PLC yog dab tsi? Tus neeg yuav khoom- Kev Qhia Tus phooj ywg rau Programmable Logic Controllers, Hom, Cov Hom Zoo Tshaj Plaws, thiab Yuav Ua Li Cas Tau Txais Lawv

Lub Programmable Logic Controller (PLC) yog lub khoos phis tawj muaj zog uas tsis tu ncua nyeem cov tswv yim los ntawm cov sensors, ua tiav preprogrammed tswj logic, thiab tsav cov khoom siv los khiav lub cev muaj zog, li qub, thiab cov tshuab hauv lub sijhawm tiag tiag- ua cov pob txha txhim khu kev qha ntawm kev tsim khoom niaj hnub no.

PLCs ntsiag to khiav kwv yees li 80% ntawm lub ntiaj teb kev lag luam automation. Lawv tswj txhua yam los ntawm cov kab hauv bottling thiab cov tshuaj reactors mus rau lub hwj chim substations thiab lub tshav dav hlau lub hnab nqa khoom. Txawm li cas los xij feem ntau pawg engineering thiab kev yuav khoom tsuas yog paub ntau npaum li cas nyob ntawm kev xaiv thiab nrhiav PLC txoj cai tom qab lawv tau them rau qhov tsis raug.

Phau ntawv qhia no taug kev los ntawm daim duab tag nrho hauv peb txheej. Ua ntej, peb yuav npog qhov PLC yog dab tsi thiab nws ua haujlwm li cas. Tom qab ntawd peb mam li sib piv cov PLC hom loj thiab taug kev los ntawm cov npe xaiv qhov kev xaiv. Thaum kawg, peb yuav nkag mus rau hauv ib feem uas tsis muaj leej twg sau txog: yuav ua li cas rau PLCs thoob ntiaj teb hauv 2026 yam tsis tau hlawv ntawm cov khoom cuav, lub sijhawm txhuas, lossis kev tsis sib haum xeeb.

PLC (Programmable Logic Controller) yog dab tsi?

PLC yog lub khoos phis tawj digital uas tsim los rau ib lub hom phiaj: tswj cov tshuab thiab cov txheej txheem kev ntseeg siab, txiav txim siab, thiab ntau xyoo. Tsis zoo li lub desktop PC, PLC yog tsim kom muaj sia nyob thaum tshav kub kub, kev co, hluav taws xob nrov, plua plav, thiab av noo - thiab tsis txhob nco lub voj voog scan thaum ua li ntawd.

PLC tsis tu ncua nyeem digital thiab analog teeb liab los ntawm cov khoom siv hauv teb (sensors, keyboards, transmitters), khiav ib tus neeg siv -txoj kev tswj hwm, thiab hloov kho cov khoom tawm (relays, contactors, motor starters, li qub, drives). Lub voj no rov ua dua ntau txhiab zaus hauv ib ob, txhua ob, feem ntau rau 20+ xyoo yam tsis muaj kev cuam tshuam.

PLCs qee zaum tsis meej pem nrog cov thev naus laus zis uas nyob ib sab. Nov yog qhov lawv txawv ntawm ib nrais muag:

Yog tias koj daim ntawv thov cuam tshuam nrog kev sib cais, kev sib txuas ntawm lub tshuab, kev sib koom ua ke ntawm lub cev muaj zog, lossis kev sib xyaw analog / digital tswj, PLC yuav luag txhua qhov kev xaiv.

Keeb kwm luv luv ntawm PLC: Los ntawm Relay Txee rau Kev Lag Luam 4.0

Ua ntej PLCs, Hoobkas tswj logic nyob hauv cov txee uas muaj cov khoom siv hluav taws xob sib txuas. Ib qho kev hloov pauv ntawm tus qauv tuaj yeem txhais tau tias lub lis piam ntawm rewiring thiab poob ntau lawm. Xyoo 1968, engineer Dick Morley thiab nws pab neeg ntawm Bedford Associates tau sau cov lus qhia tshwj xeeb rau qhov uas yuav dhau los ua Modicon 084 - thawj PLC. General Motors tau siv nws los hloov cov relay panels ntawm nws cov kab sib dhos Hydramatic, thiab kev lag luam tau yug los.

Lub sij hawm yooj yim:

Lub architecture Dick Morley txhais tau tias tseem yog cov architecture txhua tus neeg muag khoom loj PLC siv niaj hnub no. Qhov hloov pauv yog qhov kev sib txuas nyob ib puag ncig nws.

PLC ua haujlwm li cas? Hauv Scan Cycle

Inputs, Outputs, thiab qhov tiag -Lub Ntiaj Teb Qhia rau PLC Nyeem

PLC cuam tshuam nrog lub ntiaj teb lub cev los ntawm I / O modules. Discrete inputs nyeem on/off signals (txheej keyboards, laub khawm, thiab ze sensors). Analog inputs tuav cov cim tsis tu ncua xws li 4-20 mA los ntawm lub siab hloov pauv, 0-10 V los ntawm lub ntsuas dej ntws, lossis RTD / thermocouple nyeem.

Outputs ua qhov rov qab: discrete outputs tsav contactors, relays, thiab solenoid li qub; analog outputs tswj qhov sib txawv - zaus drives, proportional li qub, thiab instrumentation. Txhua qhov kev tawm tswv yim thiab cov zis yog hluav taws xob cais tawm ntawm CPU los tiv thaiv nws los ntawm qhov tsis muaj suab nrov ntawm ib puag ncig kev lag luam.

Plaub -Qhib Scan Cycle

Txhua PLC ua haujlwm tib yam plaub- kauj ruam voj, feem ntau nyob rau hauv 1–50 milliseconds, nyob ntawm qhov loj ntawm qhov kev pab cuam:

• Input Scan:CPU ntsuas txhua qhov kev tawm tswv yim thiab khov ib qho snapshot hauv nco.
• Program Scan:Lub logic tswj executes sab saum toj mus rau hauv qab tiv thaiv qhov snapshot.
• Tso zis Scan:Tag nrho cov txiaj ntsig tau muab sau rau hauv cov zis modules ib zaug.
• Kev tu vaj tse:Kev sib txuas lus, kev kuaj mob, thiab kev kuaj xyuas sab hauv. Ces lub voj voog rov pib tam sim ntawd.

Lub voj kev txiav txim siab no yog vim li cas PLC tuaj yeem lav, nrog ze rau -zero variance, tias tib lub tswv yim qauv tsim tib cov zis txhua txhua ib qho scan.

Vim li cas Determinism Matters

Koj lub xov tooj muaj lub zog siv hluav taws xob ntau dua li PLC nyob hauv lub neej - thiab tseem koj yuav tsis tso siab rau nws los tswj cov xovxwm hydraulic, lub tshuab hluav taws xob, lossis cov tshuaj batch reactor. PLCs pauv hloov tau yooj yim rau kev kwv yees. Tsis muaj kev khiav hauj lwm qhov kev txiav txim siab los txhim kho qhov hloov tshiab nruab nrab - lub voj voog, tsis muaj cov neeg khaws khib nyiab nres nres, thiab tsis muaj kev sib tw ntawm cov xov.

Hauv kev lag luam uas lub voj voog tsis tuaj yeem txhais tau tias raug mob, kis kab mob, lossis cov khoom puas tsuaj, qhov kev kwv yees yog tag nrho cov ntsiab lus.

Qhov tseem ceeb ntawm PLC

Ib tug raug modular PLC muaj xws li hauv qab no lub tsev thaiv:

• Fais fab mov: Hloov cov fais fab nroj tsuag (24 VDC, 120/230 VAC) mus rau huv, tswj DC rau CPU thiab rov qab.
• CPU: Ua haujlwm rau cov neeg siv kev pab cuam, tswj kev nco, thiab orchestrates I / O thiab kev sib txuas lus.
• Input Module: Digital (24 VDC, 120 VAC) thiab analog (4–20 mA, 0–10 V, RTD, thermocouple) teeb liab txias.
• Tso zis Module: Relay, transistor, lossis analog outputs uas tsav cov khoom siv.
• Kev sib txuas lus Module: Profinet, EtherNet/IP, Modbus TCP/RTU, OPC UA, thiab serial gateways rau fieldbus thiab IT kev koom ua ke.
• Programming Device: Ib lub PC khiav tus neeg muag khoom IDE (TIA Portal, Studio 5000, EcoStruxure, GX Works, Sysmac Studio).
• Nco: Khaws cov kev pab cuam, cov ntaub ntawv rooj, thiab cov nqi keeb kwm; feem ntau thim rov qab los ntawm roj teeb lossis flash.

Hauv kev cog lus thiab micro PLCs, ob peb ntawm cov ntsiab lus no tau muab tso rau hauv ib qho chaw ruaj khov. Hauv modular thiab khib-mount systems, txhua lub module yog kub-swappable thiab tuaj yeem txiav txim ua qhov seem.

PLC Programming Languages ​​(IEC 61131-3)

IEC 61131-3 tus qauv qhia tsib PLC programming lus. Cov haujlwm niaj hnub no feem ntau siv kev sib xyaw ua ke ntawm thawj peb:

• Cov ntaiv logic (LD): Visual, qauv tom qab relay schematics. Qhov zoo tshaj plaws rau kev txiav txim siab tsis sib xws, paub txog cov neeg siv hluav taws xob, thiab yooj yim rau kev daws teeb meem ntawm cov nroj tsuag hauv pem teb.
• Function Block Diagram (FBD): Thaiv-thiab-wire dataflow programming. Zoo heev rau cov txheej txheem thiab analog tswj nrog PID loops.
• Structured Text (ST): Pascal -zoo li cov lus ntawv. Qhov zoo tshaj plaws rau kev ua lej, algorithms, thiab cov logic nyuaj uas yuav tsis muaj nyob hauv tus ntaiv.
• Sequential Function Chart (SFC): Xeev- tshuab style. Pab tau rau cov txheej txheem batch thiab cov kauj ruam - los ntawm - cov kauj ruam ua ntu zus.
• Kev qhia Lyog (IL):Assembler-zoo li; feem ntau deprecated nyob rau hauv tshiab platforms.

Txawm hais tias tus qauv tau muab faib rau cov neeg muag khoom, txhua tus IDE yog tus tswv. Ib qho program sau hauv Siemens TIA Portal tsis khiav ntawm Rockwell maub los. Qhov no yog qhov tseeb ntawm PLC programming - thiab ib qho ntawm cov laj thawj kev xaiv hom tseem ceeb tshaj li cov khoom lag luam qhia.

Hom PLCs: Qhov twg haum rau koj daim ntawv thov?

Tsis yog txhua lub tshuab yuav tsum muaj rau -cov duab khib- mount system, thiab tsis yog txhua txhua tsob nroj tuaj yeem khiav los ntawm lub cib PLC. Feem ntau cov haujlwm poob rau hauv ib qho ntawm tsib pawg:

Txoj cai siv tau: xaiv PLC tsawg tshaj plaws uas tuaj yeem ua haujlwm hnub no I / O ntxiv rau 30% headroom. Mus rau ib qib me me dhau los ua ib qho kev hloov thaum ntxov; mus rau ob peb tiers loj heev pov tseg nyiaj txiag uas yuav tau mus rau zoo dua HMIs los yog drives.

Sab saum toj PLC Hom Sib Piv: Siemens, Schneider, Allen-Bradley, Mitsubishi, Omron, ABB

Nov yog qhov uas feem ntau hauv online "PLC yog dab tsi?" cov ntawv nres-thiab qhov twg cov neeg yuav khoom xav tau kev pab tiag tiag. Ntawm no yog qhov ncaj ncees, daim ntawv thov - qhia kev sib piv.

Thaum xaiv qhov twg: Kev Txiav Txim Matrix

• Automotive OEM nyob rau hauv North America→ Allen -Bradley
• European los yog thoob ntiaj teb discrete manufacturing→ Siemens
• Asian OEM tshuab tsim→ Mitsubishi los yog Omron
• Dej, lub zog, lub tsev automation→ Schneider los yog ABB
• High - ntim ceev thiab hluav taws xob→ Omron los yog Mitsubishi
• Mixed brownfield site→ Sib tw yam uas twb muaj lawm, ces txuas nrog Modbus lossis OPC UA

Tsis muaj universally "zoo tshaj" PLC. Qhov zoo tshaj plaws PLC yog qhov koj pab neeg tuaj yeem ua haujlwm, koj qhov kev pabcuam khoom seem tuaj yeem txhawb nqa, thiab koj cov neeg siv khoom kawg yuav txais.

Yuav Ua Li Cas Xaiv Txoj Cai PLC: Ib Daim Ntawv Xaiv 7-kauj ruam

Siv qhov no ua ib daim ntawv txheeb xyuas ua haujlwm ntawm koj qhov project tom ntej:

• Suav thiab faib koj I/O.Muaj pes tsawg tus digital vs. analog inputs thiab outputs? Ib qho tshwj xeeb I/O nyiam siab -cov ntsuas ceev, encoders, lossis RTDs?
• Txhais scan -lub sij hawm thiab kev txiav txim siab xav tau.Puas yog 10 ms txaus, lossis koj puas xav tau sub-millisecond motion control?
• Xaiv cov txheej txheem kev sib txuas lus zoo.PLC puas yuav hais Profinet, EtherNet/IP, Modbus TCP, lossis OPC UA, lossis tham nrog SCADA uas twb muaj lawm?
• Txiav txim siab txog kev ruaj ntseg.Koj lub tshuab puas xav tau SIL 2 lossis SIL 3 ua haujlwm? Yog tias muaj, npaj PLC kev nyab xeeb txij hnub ib - rov qab kev nyab xeeb yog mob.
• Muab qhov programming ib puag ncig rau koj pab neeg.PLC zoo koj pab neeg ua tsis tau qhov kev pab cuam yog PLC phem.
• Npaj rau kev nthuav dav.Ntxiv tsawg kawg 30% I / O lub taub hau thiab paub meej tias lub chassis lossis khib txhawb nws.
• Tshawb xyuas lub neej voj voog, cov khoom seem, thiab kev txhawb nqa hauv cheeb tsam.Xyuas kom tseeb tias tus qauv tsis kawg - ntawm - lub neej, thiab paub meej tias cov khoom seem muaj nyob hauv koj cheeb tsam nrog lub sijhawm ua haujlwm tiag tiag.

Hla kauj ruam 7 yog ib qho ua rau "peb xaiv PLC tsis ncaj ncees lawm."

PLC + HMI + VFD + Servo: Vim Li Cas Koj Yuav Tsum Tau Txais Cov Txheej Txheem Ua Ke

Lub PLC tsis tshua muaj siv nyob ib leeg. Nws tswj tag nrho pawg tswj hwm:

• PLC + HMI:HMI (touchscreen) yog tus neeg teb xov tooj lub qhov rais. Nws nyeem cov cim los ntawm PLC thiab sau cov ntsiab lus rov qab. Kev sib xyaw hom ua haujlwm, tab sis sib piv lawv (Siemens PLC nrog Siemens Comfort HMI, AB ControlLogix nrog PanelView) txiav lub sijhawm sib xyaw ua ke.
• PLC + VFD:Kev sib txawv zaus Tsav tswj lub cev muaj zog raws li PLC hais kom ua, feem ntau ntawm Profinet, EtherNet / IP, lossis Modbus. Muab lawv los ntawm kev cai ua ntej, hom thib ob.
• PLC + Servo:Cov kev tswj hwm kev txav chaw siv servos rau qhov tseeb. Qee qhov PLCs (Mitsubishi iQ-R, Omron NJ, Siemens S7-1500T) suav nrog cov lus tsa suab ib txwm muaj; lwm tus delegate tsab ntawv tsa suab rau cov tswj hwm.
• PLC + SCADA:SCADA sau cov ntaub ntawv los ntawm ntau PLCs thoob plaws ib lub chaw. OPC UA yog cov niaj hnub lingua franca uas khi nws tag nrho ua ke.

Sourcing tag nrho pawg - PLC, HMI, VFD, servo, kev sib txuas lus modules - los ntawm ib tus neeg muag khoom yooj yim rau kev txheeb xyuas kev sib raug zoo, kev thauj khoom, kev lav, thiab tom qab - muag kev txhawb nqa. Qhov no yog qhov tshwj xeeb tshaj yog muaj txiaj ntsig rau cov neeg siv khoom hla - ciam teb B2B, qhov twg tswj hwm ntau tus neeg xa khoom txhais tau tias ntau lub sij hawm ua, ntau yam Incoterms, thiab ntau yam kev pheej hmoo.

Yog tias koj tab tom nrhiav ib pawg automation tiav, tshawb xyuas pebPLC, HMI, thiabVFDcatalog - tag nrho cov hom loj, hauv Tshuag, xa tuaj hauv 48 teev.

PLC hauv Kev Ua: Kev Lag Luam Configuration Snapshots

Khoom noj & dej haus.Hygienic mixing, filling, capping, thiab ntim kab. Cov pawg: Siemens S7-1200 lossis Schneider M241 PLC, Siemens Comfort HMI, SINAMICS lossis Altivar VFDs ntawm cov khoom siv. Kub-swappable I / O yog qhov tseem ceeb vim tias lub sijhawm poob qis.

Tshuaj.Batch reactors, cleanroom HVAC, GMP-validated logging. Cov pawg: Siemens S7-1500 lossis AB ControlLogix nrog cov khoom siv rov ua dua tshiab, PLC kev nyab xeeb rau kev sib cuam tshuam, OPC UA tunneled rau tus kws sau keeb kwm.

Zog & Lub Zog.Substations, hnub ci ua liaj ua teb, txuas ntxiv txuas ntxiv. Cov pawg: Schneider M580 lossis ABB AC500 (kev ntseeg siab, IEC 61850 kev txhawb nqa), cov khoom siv hluav taws xob rov ua dua, cov kev sib txuas lus nyuaj.

Pwm & Tooling.Txhaj tshuaj molding thiab ntau- txheej txheem txheej txheem. Cov pawg: Siemens S7-1500 lossis Mitsubishi iQ-R nrog cov lus tsa suab CPU, servo tsav siab, HMI rau kev tswj daim ntawv qhia.

Kev kho dej.Pumping stations, dosing, filtration. Cov pawg: Schneider M221 lossis M580 nrog telemetry modules, Modbus-RTU txuas mus rau qhov chaw nyob deb, SCADA hauv nruab nrab chav tswj.

Txhua qhov ntawm cov pawg no tuaj yeem muab tau los ua ib pob khoom los ntawm ntau yam -brand B2B distributor - pab tau thaum OEM tab tom tsim kev sib tw rau kev xa tawm.

Yuav Ua Li Cas Tau Txais PLC hauv 2026: Zam 5 Feem Ntau Yuav Ua Tsis Tau

Original vs Refurbished vs Grey Market

• Original (tshiab, tshiab)- Hoobkas- kaw, tag nrho cov chaw tsim khoom warranty, firmware tam sim no. Nov yog qhov koj xav tau.
• Rov kho dua- Ib chav siv uas tau sim thiab rov ua dua tshiab. Tus nqi qis dua, tab sis firmware thiab cov khoom muaj hnub nyoog tseem ceeb. Tsuas yog yuav los ntawm cov neeg muag khoom uas qhia meej meej txog cov xwm txheej refurbished.
• Grey lag luam- Cov units raug xa tawm sab nraud ntawm cov chaw tsim khoom cov channel. Feem ntau raug cai kho vajtse, tab sis lub hom yuav tsis hwm lub warranty.

Nug kom meej:"Puas yog lub Hoobkas no- tshiab, kaw, thiab nrog lub chaw tsim khoom- tawm warranty?"Tus neeg muag khoom muaj npe nrov yuav teb rau hauv ib kab lus.

Yog vim li cas "Nyob rau hauv Tshuag" Qhov tseem ceeb

Xyoo 2026, cov sij hawm coj mus ncaj-los ntawm- cov neeg muag khoom PLC tseem tuaj yeem nyob ntawm 4 txog 26 lub lis piam nyob ntawm tus qauv, cheeb tsam, thiab lub ntiaj teb semiconductor cycles. Tus neeg muag khoom nrog lub cev cov khoom muag hauv lawv lub tsev khaws khoom yog qhov sib txawv ntawm kev xa khoom raws sijhawm thiab piav qhia txog 3 lub hlis ncua rau koj cov neeg siv khoom.

Tso cai Distributor vs Cross -Border B2B Supplier

• Tso cai distributorsmuab cov chaw tsim khoom lag luam- thim rov qab thiab kev txhawb nqa lub npe nruj tshaj plaws, tab sis feem ntau ntawm cov npe tag nrho, nrog rau qhov project- tau tsav lub sij hawm ua, thiab feem ntau txwv rau ib lub npe.
• Hla - ciam teb B2B cov chaw muag khoom(xws li CHENTUO) muab ntau- hom khoom muag, hauv - muaj Tshuag, tus nqi sib tw, thiab xa khoom sai. Kev lag luam tawm -tawm: koj yuav tsum paub meej tias qhov tseeb, cov ntsiab lus lav, thiab tom qab- kev muag khoom txhawb nqa ua ntej.

Ob leeg muaj lub luag haujlwm raug cai. Feem ntau OEMs siv ob qho tib si - tso cai raws rau warranty- tseem ceeb pem hauv ntej- cov phiaj xwm kab, thiab B2B cov chaw muag khoom rau cov khoom seem, rov ua dua tshiab, thiab lub sijhawm- kev xa khoom sai.

Lub Warranty tiag tiag zoo li cas

Ib tus neeg muag khoom B2B ntseeg tau yuav tsum muaj:

• Lub sijhawm lav tau hais meej meej (12 lub hlis yog tus qauv)
• Ib qho kev xa rov qab tau hais tseg-thiab- qhov rai nyiaj rov qab
• Kev txhawb nqa kev xaiv, xaim, thiab commissioning
• Cov duab tiag tiag lossis serial tooj ntawm kev thov

Cov chij liab: vague warranty wording, tsis muaj serial tooj nthuav qhia ua ntej them nyiaj, tsis muaj kev sib cuag, thiab them nyiaj tsuas yog los ntawm untraceable raws.

Red Flags Thaum Yuav PLCs Online

Kev xav zaum kawg: Kho PLC raws li 20-Xyoo Asset

Ib qhov zoo- xaiv, zoo-PLC tau txais txiaj ntsig yuav ua tiav feem ntau ntawm cov engineers uas tau teeb tsa. Nws yuav khiav tib lub voj voog scan, ntawm tib lub logic, rau ob xyoo caum - ntsiag to, ntseeg tau, nrog xoom ua yeeb yam. Ib qho kev xaiv tsis zoo lossis cov khoom tsis zoo yuav haunt koj pab neeg tu kom ntev li ntev tau.

Xaiv los ntawm daim ntawv thov thawj, hom thib ob, thiab tus muag khoom thib peb - tab sis tsis txhob hla ib qho ntawm peb.

Yog tias koj tab tom txiav txim siab qhov project tshiab, hloov qhov kawg - ntawm - lub neej tswj, lossis nrhiav cov khoom tswj kom tiav thoob plaws ntau lub npe, CHENTUO muab cov khoom qub Siemens, Schneider, Allen-Bradley, Mitsubishi, Omron, thiab ABB PLCs, nrog 12{{6}, 4hmon, thiab warranty lub sijhawm engineer-level pre-muag kev them nyiaj yug.

Tshawb xyuas cov khoom lag luam thiab thov qhov kev tsocai

los yog tham ncaj qha rau peb automation engineer txog koj daim ntawv thov.

Kev sab laj pub dawb

FAQ

 

 

01.PLC sawv cev rau dab tsi thiab nws yog dab tsi hauv cov ntsiab lus yooj yim?

PLC sawv rauProgrammable Logic Controller. Hauv cov ntsiab lus yooj yim, nws yog lub khoos phis tawj muaj zog uas nyeem cov sensors, khiav cov kev tswj hwm, thiab hloov cov khoom tawm los tswj cov tshuab - ntseeg tau, nyob rau lub sijhawm, tau ntau xyoo.

02.Qhov txawv ntawm PLC thiab PAC yog dab tsi?

PAC (Programmable Automation Controller) yog qhov tseem ceeb ntawm PLC nrog kev ua haujlwm zoo ntawm CPU, kev tuav cov ntaub ntawv ntau dua, thiab kev sib koom ua ke ntawm kev txav, kev pom, thiab kev tswj cov txheej txheem. Niaj hnub nimno siab -kawg PLCs thiab PACs nce sib tshooj; daim ntawv lo tseem ceeb tsawg dua qhov tseeb specifications.

03.PLC hom twg yog qhov zoo tshaj plaws rau cov pib thiab cov tshuab me me?

Rau cov engineers tshiab thiab cov tshuab yooj yim, Siemens S7-1200 thiab Mitsubishi FX5 yog qhov nkag tau yooj yim tshaj - kev qhia ntau, nkag qis- theem nqi, thiab cov neeg siv loj hauv zej zog. Allen-Bradley Micro800 yog qhov kev xaiv muaj zog rau North American cov haujlwm.

04.PLCs sib txawv li cas?

Yog, tab sis tsis natively. Feem ntau tus ntoo khaub lig-kev sib txuas lus hom lag luam siv cov txheej txheem nruab nrab - Modbus TCP, OPC UA, lossis MQTT - lossis lub rooj sib tham tshwj xeeb. Npaj rau qhov no txij hnub ib yog tias koj tab tom sib xyaw hom.

05.Dab tsi yog lub sijhawm ua haujlwm rau kev muab PLCs zoo li Siemens S7-1500 los ntawm Tuam Tshoj?

Los ntawm ib qho hauv -Tshuag B2B tus neeg muag khoom zoo li CHENTUO, ntau Siemens S7-1500 modules xa tuaj hauv 48 teev, nrog DHL lossis FedEx xa mus rau ntau lub tebchaws hauv 3-7 hnub ua haujlwm. Cov qauv uas tsis nyob hauv Tshuag feem ntau siv 2-6 lub lis piam nyob ntawm kev teeb tsa.

06.PLC feem ntau siv sijhawm ntev npaum li cas hauv kev lag luam?

PLC tau teev tseg kom raug yuav ua haujlwm tau zoo rau 15-25 xyoo. Cov hom kev ua tsis tau zoo tshaj plaws yog cov roj teeb poob qis (yooj hloov tau yooj yim), lub zog - khoom siv degradation, thiab tsis siv cov cuab yeej programming - tsis yog CPU nws tus kheej.