IS220PPRAH1A shine mahimmin tsarin I/O a cikin tsarin sarrafa GE Mark VIe, wanda aka ƙera don kariya ta injin turbin gaggawa. Yana daga cikin jerin PPRA kuma, idan aka haɗa shi da hukumar tasha ta TREA da hukumar zaɓi na WREA, tana samar da cikakken tsarin kariya mai saurin gudu. Wannan tsarin yana fasalta tsarin gine-ginen Modular Modular Redundant (TMR) guda uku don tabbatar da kariyar tafiye-tafiyen turbine ko da a yanayin gazawar tsarin sarrafawa na farko.
IS220PPRAH1A yana haɗa allon sarrafa BPPB kuma yana goyan bayan siginar shigar da sauri guda shida. Ana iya saita waɗannan abubuwan shigar cikin ƙungiyoyi daban-daban don dacewa da tsarin injin turbine daban-daban (misali, shaft ɗaya, shaft biyu, raka'a shaft uku). Tsarin yana ba da ayyukan kariya da aka aiwatar a cikin kayan masarufi da firmware, gami da gano saurin gudu, gano hanzari / ragewa, babban tsarin kula da tsarin kulawa, da sarrafa shigar da tafiye-tafiye. Babban sashi ne don kiyaye injinan jujjuyawa kamar injin turbin gas da injin tururi.
Tsarin Gine-gine da Daidaituwa
1.Tsarin Kayan Aiki
IS220PPRAH1A I/O Module: Mai alhakin siyan sigina, sarrafa dabaru, da yanke shawara na kariya.
Hukumar Tashar Tashar TREA: Yana ba da abubuwan da aka fitar, hanyoyin shigar da balaguro, kuma yana goyan bayan Tsayar da Gaggawa (E-Stop) da ayyukan kariya da sauri.
Hukumar Zabin WREA: Yana faɗaɗa ikon tsarin tare da abubuwan maimaita siginar sauri, haɓaka aminci.
2.Compatibility Notes
IS220PPRAH1A wani yanki ne na jerin PPRA tare da bambance-bambancen PPRAS1A da PPRAS1B. Koyaya, ba a ba da takaddun shaida ga ƙa'idodin IEC 61508 ba don haka dole ne a yi amfani da shi a cikin madaukai masu aminci waɗanda ke buƙatar takardar shedar Safety Integrity Level (SIL). Don aikace-aikacen da aka tabbatar da SIL, dole ne a yi amfani da nau'ikan PPRAS1A ko S1B. PPRAH1A yana da kewayon zafin aiki na -30 ° C zuwa 65 ° C, yana sa ya dace da yanayin masana'antu na gaba ɗaya.
3.Kayan Shigarwa
Dole ne a yi amfani da shi tare da allon tashar TREA kuma yana buƙatar shigar da allon zaɓi na WREA.
Dole ne a shigar da nau'ikan PPRA guda uku a lokaci guda don samar da tsarin TMR; Ba a tallafawa aikin fakiti ɗaya ko biyu.
Tsarin yana toshe kai tsaye cikin hukumar TREA ta hanyar haɗin fil ɗin DC-62 kuma an kiyaye shi ta amfani da saƙon zaren.
Cikakken Ayyukan Mahimmanci
1. Saurin shigar da sigina
IS220PPRAH1A tana karɓar abubuwan shigar da firikwensin sauri guda shida, wanda za'a iya daidaita shi dangane da tsarin injin turbine:
Ƙungiyoyi uku na Sensor Biyu (na'urori masu auna firikwensin guda biyu a kowane shaft, har zuwa rafukan uku)
Ƙungiyoyi biyu na Sensors uku (na'urori masu auna firikwensin guda uku a kowane shaft, har zuwa rafuka biyu)
Ana sarrafa kowane siginar saurin ta hanyar Babban Zaɓi ko Median Select algorithm don fitar da ƙimar ƙimar bugun jini guda ɗaya wanda ke wakiltar ainihin saurin kowane sandar. Tsarin yana aiwatar da gano bambanci tsakanin na'urori masu auna firikwensin akan tudu guda. Idan bambancin ya zarce madaidaicin madaidaicin ƙofa (misali, 25 RPM), ana haifar da ƙararrawar tantancewar 'masu saurin gudu biyu'.
2. Ayyukan Kariya mai saurin gudu
2.1. Kariyar Tsare-tsare na Firmware
An aiwatar da dabaru na shirye-shirye. Za'a iya samun madaidaicin madaidaicin tafiya daga Space Signal ko daga ƙimar daidaitawar gida.
Yana goyan bayan gwajin wuce gona da iri kan layi da kan layi. Yayin gwaji, za a iya rage madaidaicin tafiya na ɗan lokaci (har zuwa 94% na ƙimar da aka saita).
Ya haɗa da duba yarjejeniyar saiti; idan ƙimar sanyi ba ta dace da ƙimar da aka karɓa daga Space Signal lokacin da saurin ya zama sifili ba, an bayyana kuskure, kuma an hana aiki.
2.2. Hardware Overspeed Kariya
An aiwatar da shi gaba ɗaya a cikin dabaru na hardware, mai zaman kansa daga na'ura mai sarrafawa, tare da lokacin amsawa na ƙasa da 20 ms.
Ana ɗora madaidaicin madaidaicin saiti kawai lokacin da samfurin ya tashi ko kuma yana yin keken keke kuma ba za a iya canza shi yayin aiki ba.
Kowane ɗayan abubuwan shigar da sauri guda shida ana sa ido akai-akai don haɓakar kayan masarufi, yana tabbatar da kariya koda firmware ta gaza.
Yana buƙatar juyi juzu'i biyu masu maƙwabtaka don wuce wurin da aka tsara don fara tafiya, tare da hana tafiye-tafiye masu ban tsoro.
3. Gaggautawa da Kariya
Samfurin yana ƙididdige ƙimar canjin saurin lokaci na gaske (hanzari) kuma yana goyan bayan ƙofin tafiya mai daidaitawa.
Kariyar ragewa tana amfani da ƙayyadaddun ƙayyadaddun ƙayyadaddun tafiya na 100% a cikin daƙiƙa guda kuma ba a daidaita shi ba.
Ana ƙididdige haɓakawa ta hanyar kwatanta samfuran gudu biyu kusa da su a kan lokacin daidaitawa (AccelCalTime, 10-100 ms).
4. Ayyukan Tafiya Mai Tsare-Tsarki
IS220PPRAH1A tana goyan bayan abubuwan shigar da keɓaɓɓen hanyar tuntuɓar lamba huɗu, waɗanda zasu iya aiki ta hanyoyi biyu:
Tafiya Kai tsaye: Siginar shigarwar kai tsaye tana haifar da balaguron kayan masarufi, ƙetare dabarun firmware don iyakar gudu.
Tafiyar Sharadi: Ayyukan tafiyar ya dogara da lafiyar sadarwa (wanda ke nuna siginar kiyaye rai na hanyar sadarwa). Idan sadarwar mai sarrafawa ta ɓace, ana ba da izinin tafiye-tafiye na sharadi ta atomatik.
Duk abubuwan shigar da tuntuɓar sun haɗa da matattarar cire billa na ms 8 don hana tafiye-tafiyen karya saboda mai magana.
5. Main Control Watchdog Aiki
Na'urar tana ci gaba da lura da siginar bugun zuciya (Na'urar Heartbeat) wanda babban mai sarrafawa ke bayarwa.
Idan ba a gano wani canji a ƙimar bugun zuciya na firam ɗin bayanai guda biyar a jere ba, an kulle balaguron sa ido na sarrafawa.
Idan babban mai sarrafawa ya murmure kuma yayi magana daidai tsawon daƙiƙa 60, yanayin tafiya zai sake saitawa ta atomatik.
6. Bambancin Gudu da Gano Gudun Batsa
Kariyar Bambancin Sauri: Yana kwatanta saurin da PPRA (PulseRate1) ke ƙididdige shi tare da ƙimar saurin (Speed1) wanda babban mai sarrafawa ya bayar. Idan bambancin ya wuce adadin daidaitacce (bisa RatedRPM_TA) don samfurori guda uku a jere, ana fara tafiya.
Kariyar Gudun Rushewa: Idan ƙimar saurin daga babban mai sarrafawa (Speed1) ta kasance ba ta canzawa don firam ɗin bayanai na jere 100 (yana nuna asarar ingancin sigina), tafiya ta ƙare. Wannan kariyar ta dogara ne akan ƙa'idar cewa siginar saurin raye koyaushe yana nuna ƙananan bambance-bambance ('dithering').
7. Aiki tare na Lokaci da Kula da Daidaita Tsari
Samfurin ya dogara da aiki tare lokaci a cikin IONet. Yana sa ido kan lambar firam ɗin aiki tare.
Idan an gano manyan kurakurai ko asarar aiki tare (misali, firam ɗin da ba a jere ba), ana kunna tafiyar Haɗin kai ta Frame.
Wannan yana tabbatar da cewa PPRA ta kasance tare da daidaitawa lokaci tare da babban mai sarrafawa, hana lalacewar kariya saboda jinkirin sadarwa.
8. Relay Outputs da Feedback
IS220PPRAH1A yana ba da siginar tuƙi don Relays na Tafiya na Gaggawa (ETR1-ETR3) kuma yana lura da siginonin matsayin martani.
Ana kwatanta yanayin da aka ba da umarni na kowane direban relay zuwa ainihin yanayin martaninsa. Rashin daidaituwa yana haifar da ƙararrawar ganowa.
Ayyukan gwaji yana ba da damar rage kuzarin kowane relay daban-daban don dalilai na gwaji ba tare da haifar da balaguron tsarin ba.
Ka'idodin Aiki da Gudun Sigina
Nau'in Siginar Taro
Ya ƙare da (SS): Ana ƙirƙira sigina a cikin PPRA kuma ana aika shi zuwa Wurin Siginar mai sarrafawa.
Yana ƙarewa da SS: Ana ƙirƙira sigina a cikin mai sarrafawa kuma PPRA ta karɓi ta ta Wurin Sigina.
Ya ƙare da (IO): Ana samar da sigina a cikin PPRA kuma ana fitarwa zuwa kayan aikin.
Ya ƙare da IO: Sigina shine shigarwar kayan aiki a cikin PPRA.
Yana ƙarewa da CFG: Yana nuna ma'aunin daidaitawa.
Haɗin Siginar Tafiya
Dukkan siginonin balaguro (misali, saurin wuce gona da iri, haɓakawa, shigar da lamba, mai sa ido) ana haɗa su cikin siginar Tafiya guda ɗaya (CompostTrip1), wanda ake amfani da shi a cikin dabarar fitarwa na relay. Mahimmanci, tafiye-tafiyen kayan aiki da tafiye-tafiyen tuntuɓar kai tsaye suna da hanyoyin da aka aiwatar gaba ɗaya a cikin kayan aiki ko dabaru masu tsari, ba firmware ba. Wannan yana tabbatar da cewa na'urar sarrafa firmware ba zai iya hana waɗannan sigina masu mahimmanci farawa tafiya ba.
Fail-Safe Design
Nau'in na'urar ta gaza zuwa yanayin 'tafiya' lokacin da wuta ke kashewa, yayin farawa, lokacin sake saitin kayan aiki, ko lokacin da ba a kan layi ba.
Da'irar da'irar kayan aiki tana lura da aikin firmware. Idan an gano rashin aiki na firmware, yana haifar da sake saitin hardware, wanda ke tilasta tafiya.
Duk sigina masu mahimmanci (gudu, bugun zuciya, daidaita tsarin firam) sun haɗa da lokacin ƙarewa ko hanyoyin gano sabani, tabbatar da tsarin ya gaza cikin aminci ga yanayin tafiya ƙarƙashin yanayi mara kyau.
Kanfigareshan da Bincike
Kayan aikin Kanfigareshan
An saita tsarin ta amfani da software na GE's ToolboxST. Mahimmin sigogin daidaitawa sun haɗa da:
Nau'in Turbine (misali, Gas Turbine, Steam Turbine)
Rukunin Shigar da Sauri (Kungiyoyi Uku ko Ƙungiyoyi Biyu)
Matsakaicin Matsakaicin Matsala, Matsakaicin Haɗawa, Iyakokin Banbanci
Kunna/ musaki saituna don ayyuka kamar Watchdog, Bambancin Sauri, da Gano Gudun Batsa.
Binciken Kai
Gwajin Ƙarfin Kai: Yana bincika RAM, ƙwaƙwalwar filashi, tashoshin Ethernet, da kayan masarufi.
Ci gaba da Sa Ido: Yana sa ido kan samar da wutar lantarki na ciki, magudanar martani na analog, da jahohin ba da umarni/ji.
Tabbatar da ID na Wutar Lantarki: Yana bincika cewa ƙirar, allon tasha, da kayan aikin allo na zaɓi sun dace kuma sun dace da lambar aikace-aikacen da aka ɗora.
LEDs mai nuna matsayi
Module faceplate yana fasalta LEDs matsayi shida:
GUDU: Green lokacin da aka kunna relays (Run), Ja lokacin da aka kashe wutar lantarki (Trip).
ESTP: Green lokacin shigar da E-Stop (idan an goyan bayan) yana cikin yanayin gudu, Ja lokacin da E-Stop ke aiki.
OSPD: Ja lokacin da aka gano yanayin da ya wuce kima kuma aka kulle shi.
WDOG: Ja lokacin tafiya dangane da ayyukan sa ido (Control Watchdog, Bambancin Sauri, da sauransu) yana aiki.
SIL: PPRAH1A baya goyan bayan aikin SIL; wannan LED din bai dace ba.
KREA: Koren kore yana nuna an gano ƙarfi akan ƙaramin ƙirar KREA.
