Nzira yekusiyanisa pakati peNPN nePNP? Nzira yekuvabatanidza nayo kuPLC?
Nzira yekusiyanisa pakati peNPN nePNP? Nzira yekuvabatanidza nayo kuPLC?
NPN uye PNP Devices uye Siemens PLC Kubatanidza uye Kusarudzwa
Masensa anogona kuiswa mumhando mbiri huru zvichienderana nemhando dzadzo dzekubuda: NPN (inozivikanwawo sesosi - type sensors) uye PNP (inozivikanwawo sesink - type sensors). Mhando mbiri dze sensors dzine matatu anotungamira, ayo akabatana ne24V, 0V, uye Out (signal kubuda). Saka, ndeapi marudzi emasensa anotsigirwa neiyo Siemens S7 series PLCs?
Mhando dzeSensors Inotsigirwa neSiemens PLCs uye Modules
Sensors Inotsigirwa neSiemens S7 - 200 : Iwo ekuisa zviteshi zveS7 - 200 akatevedzana anotsigira ese ari maviri sosi - mhando uye sink - mhando sensors, zvichireva kuti anogona kubatana kune chero NPN kana PNP sensors.
Sensors Inotsigirwa neSiemens S7 - 200smart : Zvakafanana neS7 - 200, iyo S7 - 200smart's yekuisa terminals inotsigira ese sink - mhando uye sosi - mhando sensors, inobvumira kubatana kune ese NPN uye PNP sensors.
Sensors Inotsigirwa neSiemens S7 - 1200 : Iyo S7 - 1200's yekuisa zviteshi inotsigira ese sink - mhando uye sosi - mhando sensors, inogonesa kubatana kune chero NPN kana PNP sensors.
Sensors Inotsigirwa neSiemens S7 - 300 : S7 - 300 ine zvakasiyana-siyana zveDI modules, uye rudzi rwe sensor yavanotsigira inoda kuongororwa mukugadzirisa hardware zvichienderana nemiganhu.
Mazhinji DI modules eS7 - 300 ari kunyura - mhando (PNP sensors inofanira kusarudzwa) : Mukugadzirisa hardware, hapana kukurumidza kune sosi kana kunyura rudzi, zvinoreva kuti ivo vari default kunyura - mhando. Semuenzaniso, iyo 321 - 1BL00 module.
Kwakabva - mhando DI modules yeS7 - 300 (NPN sensors inofanira kusarudzwa) : Semuenzaniso, iyo 6ES7 321 - 1BH50 - 0AA0 module.
Universal DI modules inotsigira ese ari maviri sosi uye sink marudzi (ese ari maviri NPN uye PNP sensors anogona kushandiswa) : Semuenzaniso, iyo 6ES7 321 - 1BP00 - 0AA0 module.
Sensors Inotsigirwa neSiemens S7 - 1500 : Iyo DI modules iripo muS7 - 1500 akatevedzana anosanganisira sink - mhando modules inotsigira PNP sensors uye sosi - mhando modules inotsigira NPN sensors.
Sink - mhando DI modules (PNP sensors) : Semuenzaniso, iyo 6ES7 523 - 1BL00 - 0AA0 module.
Kwakabva - mhando DI modules (NPN sensors) : Semuenzaniso, iyo 6ES7 131 - 6BF60 - 0AA0 module.
Wiring Nzira dzeNPN uye PNP Sensors
Kunzwisisa Iyo Input Terminal Types dzePLCs : Tsananguro dzechibviro - mhando uye sink - mhando yeSiemens PLC yekupinza zviteshi zvinoenderana negwara rekuyerera kwazvino paI-poindi yePLC terminal. (Cherechedza: Izvi zvinopesana netsanangudzo inoshandiswa neMitsubishi PLCs, iyo yakavakirwa padanho rekuyerera kwazvino paCOM terminal.)
Source - type : Kana ikozvino inoyerera ichibva paI - point, inoonekwa sosi yezvino.
Sink - type : Kana ikozvino inoyerera ichipinda muI - point, inoonekwa senzvimbo yezvino.
Kubatanidza NPN Sensors kuPLC (Source - type Input for Siemens PLC) : Kuyerera kwazvino: 24V + → COM terminal → I0.0 (ikozvino inoyerera ichibva paI - point) → sensor out terminal → sensor 0V terminal → 0V.
Kubatanidza PNP Sensors kuPLC (Sink - type Input for Siemens PLC) : Kuyerera kwazvino: 24V + → sensor 24V → sensor out terminal → I0.0 (ikozvino inoyerera ichipinda muI - point) → COM → 0V.
Classification of Sensors
NPN (Source - type) : Kana ikamiswa, inoburitsa yakaderera-level chiratidzo.
NPN - HAPANA (Kazhinji Kuvhurika): Hapana chinobuda kana chisina kuvhurwa; inoburitsa chiratidzo chepasi-pamwero kana yaitwa.
NPN - NC (Kazhinji Yakavharwa) : Inoburitsa yakaderera-yero chiratidzo kana isina kuvhurwa; hapana chinobuda kana chaitwa.
NPN - NC + NO (Yakasanganiswa Kazhinji Yakavhurika uye Kazhinji Yakavharwa) : Zviteshi zviviri zvekubuda (imwe yakazaruka, imwe yakavharwa).
PNP (Sink - type) : Kana ikamiswa, inoburitsa chiratidzo chepamusoro.
PNP - HAPANA (Kazhinji Kuvhurika): Hapana chinobuda kana chisina kuvhurwa; inoburitsa chiratidzo chepamusoro kana chaitwa.
PNP - NC (Kazhinjily Yakavharwa) : Inoburitsa chiratidzo chepamusoro kana isina kuvhurwa; hapana chinobuda kana chaitwa.
PNP - NC + NO (Yakasanganiswa Kazhinji Yakavhurika uye Kazhinji Yakavharwa) : Zviteshi zviviri zvinobuda (imwe yakazaruka, imwe yakavharwa).
Misiyano Yakakosha Pakati pePNP neNPN Sensors
PNP neNPN sensors ese ari maviri switch - mhando sensors dzinoshandisa saturation uye cutoff ye transistors kuburitsa maviri nyika. Nekudaro, masaini ekubuda anopesana: NPN inoburitsa yakaderera - level chiratidzo (0V), nepo PNP ichiburitsa yakakwira-level chiratidzo (24V).
PNP uye NPN sensors akaiswa muzvikamu zvitanhatu:
NPN - HAPANA (Kazhinji Yakavhurika)
NPN - NC (Kazhinji Yakavharwa)
NPN - NC + NO (Yakasanganiswa Kazhinji Yakavhurika uye Kazhinji Yakavharwa)
PNP - HAPANA (Kazhinji Yakavhurwa)
PNP - NC (Kazhinji Yakavharwa)
PNP - NC + NO (Yakasanganiswa Kazhinji Yakavhurika uye Kazhinji Yakavharwa)
PNP neNPN masensa anowanzo aine matatu anotungamira: tambo yemagetsi (VCC), iyo 0V mutsara, uye yekubuda chiratidzo chekubuda.
PNP Rudzi: Kana yakonzereswa, mutsara wekunze unobatana netambo yemagetsi (VCC), ichiburitsa chiratidzo chepamusoro.
PNP - HAPANA : Mutsetse wekubuda wakavhurika (wakabviswa paVCC) kana usina kukonzerwa. Kana yamutswa, inoburitsa iwo magetsi akafanana neVCC magetsi emagetsi (yepamusoro-yepamusoro chiratidzo).
PNP - NC: Mutsetse wekunze wakabatana neVCC magetsi emagetsi tambo (inoburitsa yakakwira-level chiratidzo) kana isina kukonzerwa. Kana ikakonzerwa, mutsara wekunze unovhurwa (wakabviswa kubva kuVCC).
PNP - NC + NO : Iyo ine yekuwedzera kunze terminal, iyo inogona kushandiswa sezvinodiwa.
NPN Type : Kana yakonzereswa, mutsara wekunze unobatana neiyo 0V mutsara, ichiburitsa yakaderera-level chiratidzo.
NPN - Kwete : Mutsetse wekubuda wakavhurika (wakabviswa kubva ku0V) kana usina kukonzerwa. Kana yamutswa, inoburitsa iwo mavheti akafanana neiyo 0V mutsara (yakaderera - level chiratidzo).
NPN - NC : Mutsetse wekunze wakabatana neiyo 0V mutsara (inoburitsa yakaderera - level chiratidzo) kana isina kukonzerwa. Kana ikakonzerwa, mutsara wekunze unovhurwa (wakabviswa kubva ku0V).
NPN - NC + NO : Yakafanana neNPN - NC + NO, ine yekuwedzera kunze terminal, inogona kushandiswa sezvinodiwa.
NPN sensors inoburitsa yakaderera - level chiratidzo (0V), nepo PNP sensors inoburitsa yakakwira-level chiratidzo (24V).
Semuenzaniso, kana iyo sensor simba rekupa iri 24V, NPN sensor inoburitsa 0V, nepo PNP sensor ichiburitsa 24V.
Kana uchibatanidza kune PLC yekupinda, kana iri NPN inobuda, iyo PLC yekupinda COM terminal inofanirwa kubatana ne24V. Sezvineiwo, kana iri PNP inobuda, iyo PLC yekuisa terminal inofanirwa kubatana ne0V.
Chinokosha ndechokunzwisisa zvinomiririrwa nePNP neNPN. P inomirira positive, uye N inomirira negative. PNP inoratidza chiratidzo chepamusoro-soro pasi pemamiriro akajairwa, uye chiratidzo chinova chisina kunaka kana chaitwa. NPN inoratidza yakaderera-yero chiratidzo pasi pemamiriro akajairwa, uye chiratidzo chinova chakakwira - nhanho kana yatanga. Izvo zvinobuda zvepadhuze switch uye mapikicha emagetsi akafanana, asi iwo ekuona maseketi anosiyana. Kana iri PLC wiring, mhando dzeNPN dzinowanzo shandiswa kakawanda. Mazhinji eJapan PLCs muChina inyika - mhando kana yepasirese - mhando, iyo inogona kushandisa zvakananga NPN sensors. Iyo yakanaka terminal yepedyo switch uye photoelectric switch yemagetsi yakabatana kune yakanaka magetsi, iyo isina kunaka terminal yakabatana kune yakajairika terminal, uye inobuda yakabatana nePLC yekuisa terminal.
Muchidimbu, chekuchinja - huwandu hwekupinza dunhu rePLCs, maJapan Mitsubishi PLC anoita seanoshanda uye akavimbika kupfuura mamwe anozivikanwa PLCs seSiemens. Chikonzero chikuru ndechekuti maJapan PLC, kusanganisira Mitsubishi, vakakwenenzvera dhizaini yavakadzidza