lihlahisoa

IS200VAICH1C ke Boto ea VME Analog Input/Output (VAIC) e entsoeng ke General Electric e le karolo ea Letoto la Mark VI le sebelisoang lits'ebetsong tsa taolo ea turbine ea khase. Boto ea Analog Input/Output (VAIC) e amohela li-analoge tse 20 le ho laola lihlahisoa tse 4 tsa analoge. Boto e 'ngoe le e' ngoe ea terminal e amohela lintlha tse 10 le liphetho tse 2. Lithapo li hokahanya boto ea terminal ho rack ea VME moo boto ea processor ea VAIC e leng teng. VAIC e fetolela lintho tse kenang ho boleng ba dijithale ebe e li fetisetsa holim'a sefofane sa morao sa VME ho boto ea VCMI, ebe ho ea ho molaoli. Bakeng sa liphetho, VAIC e fetolela boleng ba dijithale ho maqhubu a analog ebe e tsamaisa tsena ka boto ea terminal ho ea potolohong ea bareki. VAIC e ts'ehetsa lits'ebetso tsa simplex le triple modular redundant (TMR). Ha e sebelisoa tlhophisong ea TMR, matšoao a ho kenya botong ea terminal a fepeloa ho liraka tse tharo tsa VME board R, S, le T, e 'ngoe le e 'ngoe e na le VAIC. Matshwao a dipoelo a kgannwa ka sedikadikwe sa mong'a ntlo se bopang hona jwale se lakatswang ho sebedisa di-VAIC tse tharo kaofela. Ha ho e-na le ho hlōleha ha hardware, VAIC e mpe e tlosoa ho tsoa 'me mapolanka a mabeli a setseng a tsoela pele ho hlahisa nako e nepahetseng. Ha e sebelisoa ka mokhoa oa simplex tlhophiso, boto ea terminal e fana ka matšoao a ho kenya VAIC e le 'ngoe, e fanang ka maqhubu 'ohle bakeng sa liphello.
TSAMAISANO

Ho na le meloko e 'meli ea boto ea VAIC e nang le liboto tsa terminal tse tsamaellanang. VAIC ea mantlha e kenyelletsa mefuta eohle ea pele le ho kenyelletsa VAICH1C. VAICH1B e kenyelelitsoe molokong ona. Ha u khanna lihlahisoa tsa 20 mA mapolanka ana a tšehetsa ho hanyetsa boima ba 500 qetellong ea 1000 ft ea #18 terata. Moloko ona oa boto o hloka boto ea terminal TBAIH1B kapa pejana bakeng sa ts'ebetso e nepahetseng. Li boetse li sebetsa hantle ka lintlafatso tsohle tsa liboto tsa terminal tsa DTAI. VAICH1D e ncha ka ho fetesisa le litlatsetso life kapa life tse latelang li etselitsoe ho ts'ehetsa khanyetso ea mojaro o phahameng bakeng sa 20 mA output voltage voltage: ho fihla ho 18 V e fumaneha liteishene tsa screw board. Sena se lumella ts'ebetso ho meroalo ea 800 ka 1000 ft ea #18 terata e nang le margin. Moloko ona oa boto o hloka TBAIH1C kapa hamorao, kapa tokiso efe kapa efe ea STAI.

Setšoantšo sa 1: VAIC, Liboto tsa Input tsa Analog, le Cabling (TMR System)

KEKETSO

• Fokotsa rack ea processor ea VME

• Thellela ka har'a boto 'me u sutumelle li-levers tse ka holimo le tse ka tlaase ka matsoho a hao ho beha lihokelo tsa eona tse ka thōko

• Tiisa li-screws tse hapuoeng ka holimo le tlase ho phanele e ka pele

TS'EBETSO

Boto ea VAIC e amohela li-input tsa 20 tsa analog, e laola lihlahisoa tsa analog tse 4, 'me e na le boemo ba matšoao, MUX ea analog, converter ea A / D, le D / A converter. Mofuta oa ho kenya analoge, ebang ke voltage, 4-20 mA, kapa boto ea terminal. Li-circuits tse 'nè ho tse' nè tsa analoge ke 4-20 mA 'me tse ling tse peli li ka hlophisoa bakeng sa 4-20 mA kapa 0-200 mA. Lintho tse kenang le tse hlahisoang li na le potoloho e thibelang lerata ho itšireletsa khahlanong le ho phahama le lerata le phahameng.

Setšoantšo sa 2: VAIC le Analog Input Terminal Board, Simplex System

Sistimi ea TMR, li-input tsa analog li fetela ho lirakeng tse tharo tsa taolo ho tloha JR1, JS1, le JT1. Matla a 24 V dc ho li-transducer a tsoa lirakeng tsohle tse tharo tsa VME 'me ke diode KAPA e khethiloe botong ea terminal. Sehlahisoa se seng le se seng sa hona joale sa analog se fepeloa ke maqhubu a tsoang ho li-VAIC tse tharo kaofela. Sephetho sa 'nete sa hona joale se lekantsoe ka letoto la resistor, le fepang motlakase ho VAIC ka 'ngoe. Sephetho se hlahisoang ke boleng bo bohareng bo voutetsoeng (bohareng) ba maqhubu a mararo. Palo e latelang e bontša VAIC tokisetsong ea TMR. Li-transmitters / transducers li ka tsamaisoa ke mohloli oa 24 V dc tsamaisong ea taolo kapa li ka tsamaisoa ka boikemelo. Diagnostics e lekola tlhahiso e 'ngoe le e' ngoe 'me phetisetso ea ho ipolaea e khaola sephetho se ts'oanang haeba phoso e ke ke ea hlakoloa ka taelo e tsoang ho processor. Lisefe tsa Hardware botong ea terminal li hatella lerata le phahameng haholo. Li-filters tse ling tsa software ho VAIC li fana ka sefa se ka lokisetsoang sa phase e tlase.

TLHOKOMELISO SEBAKA

Firmware ea VAIC e kenyelletsa tlhahlobo ea sethala sa turbine compressor, e sebelisoang ho 200 Hz. Ho ka khethoa li-algorithms tse peli tsa sethala. Ka bobeli li sebelisa likenyelletso tse 'ne tsa pele tsa analog, tse hlahlojoang ho 200 Hz. Algorithm e 'ngoe ke ea li-turbine tse nyane tsa khase ea LM mme e sebelisa li-transducers tse peli tsa khatello (sheba setšoantšo, Small (LM) Gas Turbine Compressor Stall Detection Algorithm). Algorithm e 'ngoe ke ea li-turbine tsa khase tse boima haholo' me e sebelisa li-transducer tse tharo tsa khatello (sheba setšoantšo, Heavy Duty Gas Turbine Compressor Stall Detection Algorithm). Lintho tse kenang ka nako ea sebele li arotsoe ho li-parameter tse lokiselitsoeng bakeng sa ho hlaka. CompStalType parameter e khetha mofuta oa algorithm e hlokahalang, ebang ke li-transducers tse peli kapa tse tharo. PS3 ke khatello ea ho tsoa ha compressor. Ho theoha ha khatello ena (ho theoha ha PS3) ho bontša sebaka se ka khonehang sa compressor. Algorithm e boetse e lekanya sekhahla sa phetoho ea khatello ea ho lahla, dPS3dt, 'me e bapisa litekanyetso tsena le li-parameter tse hlophisitsoeng tsa stall (KPS3 constants). Leeto la li-compressor stall le qalisoa ke VAIC, e romellang letšoao ho molaoli moo e sebelisetsoang ho qala ho koala. Letšoao la ho koala le ka sebelisoa ho seta li-valve tsohle tse koalang mafura (FSOV) ka tlhahiso efe kapa efe ea relay.

Li-LED tse tharo tse ka holimo ho phanele e ka pele ea VAIC li fana ka lintlha tsa boemo. Boemo bo tloaelehileng ba RUN bo botala bo benyang, 'me FAIL ke bofubelu bo tiileng. LED ea boraro e bonts'a STATUS 'me hangata e tima, empa e bonts'a lamunu e tsitsitseng haeba boemo ba alamo ea tlhahlobo bo teng botong. Litlhahlobo tsa tlhahlobo li kenyelletsa tse latelang:

• Kenyelletso e 'ngoe le e' ngoe ea analoge e na le tlhahlobo ea moeli oa Hardware ho ipapisitsoe le maemo a holimo le a tlase a behiloeng esale pele (a sa lokisoeng) a haufi le lipheletsong tsa sebaka sa ts'ebetso. Haeba moeli ona o fetisitsoe lets'oao la kelello le setiloe 'me tlhahiso ha e sa hlahlojoa. Haeba e teng L3DIAG_VAIC, e bolelang boto kaofela. Lintlha tsa tlhahlobo ea motho ka mong li fumaneha lebokoseng la lithulusi. Matshwao a tlhahlobo a ka hlophiswa ka bonngwe, ebe a setwa botjha ka letshwao la RESET_DIA.

• Kenyelletso e 'ngoe le e' ngoe e na le tlhahlobo ea moeli oa sistimi e ipapisitseng le maemo a holimo le a tlase a ka lokisoang. Meeli ena e ka sebelisoa ho hlahisa lialamo 'me e ka hlophisoa bakeng sa ho nolofalletsa / ho thibela, hape e le ho latching / ho se latching. RESET_SYS e seta tse tsoileng moeling.

• Litsamaisong tsa TMR, haeba lets'oao le le leng le fapana ho tsoa ho boleng bo voutetsoeng (boleng bo bohareng) ho feta moeli o reriloeng esale pele, lets'oao leo lea tsejoa 'me ho etsoa phoso. Sena se ka fana ka sesupo sa pele sa bothata bo hlahang mocha o le mong.

• Lekola liphetho tsa D/A, maqhubu a tlhahiso, kakaretso ea hajoale, li-relay tsa ho ipolaea, le li-relay tsa 20/200 mA; tsena li hlahlojoa hore na li na le kahlolo e molemo 'me li ka baka phoso.

• TBAI e na le sesebelisoa sa eona sa ID se hlongoang lipotso ke VAIC. ID ea boto e kentsoe ka har'a chip e baloang feela e nang le nomoro ea serial board, mofuta oa boto, nomoro ea ntlafatso, le sebaka sa sehokelo sa JR, JS, le JT. Ha chip e baloa ke processor ea I/O 'me ho kopana le ho se lumellane, ho hlaha phoso ea ho se lumellane ha hardware.