Modular PLC vs Compact PLC: Yuav Ua Li Cas Xaiv, Kho, thiab Tau Qhov Zoo

Koj nyob ntawm no rau ib qho ntawm peb qhov laj thawj. Koj cov kab tau nthuav dav, thiab tus maub los tau khiav tawm ntawm qhov qhib. Koj tab tom rov txhim kho lub vaj huam sib luag qub, thiab tsis muaj leej twg khaws cov ntawv ntxiv lawm. Los yog ib qho module ua tsis tau tag kis no; tus neeg muag khoom hais tias nws tsis txuas ntxiv, thiab kab poob qis thaum koj nyeem qhov no.

Feem ntau cov qhia yuav qhia rau koj aPLC tswj moduleyog hloov tau ntau tshaj ibCompact PLC. Muaj tseeb, thiab tsis yog cov lus nug uas koj xav tau teb.

Teb ceev:Lub modular PLC feem ntau yog txoj cai thaum I / O suav siab lossis xav tias yuav loj hlob, thaum nthuav dav tshwm sim nyob rau hauv theem, thaum cov khoom siv teb tau nthuav dav rau thaj tsam loj, thiab thaum cov nroj tsuag xav tau cov khoom seem hauv kaum xyoo. Lub compact PLC feem ntau yog tsim nyog rau ib lub tshuab standalone nrog ib tug ruaj I / O suav, txwv vaj huam sib luag qhov chaw, thiab ib tug nruj pob nyiaj siv.

Hauv qab no: ib qho kev sib piv rau 6 hom, 6 kauj ruam BOM kev ua haujlwm, plaub txoj hauv kev rau kev hloov cov khoom siv tsis txuas ntxiv, thiab cov lus teb ncaj nraim ntawm cov sij hawm txhuas thiab qhov tseeb. PebPLC modulenplooj ntawv npog cov tsev neeg module lawv tus kheej; phau ntawv qhia no ncaj qha mus rau qhov kev txiav txim siab.

1. Dab tsi tiag zaum hauv lub khib

Modular programmable logic maub los tsis yog ib qho khoom siv. Nws yog ib txheej ntawm cov ntawv sib cais sib koom rov qab, yog li koj yuav raws nraim daim npav daim ntawv thov xav tau thiab tsis muaj dab tsi ntxiv.

Peb ntawm cov yuam kev no rov qab los. Lawv yog cov uas tau txais ib lub rack re- hais tom qab nws twb nyob rau hauv dej.

Local khib vs faib I/O.Hauv ib lub khib nyiab hauv zos, txhua daim npav qhia ib lub dav hlau rov qab thiab txhua qhov chaw xa xov rov qab mus rau lub txee. Nyob rau hauv ib qho kev teeb tsa, me me I / O chaw nres tsheb zaum ntawm ib sab ntawm cov khoom siv thiab tshaj tawm rov qab muaj Ethernet lossis fieldbus, xws li Siemens ET 200SP, ABB S500 I / O, lossis Schneider TM3. Txoj cai ntawm tus ntiv tes xoo: yav dhau los kwv yees li 20 metres ntawm multicore cable, nqi ib qho chaw nres tsheb I / O chaw nres tsheb ua ntej koj nqi cable thiab tais. Distributed I/O txuag tooj liab thiab commissioning teev. Nws kuj ntxiv cov txheej txheem network uas tuaj yeem ua tsis tiav.

Qhov twg compact thiab modular sib tshooj.Ib qho FX5U siv cov khoom txuas ntxiv. Lub CompactLogix siv qhov kev nthuav dav hauv zos. M241 siv TM3 daim npav. Yog li qhov sib txawv tsis yog seb tus maub los tuaj yeem nthuav dav. Nws yog lub qab nthab ntawm cov ntsiab lus nthuav dav, seb CPU puas tuaj yeem hloov pauv yam tsis tau hloov lub cev thiab nws ua tau -hauv I/O, thiab yuav ua li cas thaum daim npav tuag. Ntawm ib lub khib koj pauv ib daim npav. Ntawm chav tsev me me, koj pauv tus maub los, rov qab kho qhov program, thiab rov- txiav cov xaim. Lub ciam teb tsis huv, uas yog vim li cas koj xav tau txoj cai txiav txim siab tsis yog txhais.

2. Koj txoj kab twg tiag tiag xav tau?

Qhov 7 point checklist

Txoj cai ntawm tus ntiv tes xoo, tsis yog tus qauv. Yog tias peb lossis ntau cov lus teb taw qhia rau modular, modular feem ntau yog lawm.

• I/O suav thiab kev loj hlob peb xyoos.Tsau, nyob rau hauv kwv yees li 30 ntsiab lus, thiab tsis muaj kev npaj loj hlob? Ib tug khib yog overkill.
• Phaseed expansion.Modular cia koj yuav racks tam sim no thiab daim npav tom qab.
• I/O hom kev sib txawv.RTD los yog thermocouple inputs, siab ceev txee, axis txav? Compact units khiav tawm ntawm cov kev xaiv tshwj xeeb ceev ceev.
• Teb deb.Cov cuab yeej kis tau dhau ib lub tshuab hneev taw taw rau cov qauv nrog cov chaw taws teeb I / O.
• Downtime nqi ib teev.Qhov feem ntau underrated ntsuas. Ib daim npav ua tsis tiav yog kaum feeb sib pauv ntawm lub khib, thiab kev hloov pauv hloov ntxiv rau qhov kev pab cuam rov qab rau ntawm chav tsev compact.
• Vaj huam sib luag qhov chaw thiab cua sov.Racks xav tau dav thiab airflow.
• Platform lifecycle.Muaj pes tsawg xyoo ntawm kev txhawb nqa khoom seem tshuav?

Yog tias koj tsis tuaj yeem teb nqe lus nug 7 rau lub platform uas koj tab tom yuav yuav, nug koj tus neeg muag khoom ua ntej koj xaj. Nws yog cov lus nug kim tshaj plaws uas tib neeg hla, thiab ntu 5 piav qhia vim li cas.

Qhov twg tus nqi nkhaus hla

Peb txhob txwm tsis muab ib feem pua. Txhua qhov kev thov tias lub modular PLC txuag tus lej tshwj xeeb yog nyob ntawm koj qhov sib xyaw I / O, thiab tus lej feem ntau yog tsim. Ntawm no yog tus nqi qauv hloov, uas yog qhov txiav txim siab nws.

Lub compact PLC muab tus nqi rau hnub koj yuav nws. Lub modular PLC kis nws tshaj tsib xyoos. Qhov twg yog pheej yig dua nyob ntawm seb koj txoj kab yuav hloov li cas. Lub tshuab ntim khoom ib leeg nrog 24 cov ntsiab lus ruaj khov yuav tsum tau cog lus. Ib txoj kab filling ua nyob rau hauv cov theem yuav tsum tsis txhob yuav.

3. Hom Platform Sib piv

Peb Tshuag tag nrho rau, yog li peb tsis muaj laj thawj kev lag luam los thawb koj mus rau ib qho. Ntawm no yog yuav ua li cas lawv yeej txawv.

Yog tias koj twb muaj lub hom phiaj tseem ceeb, pib ntawm kab ntawd. Yog tias koj cov khoom siv teb hais lus ib qho raws tu qauv, pib ntawm kab ke kab ke. Yog tias tsis siv, pib los ntawm kab ntawv haum.

Backplane lock-hauv: qhov koj tau cog lus tiag tiag

Koj xauv hauv peb theem, thiab tsuas yog ib qho pom tseeb.Kho vajtse:backplanes, connectors, thiab pin assignments yog proprietary, yog li ib daim card los ntawm ib lub hom yuav tsis zaum nyob rau hauv lwm hom lub khib, thiab tsis muaj adapter.Software:koj qhov kev zov me nyuam tau sau rau hauv ib tus neeg muag khoom ib puag ncig, thiab kev tsiv teb tsaws txhais tau tias rov sau dua thiab rov siv tau cov logic, tus nqi feem ntau loj dua cov khoom siv kho vajtse thiab yuav luag tsis nyob hauv cov peev nyiaj.Supply chain:tsis muaj leej twg them tus nqi no, tab sis xaiv lub platform txhais tau tias xaiv lub sijhawm uas koj nyob nrog, thiab nws cov khoom seem uas koj yuav khoom thaum daim npav tsis ua haujlwm thaum 2 teev sawv ntxov CPU yog ib qho khoom siv ib zaug. Lub backplane yog ib tug subscription.

Dab tsi tsis raug kaw: Modbus TCP, OPC UA, thiab lub rooj vag lossis chaw taws teeb I / O bridging cia cov khoom sib xyaw sib pauv cov ntaub ntawv. Koj raug kaw ntawm lub khib, tsis yog ntawm lub network.

Xaiv qhov raws tu qauv ua ntej, ces lub hom

Cov neeg feem coob xaiv PLC thiab tom qab ntawd tshawb pom lawv cov khoom siv hauv teb tau hais dab tsi. Ua lwm txoj hauv kev: khaws cov khoom koj xav tau dab tsi, sensors, thiab cov twj paj nruag twb tau tham, tom qab ntawd xaiv tus maub los uas hais lus ib txwm muaj.

Yog tias koj cov khoom siv teb hais lus peb txoj cai, koj tab tom yuav lub rooj vag lossis lub taub hau I/O tej thaj chaw deb. Cov peev nyiaj rau nws tam sim no, tsis yog thaum ua haujlwm.

Yog tias koj cov nroj tsuag twb sau cov npe sib xyaw,thiab feem ntau ua, ua qauv mus rau pem hauv ntej es tsis yog tag nrho ib zaug: cov kab tshiab qhia ib hom kev tswj hwm, cov vaj huam sib luag uas twb muaj lawm tau txuas nrog Modbus TCP lossis lub rooj vag, cov khoom seem tau koom ua ke los ntawm hom. Ripping tawm ib txoj kab ua hauj lwm los koom ua ke ib daim paib yuav luag tsis them rov qab.

Koj tau xaiv lub platform. Tam sim no tig nws mus rau hauv ib daim ntawv teev npe.

4. Tsim lub BOM: Ib Kauj Ruam Rau Kev Ua Haujlwm

Kauj Ruam 1. Suav thiab faib koj qhov I/O.Suav los ntawm hom teeb liab, tsis yog los ntawm ntaus ntawv. Ib qho VFD tuaj yeem tuav cov zis digital, cov zis analog, thiab kev sib txuas lus ib zaug, yog li suav cov khoom siv tsis raug. Sau tag, ntaus ntawv, hom teeb liab, voltage, kom muaj nuj nqis, thiab muab RTD thiab thermocouple signals rau lawv tus kheej kab: kho qhov kub thiab txias input raws li ib qho yooj yim analog input yog feem ntau txoj kev txiav txim tsis ncaj ncees lawm daim card.

Kauj ruam 2. Ntxiv lub peev xwm seem.Kev xyaum yog 15 mus rau 20 feem pua ​​​​cov ntsiab lus seem. Qhov feem ntau cov lus qhia tsis nco: tawm qhov peev xwm ntawm module thiab qhov chaw, tsis yog theem taw tes xwb. Peb cov ntsiab lus tsis siv ntawm 16 channel digital card yuav tsis pab thaum qhov kev nthuav dav tom ntej no coj plaub lub thermocouples. Koj xav tau ib qho dawb qhov qhib thiab rov qab tam sim no, thiab tsis muaj qhov tshwm sim ntawm tus lej suav.

Kauj ruam 3. Xaiv lub CPU los ntawm scan lub sij hawm, nco, thiab kev sib txuas, tsis yog los ntawm I/O suav.Point suav txiav txim siab pes tsawg daim npav thiab racks koj yuav, tsis yog CPU qib. Plaub yam ua: lub cim xeeb ntawm lub khoos phis tawj, xav tau lub sijhawm luam theej duab, kev sib txuas lus sib txuas (HMI, SCADA, MES, thiab txhua tsav ntawm lub tsheb npav txhua tus noj ib qho), thiab cov lus tsa suab. Suav cov kev sib txuas comms ua ntej I/O cov ntsiab lus. Qhov ntawd feem ntau yog qhov uas thawb koj nce qib.

Kauj Ruam 4. Txheeb xyuas cov peev nyiaj siv hluav taws xob.Qhov no yog qhov yuam kev los ntawm ntu 1, thiab feem ntau txoj kev khib tsis tau ntawm qhov chaw. Xam cov backplane tam sim no kos ntawm txhua daim npav tawm tsam qhov khoom siv hluav taws xob thiab CPU tuaj yeem xa tau, kuaj xyuas 5 V backplane tam sim no thiab 24 V daim teb khoom sib cais, vim tias feem ntau cov neeg tsuas yog xam qhov thib ob. Tau txais nws tsis ncaj ncees lawm thiab khib yuav tsis muaj zog, lossis phem dua, nws rov pib dua ib ntus thaum lub txee sov. Koj pom tias tom qab cov khoom xa tuaj tshem tawm kev lis kev cai.
 

Kauj Ruam 5. Xaiv cov kev sib txuas lus, thiab ua ke nrog HMI thiab cov tsav tsheb.Comms cards ua raws li cov txheej txheem kev txiav txim siab saum toj no. Xyuas tsav tsheb compatibility nrog kojHMI panels: tib hom yog ib txwm xoom teeb tsa, cov hom sib xyaw xav tau tus neeg tsav tsheb paub tseeb ua ntej koj xaj. Ces xyuas seb koj li casvariable zaus drivestxuas. Hardwiring ib qho analog tso zis rau ib tsav yog yooj yim tab sis siv I / O; kev tswj tsheb npav txuag kev xaim thiab siv CPU sib txuas, uas rov qab mus rau Kauj Ruam 3.

Kauj Ruam 6. Txhais cov khoom seem hauv Tshuag.Tshuag los ntawm tus nqi downtime, tsis poob tus nqi. CPU thiab fais fab mov tuaj ua ntej I / O phaib: ib daim npav tsis tau them nqi ib lub voj, CPU ua tsis tau nqi rau kab. Tom qab ntawd, npaj daim npav hom koj siv feem ntau, feem ntau yog 16 point digital input.

Qhov kev ua haujlwm no xav tias cov modules koj tau teev tseg tseem tab tom tsim. Ntau ntxiv, lawv tsis yog.

5. Discontinued Modules: Yuav ua li cas thiaj nrhiav tau txoj cai hloov

Txhua lub platform txav mus txog tsib theem: nquag, paub tab, theem tawm, txiav tawm, thiab qhov kawg ntawm cov khoom seem txhawb nqa. Ib tsev neeg tswj tau nyob ua lag luam ciaj sia li ntawm kaum mus rau kaum tsib xyoos. Ib tug ntau lawm kab khiav nees nkaum mus rau peb caug. Qhov kev tsis sib haum xeeb ntawd yog lub hauv paus ntawm txhua qhov teeb meem uas koj yuav muaj, thiab nws yog vim li cas lo lus nug 7 tseem ceeb ua ntej koj yuav.

Plaub txoj kev hloov, yooj yim ua ntej

Txoj Kev 1. Thawj tus naj npawb ntawm Tshuag.Tsis muaj dab tsi hloov: tsis muaj rewiring, tsis muaj kev hloov pauv, tsis muaj revalidation. Cov lus nug tsuas yog seb nws puas tuaj yeem pom thiab seb nws puas yog tiag. Yuav luag ib txwm yog txoj cai thawj zaug tsiv thaum muaj xwm txheej ceev.

Txoj Kev 2. Cov chaw tsim khoom lag luam ua tiav.Ntau qhov kev txiav tawm modules muaj ib daim ntawv tsim, haum, thiab kev hloov pauv uas poob rau hauv tib lub qhov. Tsis yog txhua tus ua.

Txoj Kev 3. Hla- tiam neeg tsiv teb tsaws chaw.Txav lub khib rau lub platform tam sim no. Qhov no yog engineering tiag: I / O remapping, program conversion, revalidation, tej zaum vaj huam sib luag hloov. Leej twg hu nws yooj yim tsis tau ua nws.

Txoj Kev 4. Hla -brand rebuild.Qhov chaw kawg. Kho vajtse tshiab, tshiab software, tshiab spares, tshiab kev cob qhia.

Tsib specs kom phim ua ntej hloov

1. I/O hom thiab cov ntsiab lus suav, los ntawm daim ntawv teev npe.
2. Lub teeb liab ntau thiab qhov ntsuas hluav taws xob:4 mus rau 20 mA los yog 0 mus rau 10 V, relay los yog transistor tso zis, tam sim no ib tug point, kev rho tawm. Feem ntau qhov kev hloov pauv tsis raug tshwm sim ntawm no, thiab cov lus teb yog nyob rau hauv datasheet, tsis yog cov npe.
3. Backplane thiab mechanical interface, nyob rau hauv phau ntawv xaiv.
4. Kev sib txuas lus interface thiab chaw nyob, nyob rau hauv lub configuration software.
5. Firmware thiab CPU version compatibility.Qhov feem ntau zais ntawm tsib, thiab ib qho uas tsuas yog tshwm sim ntawm qhov chaw.

Yuav xa dab tsi rau koj tus neeg muab khoom xa tuaj rau tus ntoo khaub lig- siv

Ib tus neeg muag khoom uas hais qhov hloov pauv yam tsis tau thov rau cov no yog kwv yees.

• Ib daim duab ntawm daim ntawv teev npenrog tus lej xaj kom tiav (MLFB, Cat. No., ib feem naj npawb). Tsev neeg tuav ntau ntau yam sib txawv tsuas yog hauv cov cim kawg nkaus xwb.
• Hardware thiab firmware version, tsis muaj leej twg tuaj yeem lav kev sib raug zoo nrog koj CPU.
• Ib daim duab ntawm tag nrho cov khib, qhia lub qhov layout thiab cov ntawv nyob sib ze.
• Koj daim ntawv teev npe I/O lossis kab kos duab.Tes kos yog zoo.
• Kom muaj nuj nqis thiab ceev ceev.Ib txoj kab nqes kho thiab kev txiav cov khoom txee yog cov haujlwm sib txawv.

Kab nqes? Xa daim duab kos npe thiab tus qauv naj npawb.

Peb hla - hais txog kev hloov pauv thoob plaws rau tag nrho rau lub npe, paub meej tias dab tsi yog lub cev hauv Tshuag, thiab teb hauv 24 teev.Tiv tauj peblos ntawm email lossis WhatsApp.

Kev sab laj pub dawb

6. Sourcing Reality: Lead Time, Authenticity, Ua raws

Lub sijhawm ua khoom lag luam vs lub sijhawm ua khoom lag luam.Ob txoj hlua xa khoom zaum tom qab txhua qhov hais. Distributor stock txav nyob rau hauv hnub mus rau lub lis piam, nyob ntawm seb lub warehouse tuav nws. Factory ntau lawm tsiv nyob rau hauv lub lis piam mus rau lub hlis, thiab nrov ib feem ntawm cov kab. Txoj cai tseem ceeb: thaum kab poob qis, nug dab tsi hauv Tshuag ua ntej koj nug tias nws raug nqi dab tsi. Kev poob qis yog them los ntawm ib teev, thiab ob peb feem pua ​​​​ntawm ib feem uas av hauv yim lub lis piam tsis yog kev txuag.

Tseeb, refurbished, thiab rub modules.Kev kho dua tshiab thiab rub cov modules tsis raug cai, thiab rau qhov kev ncua ntev lawv yog qee zaum tsuas yog kev xaiv uas muaj. Qhov teeb meem tsis yog ib feem yog refurbished. Qhov teeb meem yog tus neeg muag khoom tsis hais li ntawd. Tus neeg muag khoom uas qhia koj ib feem yog kho dua tshiab yog qhov muaj kev ntseeg siab dua li tus uas yuav tsis ua. Txheeb xyuas cov khoom siv nkag mus rau cov ntsaws ruaj ruaj tsis zoo, cov lej siv tau yooj yim, tus lej txheeb xyuas tau, cov cim cim ntawm cov ntsia hlau, thiab oxidation ntawm lub nraub qaum txuas. Kho tus nqi qis dua kev lag luam raws li kev ceeb toom, tsis yog kev sib tw.

Export ua raws.Nug ua ntej xa zaub mov, tsis yog tom qab: CE, UL, thiab RoHS raws li txoj cai rau qhov chaw; invoice, packing list, thiab daim ntawv pov thawj ntawm keeb kwm; HS code tau lees paub ua ntej, txij li tus lej tsis raug ncua kev lis kev cai ntau dua li lwm yam; ESD thiab noo noo tiv thaiv ntim; thiab Incoterms, vim FOB thiab DDP txiav txim siab leej twg clears kev lis kev cai thiab them lub luag hauj lwm. Peb cov txheej txheem tshuaj xyuas thiab cov ntaub ntawv yog nyob ntawm pebtxog thiab zoonplooj.

Plaub nqe lus nug tsim nyog nug ib tus neeg muag khoom.Puas yog qhov tshiab, kho dua tshiab, lossis rub, sau ntawv? Lub tsev khaws khoom twg tuav nws, thiab koj tuaj yeem thaij duab lub tsev? Puas yog lub warranty pib thaum xa khoom lossis tuaj txog, thiab leej twg them rov qab cov khoom thauj yog tias qhov khoom tuaj txog tuag? Koj puas tuaj yeem hla - hais txog tus lej tsis txuas ntxiv?

FAQ

 

 

Dab tsi yog qhov txawv ntawm modular PLC thiab compact PLC?

Lub compact PLC ntim cov CPU, fais fab mov, thiab cov txheej txheem ruaj khov ntawm I / O rau hauv ib lub cev. Ib qho modular PLC cais lawv mus rau hauv daim npav ntawm ib lub dav hlau sib koom, yog li koj teeb tsa I / O koj xav tau thiab nthuav dav tom qab los ntawm kev ntxiv cov npav es tsis txhob hloov cov maub los.

Thaum twg modular PLC tsim nyog tus nqi ntxiv?

Thaum kab yuav hloov. Tus hwm yuav pheej yig nthuav dav, kaum feeb daim npav sib pauv hloov pauv hloov pauv, thiab lub voj voog ntev dua. Yog tsis muaj dab tsi loj hlob, nws yuav koj tsis muaj dab tsi.

Kuv puas tuaj yeem sib xyaw PLC modules los ntawm ntau hom hauv tib lub khib?

Tsis yog. Backplanes, connectors, and addressing are proprietary, so a Siemens card will never work in an Allen -Bradley chassis. Cov khoom lag luam sib xyaw ua ke sib koom ua ke ntawm qib network, feem ntau dhau Modbus TCP lossis los ntawm lub rooj vag.

Kuv PLC module raug txiav tawm. Kuv cov kev xaiv yog dab tsi?

Plaub, nyob rau hauv kev txiav txim ntawm qhov nyuaj: qhov chaw thawj qhov chaw ntawm Tshuag, haum rau lub chaw tsim tshuaj paus tus neeg successor, migrate lub khib mus rau lub platform tam sim no (S7-300 rau S7-1500 nrog ET 200SP, piv txwv li), los yog rebuild ntawm lwm hom. Xa daim duab kos npe thiab firmware version rau kev siv tus ntoo khaub lig ua ntej xav tias yuav tsum muaj kev tsiv teb tsaws chaw.

Kuv yuav paub li cas yog PLC module yog qhov tseeb thiab tsis kho dua tshiab?

Tshawb xyuas cov ntsaws ruaj ruaj, daim ntawv lo luam ntawv zoo, batch code, thiab seb cov chaw tsim khoom puas tuaj yeem txheeb xyuas tus lej xov tooj. Saib cov cuab yeej cim ntawm cov ntsia hlau thiab oxidation ntawm lub nraub qaum txuas. Tus nqi qis dua kev lag luam yog ceeb toom, tsis yog kev sib tham.

Lub sij hawm ua tus coj zoo li cas rau cov qauv xws li Siemens ET 200SP lossis Allen -Bradley CompactLogix?

Nws nyob ntawm seb qhov chaw zaum hauv lub tsev khaws khoom lossis cov kab ntau lawm. Cov khoom lag luam tau txav mus rau hauv cov hnub, lub Hoobkas tau teem caij rau hauv lub lis piam lossis hli. Yog tias kab poob qis, nug dab tsi hauv lub cev hauv Tshuag ua ntej koj nug tus nqi.

8. Xaiv qhov Architecture, Tom qab ntawd Ruaj Ntseg Cov Khoom Muag

Peb qhov kev txiav txim, hauv qhov kev txiav txim no. Kev tsim vaj tsev yog txiav txim siab los ntawm I / O suav, cov phiaj xwm nthuav dav, thiab cov nqi poob qis, tsis yog los ntawm cov cuab yeej siv suab zoo dua. Hom yog txiav txim siab los ntawm koj lub hauv paus teeb tsa thiab koj cov kev cai hauv teb, thiab cog lus rau koj mus rau cov khoom siv khoom seem rau kaum xyoo. Sourcing txiav txim siab seb ib qho ntawm nws mus nyob raws li lub sijhawm, vim tias qhov zoo tshaj plaws BOM hauv ntiaj teb tsis muaj nqis dab tsi yog tias cov khoom zaum ntawm kaum rau lub lim tiam ua ntej.

Chentuo stocks modular PLC hardware hla Siemens, ABB, Allen-Bradley, Mitsubishi, Omron, thiab Schneider, suav nrog cov lej txiav tawm.

Thov ib daim ntawv tsocai →Xa cov khoom lag luam, tus qauv naj npawb, kom muaj nuj nqis, daim ntawv thov, thiab seb cov kab poob qis los yog koj tab tom npaj. Cov lus nug ceev tau teb hauv 24 teev.

Kev sab laj pub dawb