Rea u amohela! Haeba u ikutloa u tšoenyehile ka ho ithuta mananeo a plc, ha u mong. O ka qala o se na boiphihlelo mme o ntse o sebetsa hantle. PLCs thusa ho laola hore na ho sebelisoa lintho tse kae ha ho etsoa likhalase. Ba boloka ho sebetsa ha lijo ho bolokehile. Ba boetse ba etsa hore tlhahiso ea pampiri e sebetse hantle. O tla bona PLCs mefuteng e mengata ea mesebetsi, joalo ka matla le likoloi. Sheba mabitso a mang a holimo tafoleng e ka tlase:
Industry | hlokomelehang PLC Brands |
|---|---|
difeme | Siemens, Allen-Bradley |
Energy | Siemens, Schneider Electric |
Kfz-Händler | Siemens, Allen-Bradley |
The PLC mmaraka o ntse o hola. Sena se bontša kamoo litsebo tsena li leng bohlokoa kateng.
PLC Metheo ea Mananeo
Ke eng PLC?
U ka botsa eng balaoli ba logic ba ka khonehang ba. Lisebelisoa tsena li shebahala joaloka lik'homphieutha tse nyenyane. Ba etsa ho fetang lipalo feela. Litaolo tsa logic tse hlophisehang li thusa ho laola mechini lifemeng. U ba bona liindastering tse ngata. Mona ke seo lihlopha tse holimo tsa li-automation li se buang ka li-control tsa logic tse hlophisehang:
Taolo ea logic e hlophisehileng ke komporo e nyane, e tiileng e etselitsoeng mesebetsi e khethehileng.
Litaolo tsa logic tse ka reroang li nkile sebaka sa li-relay tsa khale tsa mochini.
Ba fetotse lifeme ka ho nolofatsa li-automation, ho boloka chelete, le ho thusa hore lintho li tsamaee hantle.
Nahana ka li- logic controller tse ka khonehang e le boko ba litsamaiso tse ikemetseng. Ba etsa khetho ba sebelisa lintlha tse tsoang ho li-sensor le li-switches.
Ke Hobane'ng ha U Ithuta PLC Lenaneo?
Ho ithuta plc programming ho u thusa ho fumana mesebetsi likarolong tse ngata. U qala ho sebetsa ka mechini le ho lokisa mathata. U thusa lik'hamphani ho sebetsa betere. Balaoli ba logic ba ka reroang ba etsa lintho tsa bohlokoa:
Laola ha mechine e qala le ho emisa
Sheba mehala ea tlhahiso
Lisebelisoa tsa ho thusa ho buisana
Thusa ka mosebetsi oa kopano
Sebelisa kelello ho etsa hore mosebetsi o potlake hape o bolokehe
Ha u ithuta mananeo a plc, bahiri baa u hlokomela. A PLC Setifikeiti sa setsebi se u thusa ho hlahella. U sebetsa ka mokhoa o sireletsehileng le ka potlako. U ka sebetsana le merero e meholo le ho fumana boikarabelo bo bongata. Mmaraka oa mesebetsi bakeng sa balaoli ba logic ba nang le mananeo o ntse o hola. Lifeme li khutlela US Theknoloji e ncha e fetola tsela eo lintho li etsoang ka eona. PLC baetsi ba mananeo ba ka fumana chelete e fihlang ho $70,452. Litlaleho tse ling li re mesebetsi e ka 'na ea theoha ka 7% ho tloha 2018 ho ea 2028. Empa merero e mecha ea boiketsetso e ntse e hlaha.
batlehang
Pele o qala lenaneo la plc, o hloka tsebo ea mantlha. Lenane la tlhahlobo le bonolo ho u thusa ho itokisetsa:
Ithute mehopolo ea mantlha ea motlakase joalo ka lipotoloho le litsamaiso tsa taolo.
Tseba li-controller tse fapaneng tse hlophisehang le seo ba se etsang.
Qala ho ithuta ho beha mabaka ka lere, e leng tsela e bonolo ka ho fetisisa ea ho hlophisa lilaoli tsa logic tse hlophisehang.
Khetha a PLC sethaleng, joalo ka Allen Bradley kapa Siemens.
Kenya software ea ho hlophisa komporo ea hau.
Bala libuka le litataiso tse tsoang ho PLC moetsi.
Haeba u batla ho tseba haholoanyane, sheba tsena lisebelisoa tsa ba qalang:
Lisebelisoa | Tlhaloso |
|---|---|
PLC Lisebelisoa tsa Koetliso bakeng sa Litheknishiene, Litsebi tsa Motlakase, Basebelisi le Baenjiniere | Lithupelo le livideo tsa mahala ho li-controller tsa logic tse hlophisehang, lisebelisoa, mananeo, tharollo ea mathata le moralo. |
PLC Mananeo A ETSOE BOnolo (Boemo ba 1) | Thupelo e sebetsanang le hardware, ho seta sistimi, le ho qala ka ho nahana ka lere. |
Keletso: Khetha e le 'ngoe PLC sethaleng 'me u itloaetse litaelo tsa motheo tsa lere tse kang XIC, XIO, le OTE. Sena se tla u thusa ho theha motheo o tiileng bakeng sa balaoli ba logic ba ka khonehang.
Lere Logic Overview
Ladder Logic ke Eng?
U ka ’na ua ipotsa hore na ke eng lere logic programming bolela. Ke mokhoa oa ho bolela a PLC seo u lokelang ho se etsa ka ho sebelisa litšoantšo tse shebahalang joaloka li-circuits tsa khale tsa motlakase. Lenaneo la lere la logic le sebelisa matšoao le mela, kahoo o ka bona hore na lintho li hokahane joang. Ha u sheba litšoantšo tsa lere, u bona mela e ’meli e emeng e bitsoang rails. Limela tsena li sebetsa joalo ka mohloli oa matla le fatše. Pakeng tsa tsona, u fumana mela e tšekaletseng e bitsoang li-rung. Rung ka 'ngoe e bonts'a mohato oa ts'ebetso ea taolo. Lits'oants'o tsa logic tsa lere li etsa hore ho be bonolo ho uena ho latela phallo ea motlakase le mohopolo. Haeba u na le semelo sa motlakase, lenaneo la ladder logic le utloahala le tloaelehile. Ha ho hlokahale hore u be setsebi sa k'homphieutha ho qala lenaneo la ladder logic. U hloka feela ho ithuta ho bala litšoantšo tsa lere le ho utloisisa hore na letšoao ka leng le bolela eng.
Keletso: Lenaneo la lere la logic le boetse le bitsoa litšoantšo tsa lere kapa LD. Sebopeho sena se shebahala joaloka lere, se nang le lithapo tsa logic tse kopanyang liporo.
Lintlha tsa setšoantšo sa lere
Ha o qala lenaneo la lere la logic, o sebetsa ka likarolo tse fapaneng litšoantšong tsa lere. Likarolo tse kholo li kenyelletsa liporo tsa motlakase, lihokelo tse otlolohileng, le lihokelo tse emeng. Mona ke tafole e bonolo ho u thusa ho utloisisa litšoantšo tsa lere:
Mofuta oa Element | Tlhaloso |
|---|---|
Matla Rails | Mela e emeng lehlakoreng ka leng la litšoantšo tsa lere. Li bontša moo matla a kenang le ho tsoa. |
Horizontal Link Element | Methalo e tshekaletseng e fetisang naha ho tloha ho le letshehadi ho ya ho le letona ho diagram tsa logic tsa lere. |
Vertical Link Element | Mela e otlolohileng e tšelang lihokelo tse tšekaletseng. Li bontša OR boemo ka litšoantšo tsa lere. |
U boetse u sebelisa mabitso, li-coil, le li-timers lenaneong la lere la logic. Mabitso a sebetsa joalo ka li-switches. Ba lumella ho phalla ha hona joale kapa ho e emisa. Li-coils ke lihlahisoa. Ba bulela kapa ba tima lintho. Linako li eketsa tieho, kahoo liketso li etsahala ka mor'a nako e behiloeng. Ha u itloaetsa ho etsa mananeo a lere, u ntlafala ho utloisisa litšoantšo tsa lere le hore na karolo ka 'ngoe e sebetsa 'moho joang.
Liheke tsa Logic
Liheke tsa logic li u thusa ho laola hore na matšoao a tsamaea joang lenaneong la lere la logic. U sebelisa liheke tse kang LE, KAPA, 'me E SE ka litšoantšo tsa lere. Heke ka 'ngoe e na le mosebetsi o khethehileng. Mona ke pono e potlakileng ea hore na ba sebetsa joang litšoantšong tsa lere la logic:
LE Heke: E bulela tlhahiso ha feela dikenyo tsohle di buletswe.
KAPA Heke: E bulela tlhahiso haeba ho kenya letsoho ho buletsoe.
ESENG Kgoro: E fetola se kentsweng. Haeba e butse, tlhahiso ea tima.
NAND Heke: E tima tlhahiso ha feela lintho tsohle tse kenang li buletsoe.
NOR Heke: E bulela tlhahiso ha feela dikenyo tsohle di timme.
XOR Heke: E bulela tlhahiso haeba lintho tse kenang li fapane.
XNOR Heke: E bulela tlhahiso haeba lintho tse kenang li tšoana.
Tafole ke ena ho u thusa ho utloisisa litšoantšo tsa lere le hore na liheke li shebahala joang lenaneong la lere la logic:
Keke ea logic | Lere Logic Representation |
|---|---|
LE Heke | Y = A * B |
KAPA Heke | Y = A + B |
ESENG Kgoro | Y = (!A) |
NAND Heke | Y = (!(A*B)) |
NOR Heke | Y = (!(A + B)) |
EX-OR Heke | Y = (A*(!B)) + ((!A)*B) |
EX-NOR Heke | Y = (AB) + ((!A)(!B)) |
Ha u sebelisa lere logic programming, u etsa litšoantšo tsa lere ka liheke tsena ho laola mechine. U ka etsa litšoantšo tse bonolo kapa tse rarahaneng tsa lere. Ha u ntse u itloaetsa ho etsa mananeo a lere, ho ba bonolo ho theha le ho rarolla litharollo tsa litepisi.
PLC Mehato ea Lenaneo
Ithuta Lenaneo la PLC e ikutloa e le bonolo haholo ha u e arola ka mehato e hlakileng. Ha re tsamaeeng karolo ka 'ngoe hammoho. U tla bona mokhoa oa ho tloha mohopolong ho ea lenaneong le sebetsang. Re tla sebelisa mohlala o bonolo: ho bonesa lebone ka switch.
Khetholla Bothata
Morero o mong le o mong o qala ka bothata bo lokelang ho rarolloa. U hloka ho tseba seo u batlang hore sistimi ea hau ea othomathike e e etse. Mona ke kamoo o ka khethollang bothata bo lumellanang le mananeo a plc:
Hlalosa seo u batlang hore tsamaiso e se etse. Mohlala, "Latetsa lebone ha ke tobetsa switch."
Thathamisa lisebelisoa tsohle tsa ho kenya (joalo ka li-switches kapa lisensara) le lisebelisoa tse tsoang (joalo ka mabone kapa li-motor).
Etsa qeto ea hore na u hloka logic efe. Na lebone le lokela ho lula le khantšitsoe ho fihlela o tobetsa switch hape? Kapa oa tima ha u tlohela?
Nahana ka polokeho. Na ho na le motho ea tla utloa bohloko haeba ho e-na le ntho e sa tsamaeeng hantle?
Merero e mengata e qalang e sebelisa lenaneo la plc ho rarolla mathata a kang ana:
Taolo ea mabone a sephethephethe
Taolo ea boemo ba metsi
Conveyor lebanta automation
Taolo ea monyako oa karache
Boiketsetso ba lapeng (joalo ka mabone kapa libapali)
Keletso: Qala ka morero o monyenyane, o kang ho khantša lebone ka switch. Sena se u thusa ho ithuta lintho tsa motheo pele u fallela ho litsamaiso tse kholoanyane.
Wiring le Diagrams
Hang ha o tseba bothata ba hau, o hloka ho hokahanya lisebelisoa tsa hau ho PLC. Wiring ke karolo e kholo ea mananeo a plc. U tlameha ho latela litšoantšo tse tloaelehileng tsa wiring ho boloka lintho li bolokehile ebile li hlophisehile.
Motlakase oa Phepelo ea Matla: Connect the PLC ho ea mohloling o nepahetseng oa motlakase oa AC kapa oa DC.
Ntho e 'ngoe: Lula u itokiselitse PLC. Sena se sireletsa uena le lisebelisoa tsa hau.
Lisebelisoa tsa Wiring le Liphetho: Boloka lithapo tsa ho kenya (joaloka li-switches) le lithapo tse tsoang (joaloka mabone) li arohane. Sena se thusa ho thibela lerata la motlakase le tšitiso.
Pele o qala wiring, hopola mehato ena ea polokeho:
Sheba likotsi sebakeng sa hau sa mosebetsi.
Sebelisa Lockout-tagout (LOTO) ho etsa bonnete ba hore mechini ha e sebetse ha u ntse u sebetsa.
Apara lisebelisoa tsa tšireletso, joalo ka liatlana le likhalase.
Lekola lithapo tsa hau pele o bulela motlakase.
Lekola habeli hore lisebelisoa tsohle tsa polokeho lia sebetsa.
Tlhokomeliso: Le ka mohla u se ke ua potlakela ho kenya mohala. Mosebetsi o hlokolosi o boloka uena le lisebelisoa tsa hau le bolokehile.
Kenya Software
U hloka software e khethehileng ho ngola le ho leka mananeo a hau a plc. Mefuta e mengata e fana ka li-platform tse bonolo ho qala:
Siemens TIA Portal
Codesys
Beckhoff TwinCAT
B&R Automation Studio
Khetha software e lumellanang le ea hau PLC letšoao. E kenye khomphuteng ea hau. Mananeo a mangata a tla le lithupelo ho u thusa ho qala.
Inthaneteng
PLChangata o hloka ho bua le lisebelisoa tse ling. Marang-rang a lumella ea hau PLC arolelana data kapa fumana litaelo ho tsoa komporong. Mona ke tse ling tsa likhetho tse tloaelehileng tsa marang-rang:
Khetho ea Marang-rang | Tlhaloso |
|---|---|
I/O e hole | E laola lintho tse kenang le tse hlahisoang u le hole ka ho sebelisa likhoele kapa fiber optics. |
Marang-rang a Lithaka-ho-Lithaka | Lihokela tse 'maloa PLCs hammoho e le hore ba ka arolelana data. |
Lihokelo tsa Khomphutha ea Host | Khokahano PLCs ho likhomphutha bakeng sa ts'ebetso ea data le mananeo a mangata. |
Ha u theha marang-rang, u ka tobana le mathata a 'maloa:
Lisebelisoa li tlameha ho lumellana le ho sebetsa hammoho.
Liphoso tsa logic li ka etsahala haeba u sa leke lenaneo la hau.
Tšireletso ke ea bohlokoa. Sireletsa hao PLC ho tsoa ho barekisi.
Tlhokomelo e boloka sistimi ea hau e sebetsa hantle.
Ho ithuta ho nka nako, kahoo e-ba le mamello ho uena.
Keletso: Qala ka likhokahano tse bonolo. Kenya lisebelisoa tse ling ha u ntse u phutholoha.
Ngola Lenaneo
Joale ho tla karolo e monate-ho ngola lenaneo la hau la plc! Mona ke tataiso ea mohato ka mohato:
Rera lenaneo la hau. Thala setšoantšo kapa u ngole seo u batlang ho se etsahalla.
Bula PLC Software.
Theha projeke e ncha ebe u khetha ea hau PLC Mohlala.
Kenya palo bakeng sa ketso e 'ngoe le e 'ngoe. Mohlala oa rona, o tla eketsa molumo o khantšang lebone ha o tobetsa switch.
Eketsa maemo ha ho hlokahala. Mohlomong u batla hore lebone le time ha u lokolla switch.
Lekola lenaneo la hau ho software.
Ngola tsohle. Li-labels tse ntle li thusa uena le ba bang ho utloisisa mosebetsi oa hau.
Mona ke tafole e bonolo bakeng sa mohlala oa rona oa ho fetola leseli:
Ho kenya / ho tsoa | Tlhaloso |
|---|---|
IN1 | SWITCH1 (Hangata e Bulehile) |
KHAOLO1 | Leseli la relay coil CR1 |
Mokhoa oa motheo oa lere bakeng sa sena o ka shebahala tjena:
|----[ ]----( )----|
IN1 OUT1
Ha o tobetsa konopo (IN1), lebone (OUT1) lea buleha.
Etsisa le Teko
Pele u sebelisa lenaneo la hau ho lisebelisoa tsa 'nete, u lokela ho le leka. Ketsiso e u thusa ho fumana liphoso ntle le ho beha kotsi kotsing.
Mokhoa o Molemo ka ho Fetisisa | Tlhaloso |
|---|---|
Tšebeliso ea li-simulators | Leka PLC li-simulator tsa software ho lekola khoutu ea hau ka mokhoa o sireletsehileng. |
Libaka tse arohaneng | Boloka liteko tsa hau le litsamaiso tsa 'nete li arohane. |
Litokomane Tse Loketseng | Ngola seo u se fetolang le hore na ke hobane'ng. |
Lisebelisoa tse ling tse tsebahalang tsa papiso bakeng sa ba qalang li kenyelletsa:
Codesys (mahala)
Do-More Simulator (mahala)
OpenPLC Mohlophisi (mahala)
EasyPLC (e lefelletsoe)
Machine Simulator (e lefuoang)
Ipotse lipotso tsena ha u khetha simulator:
Na e tšehetsa puo eo u batlang ho e sebelisa?
A na u ka lekola khoutu ea hau ka nako ea nnete?
Na ke mahala kapa e ka rekoa?
Tlhokomeliso: Kamehla leka lenaneo la hau ho simulator pele u le sebelisa mochining oa 'nete. Sena se boloka uena le lisebelisoa tsa hau le bolokehile.
Ha u qeta ho etsa liteko, kenya lenaneo la hau ho PLC. Sheba kamoo e sebetsang kateng ka lisebelisoa tsa sebele. Haeba ho hong ho sa sebetse, khutlela morao 'me u lokise mohopolo oa hau. Ho etsa liteko le ho rarolla mathata ke likarolo tsa bohlokoa tsa mananeo a plc.
Malebela a ho rarolla mathata
Liphoso Tse Tloaelehileng
U ka 'na ua thulana le mathata a seng makae ha u qala ho sebetsa le PLCs. U se ke ua tšoenyeha—e mong le e mong o etsa liphoso qalong! Mona ke tse ling tsa liphoso tse etsahalang khafetsa ba qalang:
Thero e fosahetseng pele ho lenaneo. Haeba u ka tlola ntle le moralo o hlakileng, lintho li ka senyeha kapele.
Ho iphapanyetsa nako ea potoloho ea scan. PLCs sebetsa ka lipotoloho, 'me ho se tsebe hore na sena se ama khoutu ea hau joang ho ka baka lintho tse makatsang.
Ho sebelisa nako ho feta tekano le linako. Li-timers tse ngata haholo li ka etsa hore sistimi ea hau e sebetse ka mokhoa o makatsang kapa e se ke ea tšepahala.
Ho hlokomoloha maikutlo le litokomane. Haeba u tlola ho ngola lintlha khoutu ea hau, ho lokisa mathata hamorao ho ba thata le ho feta.
E hloleha ho etsisa kapa ho etsa teko ka nepo. Ho kenya khoutu ntle le liteko ho ka ba kotsi, haholo-holo bakeng sa litsamaiso tsa bohlokoa.
Keletso: Kamehla iphe nako ea ho rera morero oa hau 'me u ngole hore na karolo e' ngoe le e 'ngoe ea khoutu ea hau e etsa eng. Sena se tla u bolokela hlooho hamorao!
Mehato ea ho lokisa liphoso
Ha ho hong ho sa sebetse, o hloka leano le letle la ho fumana le ho lokisa bothata. Leka mehato ena ho etsa hore debugging e be bonolo:
Sheba hore litaelo tse kang IF-THEN-ELSE, li-timers, le li-counters li hlophisitsoe ka nepo.
Lekola lipalo tsa hau habeli, haholo haeba u sebelisa data ea sensor.
tshebediso lisebelisoa tsa ho lokisa liphoso ho software ea hau:
Sheba Fesetere e etsa hore u bone litekanyetso li fetoha ka nako ea sebele.
Likhathatso thusa ho ema hanyane mme o shebe se etsahalang.
Phethahatso ea Mohato o le Mong e u fa monyetla oa ho sebelisa khoutu ea hau mola o le mong ka nako.
Etsa bonnete ba hore lithapo tsohle le likhokahano li tiile 'me li sebakeng se nepahetseng.
Sheba likhoutu tsa liphoso ho PLC tataiso. Hangata likhoutu tsena li u supa bothateng.
Botsa lipotso ka liforomo tsa inthaneteng. Mohlomong basebelisi ba bang ba rarolotse bothata bo tšoanang.
Sebetsa mohato ka mohato. Qoba ho fetola lintho tse ngata ka nako e le 'ngoe.
Lekola 'me u ngole phetoho e' ngoe le e 'ngoe pele u e sebelisa lisebelisoa tsa' nete.
Leka software ea ketsiso ho tšoara liphoso pele li baka mathata.
Sebelisa taolo ea mofuta ho boloka tlaleho ea liphetoho tsa khoutu ea hau.
Ho Ithuta Haholoanyane
U ka tsoela pele ho haha litsebo tsa hau ka lisebelisoa tse ling tse kholo. Nahana ka moralo oa tšebeliso ea chelete, seo u batlang ho ithuta sona le kamoo u ratang ho ithuta kateng. Lithuto tsa mahala ke mokhoa o motle oa ho qala. Libuka li ka thusa haeba u batla kutloisiso e tebileng.
Ea Inthaneteng PLC Koetliso ea Setsebi sa Mananeo e u fa monyetla oa ho fumana moputso ha u ntse u ithuta. U fumana lisebelisoa tsohle le lisebelisoa tse eketsehileng ho u thusa ho ithuta haholoanyane.
Mona ke ho sheba ka potlako lithuto tse ling tse tsebahalang:
Sehlooho sa thuto | Seo re Ithutang Sona | Nete | Certificate | Lintlha (Maikutlo) |
|---|---|---|---|---|
PLC Lenaneo ho tloha Scratch 1 | 20 | Qala | E | 4.9 (18 maikutlo) |
PLC Mananeo A ETSOE BOnolo (Boemo ba 1) | 47 | Qala | E | 4.7 (12 maikutlo) |
LIKHOUTU 1: Selelekela ho PLC mananeo | 58 | Qala | E | 0.0 (0 maikutlo) |
IIoT Basics: Smart Sensors & Actuators in Automation | 15 | Qala | E | 4.8 (56 maikutlo) |
U ka boela ua sheba libuka tsena:
Batsamaisi ba Monahano ba Kentsoeng ka Frank Petruzella e akaretsa tsohle tseo o hlokang ho di tseba ha o qala.
Balaoli ba Logic ba Reriloeng ka William Bolton ke khetho e bonolo ea lichelete 'me e kenyelletsa chate e sebetsang bakeng sa ho ithuta.
Tsoela pele ho itlhakisa, botsa lipotso, 'me u hlahlobe merero e mecha. O tla ntlafala letsatsi le letsatsi!
Hona joale u tseba lintho tsa motheo, joalo ka wiring le ho etsa lenaneo la hau la pele. Leka merero e mecha ho ithuta haholoanyane. Lekola khoutu ea hau ho simulator ho fumana liphoso esale pele. Haeba u na le mathata, ho a lokisa ho u thusa ho ithuta.
Ha u qeta morero, u ikutloa u le motlotlo. U bona kamoo lere logic e sebetsang kateng bophelong ba sebele.
Ho thusa ka merero e fapaneng ho o thusa ho ithuta tsebo e ncha. U boetse u itšepa haholoanyane.
Tsoela pele ho ithuta 'me u leke lihlooho tse thata. U ntlafatsa nako le nako ha u ikoetlisa!
LBH
E etsa eng PLC emela?
PLC e emetse Programmable Logic Controller. U e sebelisa ho laola mechini le lits'ebetso lifemeng. E sebetsa joalo ka boko bakeng sa boiketsetso.
Na nka ithuta PLC ho etsa mananeo ntle le lengolo la boenjiniere?
E, u ka khona! U hloka feela bohelehele le mamello. Ba bangata ba qalang ba qala ka lithuto tsa inthaneteng le merero e bonolo. Ha o hloke tsebo e tsoetseng pele ea lipalo kapa ea boenjiniere.
eo PLC na ke lokela ho khetha lebitso la mofuta ofe joalo ka ea qalang?
U ka qala ka Allen-Bradley kapa Siemens. Mefuta ena e fana ka tse ngata batataisi ba qalang le liteko tsa mahala tsa software. U fumana thuso e ngata inthaneteng bakeng sa bobeli.
Ke leka jwang ba ka PLC lenaneo ka mokhoa o sireletsehileng?
Leka ho sebelisa simulator pele. O ka hlahloba khoutu ea hau ntle le ho beha lisebelisoa tsa 'nete kotsing. Tse ngata PLC lisebelisoa tsa software li na le li-simulator tse hahelletsoeng ho ba qalang.
Lere logic ke eng?
Ladder logic ke mokhoa oa ho ngola litaelo tsa PLCs. U sebelisa matšoao a shebahalang joaloka lere. Rung ka 'ngoe e bonts'a mohato oa ts'ebetso ea hau ea taolo.
