samfurori

IS200VAICH1C VME Analog Input/Output (VAIC) Board ne wanda General Electric ya ƙera a matsayin wani ɓangare na jerin Mark VI da ake amfani da su a cikin tsarin sarrafa injin turbin gas. Analog Input/Output Board (VAIC) yana karɓar abubuwan shigar analog 20 kuma yana sarrafa abubuwan analog guda 4. Kowace hukumar tasha tana karɓar abubuwan shigarwa 10 da fitarwa 2. igiyoyi suna haɗa allon tashar zuwa tashar VME inda allon sarrafa VAIC yake. VAIC tana jujjuya abubuwan shigarwa zuwa ƙimar dijital kuma tana tura su akan jirgin baya na VME zuwa allon VCMI, sannan zuwa mai sarrafawa. Don abubuwan samarwa, VAIC tana jujjuya ƙimar dijital zuwa igiyoyin analog kuma suna fitar da waɗannan ta hanyar tashar tashar zuwa da'irar abokin ciniki. VAIC tana goyan bayan aikace-aikacen simplex da sau uku modular redundant (TMR). Lokacin da aka yi amfani da shi a cikin tsarin TMR, siginar shigarwa akan allon tasha ana fitar da su zuwa rakuman allon VME guda uku R, S, da T, kowanne yana ɗauke da VAIC. Ana fitar da siginonin fitarwa tare da da'irar mallakar mallaka wanda ke haifar da halin yanzu da ake so ta amfani da dukkan VAICs guda uku. A cikin yanayin rashin gazawar hardware, an cire VAIC mara kyau daga fitarwa kuma sauran allon biyu na ci gaba da samar da daidaitaccen halin yanzu. Lokacin da aka yi amfani da shi a cikin tsari mai sauƙi, tashar tashar tashar tana ba da siginar shigarwa zuwa VAIC guda ɗaya, wanda ke ba da dukkanin igiyoyi don fitarwa.
KWANTAWA

Akwai tsararraki biyu na hukumar VAIC tare da allunan tasha masu dacewa. Asalin VAIC ya ƙunshi duk nau'ikan kafin kuma gami da VAICH1C. VAICH1B yana cikin wannan ƙarni. Lokacin tuƙi 20 mA fitarwa wadannan allunan goyon bayan har zuwa 500 lodi juriya a karshen 1000 ft na #18 waya. Wannan ƙarni na hukumar yana buƙatar tashar tashar TBAIH1B ko a baya don aiki mai kyau. Hakanan suna aiki da kyau tare da duk bita na allon tashar DTAI. Sabuwar VAICH1D da duk wani sakewa na gaba an ƙera su don tallafawa juriya mafi girma don 20 mA abubuwan fitar da wutar lantarki: har zuwa 18 V yana samuwa a tashar tashar jirgin ƙasa. Wannan yana ba da izinin aiki zuwa nauyin nauyin 800 tare da 1000 ft na #18 waya tare da gefe. Wannan ƙarni na hukumar yana buƙatar TBAIH1C ko kuma daga baya, ko duk wani bita na STAI.

Hoto na 1: VAIC, Analog Input Boards, da Cabling (Tsarin TMR)

SHIGA

• Ƙaddamar da rumbun sarrafa VME

• Zamewa cikin allo sannan ka tura levers na sama da na kasa ciki tare da hannayenka don zama masu haɗin gefen sa

• Tsara skru ɗin da aka kama a sama da ƙasa na ɓangaren gaba

AIKI

Kwamitin VAIC yana karɓar abubuwan shigar analog 20, yana sarrafa abubuwan analog 4, kuma ya ƙunshi kwandishan sigina, MUX analog, mai sauya A/D, da mai sauya D/A. Nau'in shigarwar analog, ko dai irin ƙarfin lantarki, 4-20mA, ko allon tasha. Biyu daga cikin nau'ikan fitarwa na analog guda huɗu sune 4-20mA kuma ana iya saita sauran biyun don 4-20 mA ko 0-200 mA. Abubuwan shigarwa da abubuwan da ake fitarwa suna da da'ira na danne amo don karewa daga yawan ƙara da hayaniyar mita mai girma.

Hoto 2: VAIC da Analog Input Terminal Board, Simplex System

A cikin tsarin TMR, abubuwan shigar da analog na fan zuwa raƙuman sarrafawa guda uku daga JR1, JS1, da JT1. Ƙarfin 24V dc ga masu juyawa ya fito ne daga duk raƙuman VME guda uku kuma diode OR an zaɓa akan allon tashar. Ana ciyar da kowane fitarwa na analog na yanzu ta igiyoyi daga duk VAICs guda uku. Ana auna ainihin fitarwa na halin yanzu tare da jerin resistor, wanda ke ciyar da wutar lantarki baya ga kowane VAIC. Sakamakon da aka samu shine ƙimar tsakiyar da aka zaɓa (matsakaici) na igiyoyi uku. Hoto mai zuwa yana nuna VAIC a cikin tsarin TMR. Ana iya yin amfani da masu watsawa / masu juyawa ta tushen 24 V dc a cikin tsarin sarrafawa ko kuma ana iya yin aiki da kansa. Bincike yana lura da kowane fitarwa kuma mai kashe kansa yana katse haɗin abin da ya dace idan umarni daga mai sarrafawa ba zai iya share kuskure ba. Matattarar kayan aikin da ke kan allon tasha suna hana hayaniyar mita mai girma. Ƙarin matattarar software akan VAIC suna ba da tacewa ƙarancin wucewa mai daidaitawa.

GANO STALL COMPRESSOR

VAIC firmware ya haɗa da gano injin turbine compressor stall, wanda aka kashe a 200 Hz. Za'a iya zaɓar algorithms rumfa biyu. Dukansu suna amfani da abubuwan shigar analog guda huɗu na farko, an duba su a 200 Hz. Algorithaya ɗaya shine don ƙananan injin turbin gas na LM kuma yana amfani da masu canza matsi guda biyu (koma zuwa adadi, Small (LM) Gas Turbine Compressor Stall Detection Algorithm). Sauran algorithm din na injin turbin gas ne masu nauyi kuma yana amfani da na'urori masu sarrafa matsi guda uku (koma zuwa adadi, Heavy Duty Gas Turbine Compressor Stall Detection Algorithm). An raba abubuwan shigarwa na ainihin-lokaci daga saitunan da aka tsara don tsabta. Siga CompStalType yana zaɓar nau'in algorithm da ake buƙata, ko dai masu fassara biyu ko uku. PS3 shine matsa lamba na fitarwa. Digo a cikin wannan matsa lamba (PS3 drop) yana nuna yiwuwar rumbun kwamfara. Algorithm ɗin kuma yana ƙididdige ƙimar canjin matsa lamba, dPS3dt, kuma yana kwatanta waɗannan ƙimar tare da ƙayyadaddun ma'aunin rumbun (KPS3 akai-akai). VAIC ne ya fara tafiya ta hanyar kwampreso, wanda ke aika siginar zuwa mai sarrafawa inda ake amfani da shi don fara kashewa. Ana iya amfani da siginar kashewa don saita duk bawuloli na kashe man fetur (FSOV) ta kowace fitowar fitarwa.

LEDs guda uku a saman gaban gaban VAIC suna ba da bayanin matsayi. Yanayin RUN na yau da kullun yana walƙiya kore, kuma FAIL ja ne mai ƙarfi. LED na uku yana nuna MATSAYI kuma yawanci a kashe, amma yana nuna tsayayyen orange idan yanayin ƙararrawa ya kasance a kan allo. Binciken bincike ya haɗa da:

• Kowace shigarwar analog tana da ƙayyadaddun ƙayyadaddun kayan aiki bisa ga saiti (marasa iya daidaitawa) babba da ƙananan matakan da aka saita kusa da ƙarshen kewayon aiki. Idan wannan iyaka ya wuce an saita siginar tunani kuma ba a sake duba abin da aka shigar ba. Idan kowane L3DIAG_VAIC, wanda ke nufin duka allon. Ana samun cikakkun bayanai game da binciken mutum ɗaya daga akwatin kayan aiki. Ana iya kulle siginonin bincike daban-daban, sannan a sake saita su tare da siginar RESET_DIA.

• Kowace shigarwa tana da ƙayyadaddun ƙayyadaddun tsari bisa ga daidaitawa babba da ƙananan matakan daidaitawa. Ana iya amfani da waɗannan iyakoki don samar da ƙararrawa kuma ana iya saita su don kunnawa / kashewa, kuma azaman latching/non-latching. RESET_SYS yana sake saita abubuwan da ba su da iyaka.

• A cikin tsarin TMR, idan sigina ɗaya ya bambanta daga ƙimar da aka zaɓa (ƙimar tsakiya) fiye da ƙayyadaddun iyaka, ana gano siginar kuma an ƙirƙiri kuskure. Wannan na iya ba da alamar farkon alamar matsala ta tasowa a cikin tashoshi ɗaya.

• Kula da abubuwan D/A, abubuwan fitarwa, jimillar halin yanzu, relays na kashe kansa, da kuma 20/200 mA scaling relays; Ana bincika waɗannan don dacewa kuma suna iya haifar da kuskure.

• TBAI tana da na'urar ID nata wanda VAIC ke yi masa tambayoyi. An ƙididdige ID ɗin allo a cikin guntu mai karantawa kawai mai ɗauke da lambar serial na allo, nau'in allo, lambar bita, da wurin haɗin JR, JS, da JT. Lokacin da na'ura mai sarrafa I/O ta karanta guntu kuma aka ci karo da rashin daidaituwa, an ƙirƙiri kuskuren rashin jituwa na hardware.