Programmable Logic Controller (PLC) bụ usoro eletrọnịkị na-arụ ọrụ dijitalụ emebere maka ngwa na gburugburu ụlọ ọrụ mmepụta ihe.Ọ na-eji ebe nchekwa mmemme iji chekwaa ntuziaka maka ịrụ ọrụ mgbagha, njikwa usoro, oge, agụta na ọrụ mgbakọ na mwepụ n'ime ya.Ọ na-achịkwa ụdị akụrụngwa dị iche iche ma ọ bụ usoro mmepụta site na ntinye na ntinye dijitalụ ma ọ bụ analog.
Programmable Logic Controller (PLC) bụ onye njikwa mgbakọ na mwepụ dijitalụ nwere microprocessor maka njikwa akpaka, nke nwere ike ịchekwa ma mebie ntuziaka njikwa na ebe nchekwa mmadụ n'oge ọ bụla.Onye na-ahụ maka programmable mejupụtara nkeji arụ ọrụ dị ka CPU, ntụziaka na ebe nchekwa data, ntinye / mmepụta ihe, ike ọkụ, dijitalụ na ntụgharị analog, wdg N'oge mbụ, ndị na-ahụ maka mgbagha mmemme nwere naanị ọrụ nke njikwa mgbagha, ya mere, ha Akpọrọ aha programmable logic controllers.Mgbe e mesịrị, na mmepe na-aga n'ihu, modul kọmputa ndị a nwere ọrụ dị mfe na mmalite nwere ọrụ dị iche iche, gụnyere njikwa mgbagha, njikwa oge, njikwa analog, na nkwurịta okwu igwe dị iche iche.A gbanwekwara aha ahụ gaa na Programmable Controller, Otú ọ dị, n'ihi esemokwu dị n'etiti PC mbiribiri na mbiri nke Personal Computer, na n'ihi omenala omenala, ndị mmadụ ka na-ejikarị okwu ahụ bụ programmable logic controller, ma ka na-eji abbreviation PLC.Ihe kacha mkpa nke PLC programmable logic control bụ kọmpụta raara nye njikwa ụlọ ọrụ.Ihe ndị bụ isi ya gụnyere: modul ọkọnọ ike, modul CPU, ebe nchekwa, ntinye I/O na mmepụta modul, modul azụ na rack, modul nkwurịta okwu, modul arụ ọrụ, wdg.
PLC Programmable Logic Controller: A maara PLC nke ọma dị ka Programmable Logic Controller na Bekee yana njikwa mgbagha mmemme na Chinese.A kọwapụtara ya dị ka sistemụ eletrọnịkị nke arụ ọrụ dijitalụ na-arụ, emebere ya maka iji na gburugburu ụlọ ọrụ mmepụta ihe.Ọ na-eji klaasị nke ebe nchekwa mmemme maka ịchekwa mmemme n'ime, na-eme ntuziaka gbadoro ụkwụ nke onye ọrụ dị ka arụmọrụ ezi uche dị na ya, njikwa usoro, usoro oge, agụta, yana arụmọrụ mgbakọ na mwepụ, yana ịchịkwa ụdị ọrụ dị iche iche ma ọ bụ mmepụta site na ntinye dijitalụ ma ọ bụ analog / mmepụta.Sistemụ Njikwa ekesa DCS: Aha Bekee zuru oke nke DCS bụ Sistemụ Njikwa ekesa, ebe aha China zuru oke bụ Sistemụ Njikwa ekesa.Enwere ike ịkọwa DCS dị ka ngwaahịa teknụzụ dị elu na-akpaghị aka nke a na-ejikarị eme ihe na ụlọ ọrụ ebe enwere ọtụtụ njikwa loop analog, na-ebelata ihe ize ndụ nke njikwa kpatara, yana ịhazi njikwa na ọrụ ngosi.DCS n'ozuzu nwere akụkụ ise: 1: njikwa 2: I/O board 3: operation station 4: network network 5: graphics and process software.
1. Modul ike, nke na-enye ike ịrụ ọrụ n'ime maka ọrụ PLC, ụfọdụ nwekwara ike inye ike maka akara ntinye.
2. CPU modul, nke bụ Central nhazi unit nke PLC, bụ isi nke PLC ngwaike.Isi arụmọrụ nke PLC, dị ka ọsọ na ọnụ ọgụgụ, na-egosipụta site na arụmọrụ ya;
3. Ebe nchekwa: Ọ na-echekwa mmemme nke onye ọrụ, ụfọdụ na-enyekwa ebe nchekwa ọrụ ọzọ maka sistemụ.N'usoro, ebe nchekwa na-agbakwunyere na CPU modul;
4. I / O modul, nke na-ejikọta I / O sekit ma kewaa n'ime modul nke nkọwa dị iche iche dịka ọnụ ọgụgụ isi na ụdị sekit, gụnyere DI, DO, AI, AO, wdg;
5. Base plate na modul rack: Ọ na-enye efere ntọala maka ntinye nke modulu PLC dị iche iche, ma na-enye ụgbọ ala maka njikọ n'etiti modul.Ụfọdụ ụgbọ elu azụ na-ejimodul interface na ụfọdụ na-eji ụzọ ụgbọ ala na-akparịta ụka.Ndị na-emepụta ihe dị iche iche ma ọ bụ ụdị PLC dị iche iche sitere na otu onye nrụpụta abụghị otu;
6. Nkwukọrịta modul: Mgbe ejikọta na PLC, ọ nwere ike ime ka PLC na-ekwurịta okwu na kọmputa, ma ọ bụ PLC na-ekwurịta okwu na PLC.Ụfọdụ nwekwara ike nweta nkwurịta okwu na ihe njikwa ndị ọzọ, dị ka ndị ntụgharị ugboro ugboro, ndị na-ahụ maka okpomọkụ, ma ọ bụ mepụta netwọk mpaghara.Usoro nzikọrịta ozi na-anọchite anya ikike ịkparịta ụka n'Ịntanet nke PLC ma na-anọchite anya akụkụ dị mkpa nke arụmọrụ PLC taa;
7. Ọrụ modul: N'ozuzu, e nwere elu-ọsọ na-agụta modul, ọnọdụ akara modul, okpomọkụ modul, PID modul, wdg Ndị a modul nwere CPU nke ha nwere ike tupu usoro ma ọ bụ biputere akara ngosi ka mfe PLC CPU akara mgbagwoju programmable njikwa. .Ụdị na njirimara nke modul nwere ọgụgụ isi dịkwa nnọọ iche.Maka PLC nwere arụmọrụ dị mma, modul ndị a nwere ọtụtụ ụdị na arụmọrụ dị mma.
Oge nzipu: Mar-21-2023