Uhlolojikelele lomkhiqizo we-Siemens PLC

Uhlolojikelele lwe-Siemens PLC Series Products
Njengomholi emkhakheni we-automation, i-Siemens ijabulela idumela eliphezulu emhlabeni wonke ngemikhiqizo yochungechunge lwe-programmable logic controller (PLC). Njengengxenye eyinhloko yezinhlelo ezishintshayo zezimboni, i-PLC yenza imisebenzi ebalulekile yokulawula, ukuqapha nokucubungula idatha. Ngokusebenza kwayo okuphezulu, ukwethembeka okuphezulu kanye nezimo ezibanzi zohlelo lokusebenza, uchungechunge lwe-Siemens PLC selube yisinqumo sokuqala samaphrojekthi amaningi okuzenzakalelayo. Lesi sihloko sizokwethula uchungechunge olukhulu lwemikhiqizo ye-Siemens PLC ngokuningiliziwe: I-S7-200 Smart, i-S7-300 (inqanyuliwe), i-S7-400, i-S7-1200 ne-S7-1500.

I-S7-200 Smart Series
Uchungechunge lwe-S7-200 Smart luyi-PLC ehlangene yakamuva eyethulwe ngabakwa-Siemens, eklanyelwe amasistimu amancane ezishintshayo. Lolu chungechunge lwama-PLC lusebenzisa iphrosesa enesivinini esikhulu enekhono lokulawula ngokushesha namandla okucubungula idatha. Ubuncane bayo buyenza ifaneleke izikhathi ezinendawo elinganiselwe. Iphinde isekele amamojula ahlukahlukene okunweba, okuhlanganisa amamojula edijithali e-I/O, amamojula e-analog I/O namamojula okushisa, anganwetshwa aze afike kumamojula ayi-14. Uchungechunge lwe-S7-200 Smart lunoxhumano lwe-Ethernet olwakhelwe ngaphakathi futhi lusekela izimiso zokuxhumana ezifana ne-TCP/IP ne-Modbus TCP, elungele ukuhlela nokuxhumeka kwenethiwekhi. Ngaphezu kwalokho, futhi isekela izivumelwano zokuxhumana eziningi, njenge-RS485, RS232, njll., futhi inemisebenzi yokuxhumana enamandla. Lolu chungechunge lwe-PLC lwamukela umklamo wezinga lezimboni, luzivumelanisa nezimo ezinzima, lunekhono eliphezulu lokulwa nokuphazamiseka, futhi luqinisekisa ukusebenza okuzinzile kwesistimu.

Uchungechunge lwe-Siemens PLC S7-200 SMART
Imingcele yokusebenza eyinhloko (kuthatha inguqulo ye-V2.3 njengesibonelo):
Nikeza ngezinhlobonhlobo zamamodeli e-CPU, njenge-CPU SR20, CPU ST20, CPU SR30, njll.
Ubukhulu bubonke buhlangene njengo-100mm ububanzi no-81mm ukujula, kodwa ubude buyahlukahluka kuye ngemodeli.
Indawo yokugcina umsebenzisi ihlanganisa indawo yokugcina uhlelo, indawo yokugcina idatha kanye nendawo yokugcina, futhi umthamo uyahluka kuye ngemodeli ye-CPU.
Inani lamaphoyinti edijithali e-I/O alo mshini liyahlukahluka kuye ngemodeli ye-CPU. Isibonelo, i-CPU SR20 inokokufaka okungu-12/8 okuphumayo.
Amapharamitha okusebenza afana nezibali zesivinini esikhulu kanye nokuphumayo kwe-high-speed pulse nakho kuyahlukahluka kuye ngemodeli ye-CPU.
Ukuxhumana:
I-Ethernet: 1, isilinganiso 10/100Mb/s.
Imbobo ye-serial: 1 (RS485), 1 imbobo yomkhiqizo eyengeziwe (RS232/RS485 ngokuzikhethela).
Isekela iphrothokholi ye-PPI, ukuxhumana kwechweba kwamahhala, njll.

Uchungechunge lwe-S7-300 (lunqanyuliwe)
Uchungechunge lwe-S7-300 luyi-PLC yosayizi omaphakathi evela kwa-Siemens, esetshenziswa kakhulu ekuzishintsheni kwezimboni. Lolu chungechunge lwama-PLC luthatha umklamo we-modular, futhi amamojula e-I/O ahlukene namamojula okuxhumana angakhethwa ngokuya ngezidingo, futhi ukucushwa kuyavumelana nezimo. Uchungechunge lwe-S7-300 lunamandla amakhulu okucubungula idatha namandla okulawula isivinini esikhulu, afanele imisebenzi yokulawula eyinkimbinkimbi. Ngesikhathi esifanayo, isekela ukuxhumana kwe-I/O ne-PROFIBUS esabalalisiwe, okuthuthukisa ukwethembeka nokuguquguquka kwesistimu. Yize uchungechunge lwe-S7-300 lunqanyuliwe, ukusetshenziswa kwalo okubanzi kanye nokusebenza okuhle kakhulu kumaphrojekthi we-automation aphakathi nendawo kusafanele ukubalula.
2. Uchungechunge lwe-Siemens PLC S7-300
Imojuli yamandla:
Nikeza amamojula ahlukahlukene wamandla, njengokufakwa kwe-120/230VAC, okukhiphayo okungu-24VDC/2A; 120/230VAC okokufaka, 24VDC/5A okukhiphayo, njll.
Iyunithi yokucubungula emaphakathi (CPU):
Nikeza ngezinhlobonhlobo zamamodeli we-CPU, njenge-CPU 312, CPU 314, CPU 315-2DP, njll.
Amapharamitha okusebenza afana nenkumbulo yokusebenza, isikhathi sokusebenza kancane, amaphuzu e-DI/DO kanye ne-AI/AO ayahluka kuye ngemodeli ye-CPU.
Amanye amamodeli we-CPU asekela i-PROFIBUS-DP master/slave interface, PROFINET interface, njll.
I-IO module:
Nikeza ngezinhlobonhlobo zamamojula wokufaka wedijithali namamojula okukhiphayo edijithali.
Inani lamaphoyinti okufaka kanye namaphoyinti okukhiphayo liyahlukahluka kuye ngemodeli yemojuli. Isibonelo, imojula yokufaka yedijithali ye-SM321 inamaphuzu ayi-16, amaphuzu angama-32 nokunye okucacisiwe.

Uchungechunge lwe-S7-400
Uchungechunge lwe-S7-400 luyi-PLC enkulu ye-Siemens, elungele izinhlelo ezizenzakalelayo nezinkulu. Lolu chungechunge lwama-PLC lusebenzisa amaphrosesa asebenza kahle kakhulu anamandla okucubungula nokuthembeka okuphezulu. Uchungechunge lwe-S7-400 lusekela amamojula ahlukahlukene okunweba, okuhlanganisa amamojula angafuneki futhi abekezelela amaphutha, ukuze ahlangabezane nezidingo zokulawula eziyinkimbinkimbi. Ngesikhathi esifanayo, isekela amanethiwekhi ezimboni afana ne-PROFINET ne-PROFIBUS, futhi inemisebenzi yokuxhumana enamandla. Uchungechunge lwe-S7-400 luphinde lube nemisebenzi engaphumeleli kanye nomklamo ongasasebenzi ukuze kuqinisekiswe ukuthi uhlelo luzinzile futhi luthembekile, futhi lufanele ukulawula inqubo kanye nezinhlelo zokukhiqiza ezinkulu.

Uchungechunge lwe-S7-1200
Uchungechunge lwe-S7-1200 luyi-PLC entsha yosayizi omaphakathi evela ku-Siemens, ilungele imisebenzi emincane nephakathi nendawo ezishintshayo. Lolu chungechunge lwama-PLC lusebenzisa idizayini ye-modular elula, enciphisa izindleko nobunzima bokulungisa. Uchungechunge lwe-S7-1200 lusekela imvelo yezinhlelo ze-TIA Portal, okulula ukuyihlela nokulawula. Ngesikhathi esifanayo, ihlanganisa isikhombimsebenzisi se-Ethernet, isekela ukuxhumana kwe-PROFINET, futhi inamandla okuxhumana anamandla. Uchungechunge lwe-S7-1200 luphinde lusekele amamojula e-I/O ahlukahlukene, lunokukala okuhle, futhi luzivumelanisa nezidingo ezihlukile zokuzenzakalela. Ukuthembeka kwayo okuphezulu namandla ayo okusebenza azinzile kwenza uchungechunge lwe-S7-1200 lube yisinqumo esihle kumaphrojekthi amancane naphakathi nendawo.

Uchungechunge lwe-S7-1500
Uchungechunge lwe-S7-1500 luyi-PLC esebenza kahle kakhulu evela ku-Siemens, ilungele imisebenzi eyinkimbinkimbi nedingayo yokuzenzakalela. Lolu chungechunge lwama-PLC lusebenzisa amaphrosesa asebenza kahle kakhulu futhi lusekela izinhlelo ezithuthukisiwe nemisebenzi yokuxilonga. Uchungechunge lwe-S7-1500 luhlanganisa ukuxhumana kwe-Ethernet, lusekela imisebenzi yokuxhumana ye-PROFINET ethuthukisiwe, futhi lunamamojula asebenzayo acebile namandla okucubungula anamandla. Ngesikhathi esifanayo, inikeza izixazululo zokuphindaphinda nokutholakala okuphezulu ukuze kuqinisekiswe ukuthi uhlelo luzinzile futhi luthembekile. Uchungechunge lwe-S7-1500 luphinde lusekele amamojula e-I/O ahlukahlukene kanye namamojula okuxhumana, futhi ungakhetha amamojula afanelekile kanye nokuxhumana kwenethiwekhi ngokuya ngezidingo ezithile. Ukusebenza kwayo okuphezulu nokuguquguquka kwenza uchungechunge lwe-S7-1500 lube yisinqumo sokuqala samaphrojekthi ezishintshayo zezimboni adingeka kakhulu, asebenza kahle kakhulu.

I-Hard PLC ne-Soft PLC
Ngokuthuthuka kobuchwepheshe, i-PLC yenze uguquko ukusuka ekuncikeni kwehadiwe ukuya ekuchazweni kwesoftware, okuholele ezinhlotsheni ezimbili ze-PLC eqinile kanye ne-PLC ethambile. Njengomholi emkhakheni we-automation, i-Siemens'hard PLC kanye nemikhiqizo ethambile ye-PLC isetshenziswa kabanzi. Ama-PLC aqinile, afana nochungechunge lwe-S7-1500, ahlanganisa izingxenyekazi zekhompuyutha ezizinikele kanye nesofthiwe engaguquki, futhi enzelwe izindawo ezithile zezimboni nezinhlelo zokusebenza, ngezinzuzo zokuzinza nokusebenza kwesikhathi sangempela. Ama-PLC athambile, njenge-Siemens Simatic WinAC, asebenzisa imisebenzi ye-PLC esekelwe ku-hardware evamile (njenge-PC) nesofthiwe, futhi anezinzuzo zokuguquguquka nokuqina. Ama-PLC aqinile afaneleka kakhulu izikhathi ezinezidingo eziphakeme kakhulu zokuzinza nokusebenza kwesikhathi sangempela, kuyilapho ama-PLC athambile afaneleka izinhlelo zokusebenza ezidinga ukuguquguquka okuphakeme nokuqina.