Lub Evolution ntawm PLCs: Keeb Kwm ntawm Programmable Logic Controllers, thiab Yuav Ua Li Cas Xaiv lossis Hloov Lawv

Taug kev los ntawm yuav luag txhua lub Hoobkas qub thiab koj yuav pom qhov tsis sib xws. Ib kab tseem khiav ntaiv logic sau kaum tsib lossis nees nkaum xyoo dhau los ntawm tus maub los uas tau txiav tawm rau kaum xyoo, thaum lub xov tooj ntawm tes nyob ib sab ntawm nws ntws cov ntaub ntawv mus rau IIoT platform rau kev kwv yees txij nkawm. Ob leeg ua lawv txoj haujlwm. Qhov sib txawv ntawd, zaum ntawm ib sab ntawm tib pem teb, yog zaj dab neeg ntawm qhov programmable logic controllers loj hlob tuaj. Nkag siab txog kev hloov pauv ntawm PLCs tsis yog tsuas yog kev lag luam tsis tseem ceeb. Nws qhia koj tias yog vim li cas koj lub hauv paus ntsia tau zoo li nws ua, thiab nws ua ob txoj kev txiav txim siab txhua tsob ntoo thaum kawg ntsib: tus tswj yuav yuav tom ntej thiab yuav ua li cas thaum tus uas koj vam khom mus txog qhov kawg ntawm lub neej.

Ua ntej PLCs: Vim Li Cas Relay Logic Tuav Kev Lag Luam Rov Qab

Ua ntej PLC, cov cav tov tau tswj los ntawm cov tsev txhab nyiaj ntawm electromechanical relays. Lub logic ntawm tus txheej txheem, lub ntsiab lus thaum lub valve qhib thiab lub cev muaj zog pib, nyob rau hauv lub cev thaiv ntawm ntau pua lossis ntau txhiab tus relays nyob hauv cov txee loj.

Txoj kev ntawd tau ua haujlwm, tab sis nws tau nkig hauv txoj kev kim. Hloov cov kev tswj hwm ib ntus txhais tau hais tias rov txuas lub vaj huam sib luag los ntawm tes, ib txoj haujlwm uas tuaj yeem siv sijhawm ntau hnub lossis ntau lub lis piam thaum kab zaum tsis ua haujlwm. Ib qho kev ua tsis tiav ib zaug lossis ib lub xaim xoob tuaj yeem nres kev tsim khoom, thiab nrhiav qhov txhaum nyob rau hauv txoj kab hluav taws xob tau ua haujlwm qeeb. Cov txee lawv tus kheej tau siv qhov chaw hauv pem teb, thiab tom qab xyoo ntawm kev hloov me me, cov ntaub ntawv tsis tshua muaj qhov sib txuam ua tau tiag tiag.

Lub siab tuaj rau lub taub hau hauv Asmeskas kev lag luam tsheb. Carmakers zoo li General Motors rov kho lawv cov kab txhua xyoo qauv, thiab txhua qhov retool txhais tau tias rhuav tshem thiab rov tsim kho cov vaj huam sib luag ntawm tus nqi loj. Los ntawm lig 1960s, qhov kev cuam tshuam txhua xyoo ua rau kev tshawb nrhiav rau qhov kev hloov kho sai sai. Qhov kev xav tseem ceeb yog qhov yooj yim: khaws cov kev ntseeg siab ntawm engineers, tab sis hloov pauv hauv software tsis yog tooj liab. Lub siab ntawd coj ncaj qha mus rau qhov tshwj xeeb uas tsim thawj PLC.

Yug ntawm PLC (1968): Modicon 084 thiab Ladder Logic

Xyoo 1968, Lub Tuam Txhab Hydramatic ntawm General Motors tau sau ib qho tam sim no -nto moo specification rau ib qho khoom- lub xeev hloov rau relay tswj. Nws nug txog cov khoom siv rugged uas tuaj yeem rov ua dua yam tsis muaj rewiring, muaj sia nyob ntawm lub Hoobkas hauv pem teb, thiab tau txais kev saib xyuas los ntawm cov nroj tsuag uas twb muaj lawm electricians es tsis yog cov kws kho tshuab computer.

Ib lub tuam txhab engineering me, Bedford Associates, tau ua qhov kev sib tw. Lawv cov lus teb, coj los ntawm engineer Richard "Dick" Morley thiab nws cov npoj yaig, tau los ua Modicon 084, dav lees paub tias yog thawj qhov programmable logic controller. Lub npe "Modicon" los ntawm Modular Digital Controller, thiab "084" tsuas yog lub tuam txhab tus lej xov tooj. Morley feem ntau hu ua leej txiv ntawm PLC rau txoj haujlwm no.

Qhov kev txiav txim siab tseem ceeb tshaj tom qab 084 tsis yog qhov ua tau zoo. Nws yog qhov kev xaiv ntawm txoj kev programming. Hloov chaw ntawm kev tsim cov lus hauv computer tshiab, pab neeg ua haujlwm cia cov kws ua haujlwm ua haujlwm ntawm tus maub los siv ntaiv logic, ib daim duab uas zoo li yuav luag zoo li tus relay ladder schematics electricians twb nyeem txhua hnub. Qhov no tseem ceeb heev. Cov neeg tswj xyuas cov tshuab no yog cov kws tshaj lij hluav taws xob, tsis yog cov neeg ua haujlwm, thiab lawv tuaj yeem siv tus tswj hwm tshiab yam tsis muaj kev cob qhia. Qhov kev xaiv tsim ib leeg, ntsib cov neeg siv uas lawv twb tau nyob lawm, yog qhov laj thawj loj PLCs kis tau sai heev thiab yog vim li cas ntaiv logic tseem yog hom lus tseem ceeb tshaj li tsib caug xyoo tom qab. Nws kuj yog vim li cas qee cov nroj tsuag tseem khiav cov kev pab cuam ntaiv tau sau ntau xyoo dhau los, ib qho taw qhia peb rov qab mus rau thaum peb sib tham txog kev hloov cov cuab yeej cuab tam qub.

Los ntawm qhov kev txiav txim thawj zaug lub tswvyim kis tau sai. Lwm cov tuam txhab ua raws li, thiab nyob rau hauv ob peb xyoos PLC tau txav los ntawm ib qho kev sim tsheb ib leeg mus rau cov cuab yeej txheem thoob plaws kev lag luam.

Yuav ua li cas PLCs Evolved, Xyoo caum los ntawm kaum xyoo

Thaum lub tswv yim ua pov thawj nws tus kheej, PLCs hloov zuj zus mus, thiab txhua xyoo caum ntxiv lub peev xwm ntawm kev lag luam ntawm lub sijhawm xav tau.

Hauv xyoo 1970 thiab thaum ntxov 1980s, qhov tuaj txog ntawm microprocessor yog qhov hloov pauv. PLCs tau me dua thiab sai dua, tau txais kev nco ntau dua, thiab khaws lawv thawj qhov chaw sib txuas lus, uas cia cov tswj hwm sib tham tsis yog khiav hauv kev sib cais.

Xyoo 1990 yog hais txog kev sib txuas mus rau sab saud, rau tib neeg thiab cov nroj tsuag saum lub tshuab. Tib neeg-machine interfaces (HMIs) tau muab cov neeg ua haujlwm graphical cov ntxaij vab tshaus es tsis txhob siv lub teeb qhia, thiab PLCs pib sib pauv cov ntaub ntawv nrog siab dua - theem cog systems. Lub sijhawm no kuj tau coj IEC 61131-3 tus qauv, luam tawm xyoo 1993, uas txhais tau hais tias muaj ntau hom lus programming thiab txo cov xauv nkag rau ib tus neeg muag khoom tus qauv.

Xyoo 2000s tau ntim rau hauv cov haujlwm uas ib zaug xav tau cov khoom siv sib cais. Kev tswj cov lus tsa suab, thiab qee zaus lub tshuab tsis pom kev, tau dhau los ua tus yam ntxwv ntawm ib tus tswj hwm tuaj yeem sib koom ua ke, thaum Ethernet- raws li kev cai ua rau ntau- cov neeg muag khoom sib txuas yooj yim dua.

Txij xyoo 2010 mus txog niaj hnub no, PLC tau los ua ib qho ntawm lub network loj dua. Cov tswj tam sim no txuas mus rau ERP thiab MES software, pub IIoT platforms, thiab txhawb nqa ntug kev ze rau lub tshuab. Ib yam li qhov tseem ceeb, tam sim no lawv yuav tsum tau tsim nrog cybersecurity hauv siab, vim tias tus maub los ntawm lub network kuj yog tus tswj tau raug rau nws.

Yog tias koj xav pom yuav ua li cas ib qho chaw tsim khoom txav mus los ntawm tib theem no, peb qhov tob tob rauOmron PLC kho vajtse evolution tshaj 50 xyootaug qab qhov arc no los ntawm ib hom khoom lag luam kab.

Legacy vs Modern PLCs: Dab tsi tiag hloov

Lub xyoo caum-los ntawm- xyoo caum zaj dab neeg piav qhia seb peb tuaj ntawm no li cas. Muab tso rau ntawm ib sab, qhov sib txawv ntawm cov cuab yeej cuab tam PLC thiab niaj hnub no qhia txog tsib qhov loj me, thiab txhua qhov muaj txiaj ntsig zoo rau leej twg yog tus tswv.

Txoj kab kev ruaj ntseg tsim nyog tau txais kev ceeb toom. Ntau qhov qub txeeg qub teg PLC tau tsim nyob rau hauv ib lub sijhawm thaum tus tswj tsis tau xav tias yuav kov lub network dav dua. Txuas ib qho mus rau lub network cog niaj hnub thiab nws tuaj yeem dhau los ua qhov chaw mos rau cov neeg tawm tsam, uas yog ib qho ntawm cov laj thawj tseem ceeb uas cov nroj tsuag xaiv los hloov cov khoom qub qub dua li tsis ua rau thaj tsam ntawm nws.

PLC vs PAC vs DCS vs Microcontroller: Tshem Tawm Qhov Tsis Txaus Siab

Cov lus plaub no tau siv xoob, thiab qhov tsis meej pem tuaj yeem ua rau kev yuav khoom ntawm cov khoom siv tsis raug. Nov yog luv luv version.

A PLCtuav kev sib cais, logic- tsav tswj cov tshuab thiab kab, uas yog nws lub hauv paus. APAC(programmable automation controller) yog tus npawg uas muaj zog dua, ua rau kev ua lej nyuaj, tuav cov ntaub ntawv, thiab kev ua haujlwm siab dhau los ntawm cov tshuab loj. ADCS(distributed control system) yog tsim los rau cov txheej txheem loj, txuas ntxiv xws li tshuaj lom neeg, roj thiab roj, lossis lub zog, qhov twg ntau txhiab lub voj voog khiav ib ncig ntawm lub moos. Amicrocontrolleryog ib lub nti embedded nyob rau hauv ib tug ntaus ntawv los yog cov khoom, tuav ib tug mob siab rau txoj hauj lwm.

Ib qho - kab lus qhia: xaiv PLC rau kev sib cais tshuab logic, PAC thaum koj xav tau kev suav hnyav thiab kev ua haujlwm siab, DCS rau cov txheej txheem txuas ntxiv loj, thiab microcontroller rau ib qho yooj yim - tswj cov cuab yeej. Nrog rau cov ciam teb meej, cov lus nug tom ntej no yog cov tswv yim: cov hom twg ua tau cov tswj hwm no, thiab lawv txawv li cas?

Lub ntsiab PLC Hom Hnub no

Rau lub hom phiaj tseem ceeb feem ntau yuav cov npe luv. Txhua tus muaj qhov nruab nrab ntawm lub ntiajteb txawj nqus tiag tiag es tsis yog qhov yooj yim "txhim khu kev ntseeg tau thiab qib siab," thiab paub qhov twg yog qhov muaj zog tshaj plaws txuag lub sijhawm.

Nyeem lub rooj rau dab tsi ua rau txhua hom khoom sib txawv.Siemensmuaj zog thaum koj xav tau ib lub platform los ntawm tus maub los tsawg tshaj plaws mus rau qhov loj tshaj plaws, muaj nyob rau hauv European thiab discrete manufacturing.Allen -Bradley, ib feem ntawm Rockwell, yog tus qauv hauv North America nrog lub hauv paus sib sib zog nqus hauv zos.Mitsubishiyog nyiam los ntawm cov neeg tsim tshuab uas xav tau kev ceev ntawm tus nqi sib tw.Omronsawv tawm qhov twg ib kab yog ntau npaum li kev soj ntsuam raws li nws yog hais txog kev txav.Schneider, uas yog tus thawj Modicon caj ces, muaj zog hauv kev tsim kho vaj tse thiab txheej txheem - ua haujlwm nyob ib sab. ABB nyiam yeej qhov chaw uas twb tau tsim los ntawm ABB drives thiab instrumentation.

Txawm li cas los xij, peb yam txiav txim siab haum ntau dua li cov ntaub ntawv:

• Ecosystem xauv -in.Programming software, ntawv tso cai, thiab kev cob qhia tag nrho khi koj mus rau lub platform. Hloov cov npe tom qab tsis tshua muaj kev sib pauv kho vajtse xwb.
• Spare -ib feem muaj.Lub hom phiaj tsuas yog zoo li koj lub peev xwm kom tau txais cov modules sai, tshwj xeeb tshaj yog rau cov laus. Lub sij hawm ua txhuas ntev ntawm ib daim npav tuaj yeem ua haujlwm tsis ua haujlwm.
• Integration compatibility.Xyuas tias tus maub los hais cov kev cai uas koj twb muaj lawm drives, HMIs, thiab upstream systems twb siv lawm.

Rau cov npe dav dua thiab lub taub hau -rau- taub hau nthuav dav, saib peb phau ntawv qhia rauPLC manufacturers. Thaum koj twb paub hom khoom koj xav tau, koj tuaj yeem ua tauxauj PLC modules los ntawm cov chaw tsim khoomncaj qha.

Yuav Ua Li Cas Xaiv Txoj Cai PLC rau Koj Daim Ntawv Thov

Thaum lub npe luv npe tau teeb tsa, muab nws ua haujlwm rau pem hauv ntej ntawm koj. Tsib yam ua rau feem ntau ntawm kev txiav txim siab.

I / O suav thiab nthuav dav.Suav koj cov tswv yim thiab cov khoom tawm, tom qab ntawd ntxiv kwv yees li 20 mus rau 30 feem pua ​​​​ntawm lub taub hau. Sizing rau hnub no tus naj npawb pes tsawg yog yuav ua li cas cov nroj tsuag xaus li hloov tag nrho cov maub los tsuas yog ntxiv ob peb lub sensors ob xyoos tom qab.

Kev muaj peev xwm ua tau.Yooj yim rau / tawm logic xav tau me ntsis; PID voj voog, kev txav, lossis kev tuav cov ntaub ntawv hnyav xav tau lub CPU muaj zog dua thiab lub sijhawm luam theej sai dua. Muab cov processor rau qhov nyuaj tshaj plaws ntawm txoj kab, tsis yog qhov nruab nrab.

Kev sib txuas lus raws tu qauv.Sau cov txheej txheem uas koj cov cuab yeej siv tam sim no siv, xws li PROFINET, EtherNet/IP, Modbus, lossis EtherCAT, thiab xaiv tus tswj hwm uas hais lus lawv ib txwm muaj. Retrofitting gateways tom qab ntxiv cov nqi thiab cov ntsiab lus tsis ua haujlwm.

Environmental ntsuam xyuas.Qhov kub thiab txias, kev vibration, plua plav, thiab noo noo txiav txim siab seb koj xav tau tus qauv lossis cov khoom siv tawv tawv. Tus maub los ntsuas rau lub txee huv si yuav tsis kav ntev hauv kev ntxuav- nqes los yog qhov chaw sab nraum zoov.

Nyiaj txiag thiab lub sijhawm ua haujlwm.Tus nqi pheej yig tshaj yog tsis muaj kev sib tham yog tias nws muaj kaum ob - lub lim tiam ua ntej thiab koj cov kab poob qis. Ntsuas tus nqi ntsuas tawm tsam qhov muaj tiag thiab tus nqi ncua sijhawm.

Daim ntawv txheeb xyuas ceev koj tuaj yeem rov siv dua:

• Puas yog koj tus lej I/O suav nrog 2 txog 3 xyoos ntawm kev nthuav dav?
• Puas yog CPU loj rau koj txoj haujlwm xav tau tshaj plaws, tsis yog qhov nruab nrab?
• Puas yog tus tswj hwm ib txwm txhawb nqa koj cov txheej txheem uas twb muaj lawm?
• Puas yog qhov kev ntsuas ib puag ncig zoo rau qhov chaw teeb tsa tiag tiag?
• Koj puas tau lees paub cov khoom lag luam tiag tiag thiab lub sijhawm ua haujlwm, tsis yog sau tus nqi xwb?
• Puas yog nws haum rau hom ecosystem koj pab neeg twb paub lawm?

Yog tias koj tus maub los uas twb muaj lawm yog qhov zoo thiab koj tsuas yog nthuav dav, tib lub laj thawj siv tau. Cov ntaub ntawv nyuaj dua yog qhov txuas ntxiv: yuav ua li cas thaum PLC koj vam khom raug txiav tawm.

Hloov Txoj Cai lossis Txiav PLCs

Hloov tus maub los tsis tshua muaj kev xaiv dawb; nws feem ntau yog yuam los ntawm ib qho ntawm ob peb lub cim. Xav txog kev hloov pauv tiag tiag thaum koj pom cov hauv qab no:

• Rov ua yuam kev thiab tsis tau npaj tseg downtime ntawm tus tswj kev laus.
• Ib tsab ntawv kawg- ntawm- daim ntawv ceeb toom txog lub neej lossis kev txiav tawm los ntawm cov chaw tsim khoom.
• Tsis muaj cov khoom seem qub muaj, lossis tsuas yog muaj lus nug grey- cov khoom lag luam.
• Kev tu thiab cov nqi poob qis uas tau ntsiag to loj dua tus nqi ntawm kev kho dua tshiab.

Yog tias ib qho ntawm cov no siv tau, thawj kauj ruam ntawm kev ua haujlwm yog nrhiav. Paub meej tias koj tus lej pes tsawg puas tseem tsim tawm, thiab yog tias tsis yog, txheeb xyuas qhov hloov pauv tau zoo lossis tseem - khoom sib npaug. Qhov no yog qhov chaw xa khoom nrog cov khoom muag tiag tiag, vim tias tus lej txiav tawm feem ntau tseem tuaj yeem nrhiav tau los ntawm txoj cai txoj cai ntev tom qab tus tsim tawm mus.

Los ntawm qhov ntawd koj ntsib ib qho kev txiav txim siab tiag tiag: nyiam-rau{{1}zoo li hloov pauv lossis hloov kho tag nrho.

A hloov tau tshajkhaws koj cov kev pab cuam uas twb muaj lawm, xaim, thiab I/O layout. Nws yog qhov pheej hmoo tsawg dua, tus nqi qis dua, thiab nrawm, uas yog vim li cas nws feem ntau yog txoj cai hu thaum ib kab tsuas yog yuav tsum tau ua haujlwm. Xaiv txoj kev no thaum lub sijhawm poob qis yog koj tus yeeb ncuab tseem ceeb thiab cov kab ke ib puag ncig tsis zoo.

A kev hloov kho tag nrhomus rau lub platform niaj hnub no tus nqi ntau dua thiab siv sijhawm ntev dua, tab sis nws rov pib lub moos: cov khoom seem tam sim no-ib feem muaj, kev sib txuas lus niaj hnub no, thiab kev ruaj ntseg hauv cybersecurity tsim nyob rau hauv. Xaiv qhov no thaum tag nrho cov txheej txheem laus zuj zus, thaum lub dav dav dua tshiab twb tau npaj lawm, lossis thaum lub qub architecture tuav rov qab yam koj xav ua tom ntej.

Yog tias koj tab tom ua haujlwm los ntawm kev tsiv teb tsaws tshwj xeeb, peb qhov kev taug kev ntawmxaiv thiab tsiv teb tsaws qub txeeg qub teg Modicon controllersqhia tau hais tias cov kev lag luam no li cas -offs plays tawm ntawm cov khoom tiag tiag. Thiab yog tias koj twb paub qhov koj xav tau los yog hloov,xa peb tus qauv tooj rau kev kuaj xyuas thiab nqe lus.

Lub neej yav tom ntej ntawm PLCs: Ntug AI, Autonomous Optimization, thiab OT / IT Convergence

Peb qhov kev hloov pauv tau hloov pauv qhov twg PLCs mus tom ntej, thiab txhua tus muaj ib qho khoom siv rau kev yuav khoom koj ua hnub no.

Edge AItxav kev tsom mus rau lossis ib sab ntawm tus maub los, yog li cov haujlwm zoo li kev kuaj pom tsis zoo tshwm sim hauv zos yam tsis muaj kev ncig mus rau huab. Cov lus qhia: nyiam cov tswj hwm uas txhawb nqa kev suav niaj hnub no yuav koj chav rau cov yam ntxwv tom qab.

Autonomous optimizationcia cov tshuab kho lawv tus kheej tsis tau los ntawm cov ntaub ntawv nyob es tsis yog cov teeb tsa ruaj khov. Cov lus qhia: qhib cov ntaub ntawv nkag thiab cov txheej txheem txheej txheem tseem ceeb ntawm no ntau dua li ib tus neeg muag khoom tshwj xeeb.

OT/IT convergencetxuas ntxiv qhov muag plooj kab ntawm cov nroj tsuag hauv pem teb thiab kev lag luam software. Cov lus qhia: tus maub los uas muaj zog, ruaj ntseg kev sib txuas yuav sib txuas yooj yim dua li ib qho tsim los ua ib kob.

Tsis muaj qhov no txhais tau tias caum qhov tshiab tshaj plaws. Nws txhais tau hais tias thaum koj siv cov kev xaiv xaiv saum toj no, qhov hnyav ntawm kev sib txuas thiab qhib cov txheej txheem siab dua me ntsis yog qhov qis - tus nqi los khaws kev yuav khoom ntev dua.

Yuav Mus Qhovtwg Los Ntawm No

Kev hloov pauv ntawm PLCs yog zaj dab neeg tiag tiag ntawm cov cuab yeej uas tau ntsib nws cov neeg siv qhov chaw lawv nyob, los ntawm ntaiv logic hauv xyoo 1968 kom ruaj ntseg, txuas nrog cov tswj niaj hnub no. Qhov koj mus tom ntej yog nyob ntawm qhov chaw koj sawv:

• Tseem ua daim duab toj roob hauv pes?Sib piv covloj PLC homthiab lawv txawv li cas ua ntej koj shortlist.
• Xaiv koj tus maub los tom ntej?Khiav cov npe xaiv saum toj no tiv thaiv koj daim ntawv thov tiag tiag.
• Kev cuam tshuam nrog kev laus lossis tsis siv PLC?Txheeb xyuas qhov ntu, txiav txim siab ntawm qhov hloov pauv tau zoo thiab hloov kho dua tshiab, tom qab ntawd tau txais daim tshev Tshuag.

Txawm hais tias koj nyob rau theem twg, qhia peb cov modules uas koj ua haujlwm nrog, thiab peb yuav pab koj nrhiav cov modules sai sai.Thov ib daim ntawv tsocai los yog daim tshev Tshuagpib.

FAQ

 

 

Thawj PLC yog dab tsi thiab leej twg tsim nws?

Lub Modicon 084, tsim los ntawm Bedford Associates hauv 1968 txog 1969 hauv kev teb rau General Motors specification. Engineer Dick Morley tau txais txiaj ntsig zoo raws li nws cov thawj coj tsim thiab feem ntau hu ua leej txiv ntawm PLC.

Dab tsi yog tsib IEC 61131-3 programming lus?

Ladder Diagram (LD) rau relay-style logic, Function Block Diagram (FBD) rau cov teeb liab ntws, Structured Text (ST) rau cov ntawv nyeem -raws li code, Instruction List (IL), low-level assembly-like language, and Sequential Function Chart (SFC) for step sequences.

PLC hom twg yog qhov zoo tshaj?

Tsis muaj ib qho zoo tshaj plaws; nws nyob ntawm peb yam: koj cheeb tsam thiab kev txhawb nqa hauv zos, ecosystem koj pab neeg twb paub lawm, thiab koj hom ntawv thov. Siemens thiab Schneider coj thoob plaws ntau lub tebchaws Europe thiab kev tsim kho vaj tse, Allen-Bradley hauv North America, thiab Mitsubishi thiab Omron hauv Asian tshuab tsim. Sib piv lawv hauv pebhom lus qhia.

Kuv yuav xaiv qhov zoo PLC li cas?

Muab plaub yam rau koj daim ntawv thov: I / O suav nrog chav nthuav dav, ua lub zog rau koj txoj haujlwm nyuaj tshaj plaws, kev sib txuas lus raws li koj cov cuab yeej siv, thiab kev ntsuas ib puag ncig rau qhov chaw nruab. Tom qab ntawd lees paub cov khoom lag luam tiag tiag thiab lub sijhawm ua haujlwm. Daim ntawv teev tag nrho yog saum toj no.

Kuv puas tuaj yeem hloov lub PLC tsis txuas ntxiv?

Feem ntau yog. Ntau tus lej txiav tawm tseem muaj los ntawm cov khoom muag khoom muag, thiab qhov twg lawv tsis, qhov sib npaug lossis hloov kho qhov sib npaug tuaj yeem muab tau.Xa peb tus qauv naj npawbthiab peb yuav kuaj xyuas muaj.

Puas yog PLCs tshiab thiab qub los ntawm tib hom sib xws?

Nws nyob ntawm. Hauv tib cov khoom lag luam, kev hloov pauv feem ntau ze rau poob -in. Thoob plaws tiam los yog series koj yuav xav tau software hloov dua siab tshiab los yog kev hloov pauv, yog li xyuas cov koob, cov firmware lossis software version, thiab I / O layout ua ntej piv txwv.

Kev sab laj pub dawb