muaj kev ntseeg siab. Piv txwv li, qhov nruab nrab tsis ua hauj lwm-dawb lub sij hawm ntawm F series PLC tsim los ntawm Mitsubishi yog siab li 300, 000 teev. Qee qhov kev siv tsis tu ncua CPU's PLC lub sijhawm nruab nrab tsis muaj teeb meem ua haujlwm ntev dua. Los ntawm PLC Circuit Court sab nraum lub tshuab, kev siv PLC tswj qhov system, thiab tib qhov loj ntawm cov relay contactor system, piv rau cov hluav taws xob thaiv hluav taws xob thiab cov kev sib txuas tau raug txo mus rau ntau pua lossis ntau txhiab lub ntsiab lus, qhov tsis ua haujlwm tau txo qis heev. Tsis tas li ntawd, PLC nrog kho vajtse tsis ua haujlwm ntawm tus kheej-nrhiav kev ua haujlwm, thaum tsis ua haujlwm tuaj yeem muab cov ntaub ntawv ceeb toom raws sijhawm. Hauv daim ntawv thov software, daim ntawv thov kuj tseem tuaj yeem raug programmed rau hauv cov khoom siv peripheral txhaum kev kuaj tus kheej, kom lub kaw lus ntxiv rau PLC Circuit Court thiab cov khoom siv kuj tau txais kev tiv thaiv tus kheej tsis raug. Ua li no, tag nrho cov system muaj kev ntseeg siab heev tsis yog qhov xav tsis thoob.
Tau ntev, plc yeej ib txwm nyob rau hauv lub ntsiab kev sib ntaus sib tua ntawm kev lag luam tswj automation, muab kev txhim khu kev qha tswj kev daws teeb meem rau ntau yam ntawm automation tswj cov cuab yeej, thiab dcs thiab industrial pc los tsim peb-pronged sib. Nyob rau tib lub sijhawm, plc tseem raug kev txom nyem los ntawm kev cuam tshuam ntawm lwm yam khoom siv thev naus laus zis, tshwj xeeb tshaj yog cuam tshuam ntawm kev lag luam pc.
Tam sim no, lub ntiaj teb plc manufacturers txog 200, ua ntau tshaj 300 yam khoom. Kev lag luam hauv tsev plc tseem yog cov khoom lag luam txawv teb chaws, xws li siemens, modicon, ab, omron, mitsubishi, ge khoom. Tom qab xyoo ntawm txoj kev loj hlob, muaj txog peb caug domestic plc manufacturers, tab sis lawv tsis tau tsim ib tug loj ntau lawm muaj peev xwm thiab cov khoom lag luam npe, nws yuav hais tau tias plc nyob rau hauv Tuam Tshoj tseem tsis tau tsim industrialization. Nyob rau hauv cov nqe lus ntawm daim ntawv thov plc, Tuam Tshoj yog heev nquag, thiab daim ntawv thov ntawm kev lag luam kuj dav heev. Cov kws tshaj lij kwv yees tias kev lag luam hauv tsev muag khoom ntawm plc hauv 2000 yog 15(200,{15}} teeb tsa (ntawm cov khoom lag luam suav txog li 90 feem pua), txog 2.5 (3.5 billion RMB, nrog rau kev loj hlob txhua xyoo kwv yees li 12 feem pua . Lub teb chaws plc xav tau yuav tsum ncav cuag li 250,000 teeb tsa los ntawm 2005, los yog li ntawm 3.5 (4.5 billion yuan. Plc lag luam kuj qhia txog lub xeev ntawm kev tsim khoom thoob ntiaj teb, uas tau poob qis heev txij li xyoo 2000. Txawm li cas los xij, raws li automation kev tshawb fawb corp, lub lag luam plc yuav rov zoo dua txawm tias lub ntiaj teb kev lag luam poob qis, nrog lub ntiaj teb plc kev lag luam kwv yees li ntawm $ 7.6 nphom hauv 2000 thiab yuav rov qab mus rau $ 7.6 billion los ntawm qhov kawg ntawm 2005 thiab txuas ntxiv mus ntxiv me ntsis.
Miniaturization, networking, pc-ization thiab kev qhib siab yog cov lus qhia tseem ceeb ntawm plc txoj kev loj hlob yav tom ntej. Thaum ntxov ntawm plc-based automation, plc's tau loj thiab kim. Tab sis nyob rau hauv ob peb xyoos dhau los, me me plc (tsawg dua 32 i / o) tau tshwm sim nrog tus nqi ntawm ob peb puas euros. Nrog rau kev txhim kho ntxiv thiab kev txhim kho ntawm soft plc (soft plc) tswj kev teeb tsa software, lub installation ntawm soft plc configuration software thiab pc-based tswj kev lag luam yuav maj mam loj hlob.
Tam sim no, ib qho kev sib tw loj tshaj plaws hauv kev tswj cov txheej txheem yog kev nthuav dav ntawm ethernet thev naus laus zis, thiab plc tsis muaj qhov tshwj xeeb. Ntau thiab ntau tus neeg muab khoom plc tam sim no muab ethernet interfaces. Nws tuaj yeem ntseeg tau tias plc yuav txuas ntxiv mus rau hauv cov kev taw qhia ntawm kev qhib kev tswj hwm, tshwj xeeb tshaj yog kev tswj hwm raws li kev lag luam pc.
Tam sim no, PLC tau siv dav hauv tsev thiab txawv teb chaws hauv ntau qhov kev lag luam xws li steel, roj av, tshuaj, hluav taws xob, khoom siv hauv tsev, tshuab tsim, tsheb, lub teeb textile, tsheb thauj mus los, kev tiv thaiv ib puag ncig thiab kab lis kev cai thiab kev lom zem, thiab lwm yam. tuaj yeem sau dav dav raws li hauv qab no:
Switching logic control: Qhov no yog qhov yooj yim tshaj plaws thiab dav daim ntawv thov cheeb tsam ntawm PLC, uas hloov cov tsoos relay Circuit Court kom ua tiav logic tswj, ib theem zuj zus tswj, yuav siv tau rau ib leeg khoom tswj, tab sis kuj rau ntau lub tshuab pab pawg neeg tswj thiab automated los ua ke kab. . Xws li kev txhaj tshuaj molding tshuab, tshuab luam ntawv, tshuab stapling, ua ke tshuab cuab yeej, sib tsoo tshuab, ntim kab, electroplating kab, thiab lwm yam .; Analog tswj: Hauv cov txheej txheem tsim khoom, muaj ntau qhov hloov pauv tsis tu ncua, xws li kub, siab, ntws, qib kua thiab ceev, thiab lwm yam yog cov khoom siv analog. Txhawm rau ua kom lub programmable maub los cuam tshuam nrog ntau npaum li cas, nws yuav tsum paub txog A / D hloov dua siab tshiab thiab D / A kev hloov pauv ntawm analog kom muaj nuj nqis (Analog) thiab digital kom muaj nuj nqis (Digital), thiab PLC cov tuam txhab tsim kev txhawb nqa A / D thiab D / A hloov dua siab tshiab modules los ua tus programmable maub los siv rau kev tswj hwm analog; Kev tswj cov lus tsa suab: PLC tuaj yeem siv rau kev txav mus los lossis kev tswj kev tawm suab. Los ntawm kev tswj cov txheej txheem kev teeb tsa, thaum ntxov siv ncaj qha rau kev hloov I / O modules txuas nrog txoj hauj lwm sensors thiab actuators, tam sim no feem ntau siv lub zog siab tswj modules. Xws li ib leeg-axis lossis multi-axis txoj haujlwm tswj modules uas tuaj yeem tsav stepper motors lossis servo motors. Cov khoom lag luam ntawm lub ntiaj teb cov tuam txhab loj PLC yuav luag txhua tus muaj lub zog tswj kev ua haujlwm, siv dav hauv ntau yam tshuab, tshuab cuab yeej, neeg hlau, elevator thiab lwm yam; txheej txheem tswj: txheej txheem tswj yog hais txog qhov kaw-voj tswj qhov kub, siab, ntws thiab lwm yam analogues. Raws li lub computer tswj kev lag luam, PLC tuaj yeem npaj ntau yam kev tswj hwm algorithm kom ua tiav cov kev tswj hwm kaw.
PID txoj cai feem ntau yog siv rau hauv kaw-voj tswj tshuab ntau txoj kev tswj hwm. Loj thiab nruab nrab PLC muaj PID module, ntau PLC me me kuj muaj qhov ua haujlwm no. pid processing feem ntau yog ua haujlwm tshwj xeeb PID subroutine. Kev tswj cov txheej txheem hauv metallurgy, tshuaj lom neeg kev lag luam, kev kho cua sov, kev tswj boiler thiab lwm lub sijhawm muaj ntau yam kev siv; Kev ua cov ntaub ntawv: PLC niaj hnub nrog kev ua lej (xws li kev ua haujlwm matrix, kev ua haujlwm ua haujlwm, kev ua haujlwm logic), cov ntaub ntawv hloov pauv, hloov pauv cov ntaub ntawv, txheeb xyuas, rooj saib xyuas, kev siv me ntsis thiab lwm yam haujlwm, tuaj yeem ua tiav cov ntaub ntawv sau, tshuaj xyuas thiab ua tiav. Cov ntaub ntawv no tuaj yeem muab piv nrog cov txiaj ntsig siv khaws cia hauv lub cim xeeb, kom ua tiav qee yam kev tswj hwm, tab sis kuj tuaj yeem siv cov kev sib txuas lus kom hloov mus rau lwm cov khoom siv ntse, lossis lawv yuav raug luam tawm thiab tabulated. Kev ua cov ntaub ntawv feem ntau yog siv rau hauv cov kev tswj loj, xws li kev tswj tsis tau hloov pauv hloov pauv; kuj tuaj yeem siv rau hauv cov txheej txheem tswj cov txheej txheem, xws li ntawv, metallurgy, khoom noj khoom haus kev lag luam hauv qee qhov kev tswj hwm loj; Kev sib txuas lus thiab kev sib txuas lus: PLC kev sib txuas lus muaj PLC kev sib txuas lus thiab PLC kev sib txuas lus nrog lwm cov khoom siv ntse. Nrog rau kev txhim kho kev tswj hwm lub computer, lub Hoobkas automation network tau tsim sai heev, cov tuam txhab PLC muab qhov tseem ceeb rau kev sib txuas lus ntawm PLC, tau tsim lawv tus kheej lub network. Kev tsim tawm tshiab ntawm PLCs muaj kev sib txuas lus sib txuas, kev sib txuas lus yooj yim heev.
