Yadda za a bambanta tsakanin NPN da PNP? Yadda za a haɗa su zuwa PLC?

Yadda za a bambanta tsakanin NPN da PNP? Yadda za a haɗa su zuwa PLC?

NPN da PNP Devices da Siemens PLC Connection and Selection

Ana iya rarraba firikwensin zuwa manyan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan kayan aikin su: NPN (wanda kuma aka sani da tushen firikwensin nau'in na'urar) da PNP (wanda kuma aka sani da sink - nau'in firikwensin). Duk nau'ikan firikwensin suna da jagora guda uku, waɗanda aka haɗa da 24V, 0V, da Out (fitowar sigina). Don haka, wadanne nau'ikan na'urori masu auna firikwensin ne ke tallafawa ta Siemens S7 jerin PLCs?

Nau'in Sensors da Siemens PLCs da Modules ke Tallafawa

Sensors Taimakawa ta Siemens S7-200 : Tashoshin shigarwa na jerin S7 - 200 suna tallafawa duka tushen - nau'i da nau'in sink - nau'in firikwensin, ma'ana ana iya haɗa su da na'urori masu auna firikwensin NPN ko PNP.

Sensors Taimakawa ta Siemens S7 - 200smart : Daidai da S7 - 200, S7 - 200smart's shigarwa tashoshi suna goyan bayan nau'in nutsewa - nau'i da tushe - nau'in firikwensin nau'in, yana ba da damar haɗi zuwa duka NPN da na'urori masu auna firikwensin PNP.

Sensors Goyan bayan Siemens S7-1200 : S7 - 1200's shigarwa tashoshi suna goyan bayan nau'in nutsewa - nau'i da tushe - nau'in firikwensin, kunna haɗin kai zuwa ko dai NPN ko PNP firikwensin.

Sensors Taimakawa ta Siemens S7 - 300 : S7 - 300 yana da nau'ikan nau'ikan DI iri-iri, kuma nau'in firikwensin da suke goyan bayan yana buƙatar dubawa a cikin ƙirar kayan masarufi dangane da sigogi.

Yawancin nau'ikan DI na S7 - 300 sune nau'in sink - nau'in (ya kamata a zaɓi na'urori masu auna firikwensin PNP): A cikin tsarin hardware, babu wani hanzari don tushen ko nau'in nutsewa, wanda ke nufin sun kasance tsoho don nutsewa - nau'in. Alal misali, 321-1BL00 module.

Tushen - nau'in nau'ikan DI na S7 - 300 (Ya kamata a zaɓi firikwensin NPN): Misali, ƙirar 6ES7 321 - 1BH50 - 0AA0.

Universal DI modules waɗanda ke goyan bayan nau'ikan tushe da nau'in nutsewa (duka biyun NPN da na'urori masu auna firikwensin PNP ana iya amfani da su): Misali, ƙirar 6ES7 321 - 1BP00 - 0AA0.

Sensors Taimakawa ta Siemens S7 - 1500: Abubuwan DI a halin yanzu da ake samu a cikin jerin S7 - 1500 sun haɗa da nau'ikan nau'ikan nutse waɗanda ke goyan bayan firikwensin PNP da tushen - nau'ikan nau'ikan nau'ikan nau'ikan da ke goyan bayan firikwensin NPN.

Sink-type DI modules (PNP firikwensin): Misali, 6ES7 523 - 1BL00 - 0AA0 module.

Tushen - nau'ikan nau'ikan DI (Na'urori masu auna firikwensin NPN): Misali, 6ES7 131 - 6BF60 - 0AA0.

Hanyoyin Waya don NPN da PNP Sensors

Fahimtar Nau'in Tashar Tashar Shigar na PLCs: Ma'anar ma'anar tushen - nau'in da nau'in nutsewa - nau'in don Siemens PLC shigarwar tashoshi sun dogara ne akan jagorancin gudana na yanzu a I - batu na tashar PLC. (Lura: Wannan ya saba wa ma'anar da Mitsubishi PLCs ke amfani da shi, wanda ya dogara da alkiblar kwararar yanzu a tashar COM.)

Tushen - nau'in : Lokacin da halin yanzu ke gudana daga I - batu, ana la'akari da tushen halin yanzu.

Nau'in nutsewa : Lokacin da halin yanzu ke gudana zuwa cikin I - point, ana la'akari da makomar yanzu.

Haɗa Sensors na NPN zuwa PLC (Source - nau'in Input don Siemens PLC): Gudun yanzu: 24V + → COM tashar → I0.0 (yana gudana daga cikin I-point) → firikwensin fitar da tashar → firikwensin 0V tashar → 0V.

Haɗa Sensors na PNP zuwa PLC (Sink - nau'in Input don Siemens PLC): gudanawar yanzu: 24V + → firikwensin 24V → firikwensin fitar da tashar → I0.0 (yanzu yana gudana zuwa cikin I-point) → COM → 0V.

Rarrabe na Sensors

NPN (Source - type): Lokacin da aka kunna shi, yana fitar da sigina mara nauyi.

NPN - NO (Buɗewa Kullum): Babu fitarwa lokacin da ba a kunna ba; yana fitar da sigina mara nauyi lokacin da aka kunna.

NPN - NC (An rufe kullum): Yana fitar da sigina mara nauyi lokacin da ba a kunna ba; babu fitarwa lokacin da aka kunna.

NPN - NC + NO (Haɗuwa Buɗewa A Ka'ida kuma Kullum Rufewa): Tashoshin fitarwa guda biyu (buɗe ɗaya, ɗaya rufe).

PNP (Nau'in Sink): Lokacin da aka kunna, yana fitar da sigina mai girma.

PNP - NO (Buɗewa Kullum): Babu fitarwa lokacin da ba a kunna ba; yana fitar da sigina mai girma lokacin da aka kunna.

PNP - NC (Na al'adaly Rufe): Yana fitar da sigina mai girma lokacin da ba a kunna ba; babu fitarwa lokacin da aka kunna.

PNP - NC + NO (Haɗuwa Buɗewa A Ka'ida da Kullum Rufe): Tashoshin fitarwa guda biyu (buɗe ɗaya, ɗaya rufe).

Muhimman Bambance-Bambance Tsakanin PNP da Sensors na NPN

PNP da NPN na'urori masu auna firikwensin duka suna canzawa - nau'in firikwensin da ke amfani da jikewa da yanke transistor don fitar da jihohi biyu. Koyaya, siginar fitarwa sun saba: NPN yana fitar da sigina mara ƙarfi (0V), yayin da PNP ke fitar da sigina mai girma (24V).

Na'urori masu auna firikwensin PNP da NPN an kasasu kashi shida:

NPN - NO (Buɗewa A Ka'ida)

NPN - NC (Yawan Rufe)

NPN - NC + NO (Haɗuwa Kullum Buɗewa kuma Kullum Rufe)

PNP - A'A (Buɗewa Kullum)

PNP - NC (An rufe kullum)

PNP - NC + NO (Haɗuwa Kullum Buɗewa kuma Kullum Rufe)

Na'urori masu auna firikwensin PNP da NPN yawanci suna da jagora guda uku: layin samar da wutar lantarki (VCC), layin 0V, da layin fitar da sigina.

Nau'in PNP : Lokacin da aka kunna, layin fita yana haɗuwa zuwa layin samar da wutar lantarki (VCC), yana fitar da sigina mai girma.

PNP - NO : Layin waje yana buɗe (an cire haɗin daga VCC) lokacin da ba a kunna ba. Lokacin da aka kunna shi, yana fitar da irin ƙarfin lantarki kamar layin samar da wutar lantarki na VCC (siginar babban matakin).

PNP - NC : An haɗa layin fita zuwa layin samar da wutar lantarki na VCC (fitar da sigina mai girma) lokacin da ba a kunna ba. Lokacin da aka kunna, layin fita yana buɗewa (an cire haɗin daga VCC).

PNP - NC + NO : Yana da ƙarin tasha, wanda za'a iya amfani dashi idan an buƙata.

Nau'in NPN: Lokacin da aka kunna, layin fita yana haɗi zuwa layin 0V, yana fitar da sigina mara nauyi.

NPN - NO : Layin waje yana buɗe (an cire haɗin daga 0V) lokacin da ba a kunna shi ba. Lokacin da aka kunna shi, yana fitar da irin ƙarfin lantarki kamar layin 0V (siginar ƙasa-ƙananan).

NPN - NC : An haɗa layin waje zuwa layin 0V (fitar da siginar ƙananan matakin) lokacin da ba a kunna ba. Lokacin da aka kunna, layin fita yana buɗewa (an cire haɗin daga 0V).

NPN - NC + NO : Daidai da NPN - NC + NO, yana da ƙarin tashar waje, wanda za'a iya amfani dashi idan an buƙata.

Na'urori masu auna firikwensin NPN suna fitar da sigina mara nauyi (0V), yayin da na'urori masu auna firikwensin PNP suna fitar da siginar babban matakin (24V).

Misali, idan wutar firikwensin 24V, firikwensin NPN zai fitar da 0V, yayin da firikwensin PNP zai fitar da 24V.

Lokacin haɗawa da shigarwar PLC, idan fitarwar NPN ce, sai a haɗa tashar shigar da PLC ta COM zuwa 24V. Sabanin haka, idan fitowar PNP ce, sai a haɗa tashar shigar da PLC zuwa 0V.

Makullin shine fahimtar abin da PNP da NPN ke wakilta. P yana tsaye da tabbatacce, kuma N yana nufin korau. PNP yana nuna sigina mai girma a ƙarƙashin yanayin al'ada, kuma siginar yana zama mara kyau lokacin da aka kunna shi. NPN yana nuna ƙananan sigina a ƙarƙashin yanayi na al'ada, kuma siginar ya zama babban matakin lokacin da aka kunna. Fitowar maɓallan kusanci da na'urorin lantarki iri ɗaya ne, amma hanyoyin gano su sun bambanta. Dangane da wayar PLC, nau'ikan NPN galibi ana amfani da su akai-akai. Yawancin PLC na Japan a China sune nau'in duniya - nau'i ko na duniya - wanda ke iya amfani da na'urori masu auna firikwensin NPN kai tsaye. Madaidaicin madaidaicin madaidaicin kusanci da samar da wutar lantarki na photoelectric an haɗa shi da ingantaccen wutar lantarki, madaidaicin madaidaicin an haɗa shi zuwa tashar gama gari, kuma an haɗa fitarwa zuwa tashar shigarwar PLC.

A taƙaice, don sauyawa - da'irar shigar da yawa na PLCs, Mitsubishi PLCs na Jafanawa da alama sun fi aiki da aminci fiye da wasu sanannun PLCs kamar Siemens. Babban dalili shine PLC na Japan, gami da Mitsubishi, sun inganta ƙirar da suka koya