GE IS200SHRAH2A HART An kunna Analog IO Terminal Board

IS200SHRAH2A babban aiki ne, ƙarami HART (Hanyar Mai Canja Wuta Mai Rarraba Babban Hanya) tana ba da damar shigar da tashar tashar analog/fitarwa a cikin tsarin sarrafa Janar Electric (GE) Mark VIe. A matsayin memba na dangin SHRA, IS200SHRAH2A an tsara shi musamman don haɗawa zuwa fakitin PHRA I / O (samfurin IS220PHRA), yana ba da tashoshi 10 na shigarwar analog na 4-20 mA da tashoshi 2 na fitowar analog na 4-20 mA don sarrafa tsarin masana'antu. A lokaci guda yana goyan bayan watsawa bidirectional na ka'idar sadarwar HART. Samar da ƙirar tasha mai dacewa wacce ke sauƙaƙa sauƙaƙe wayoyi da aikin kulawa, wannan kwamiti shine kyakkyawan zaɓi don siyan siginar tsari da sarrafa madaukai a cikin masana'antar petrochemical, samar da wutar lantarki, da masana'antar ƙarfe.

Babban fa'idar IS200SHRAH2A ta ta'allaka ne a cikin iyawar sa ta HART. Yana ba da damar umarnin HART waɗanda suka samo asali daga tsarin sarrafawa (ta hanyar fakitin PHRA I/O) don wucewa ba tare da tsangwama ba zuwa masu watsawa mai wayo na HART, kuma yana mayar da siginar amsa HART daga na'urorin filin zuwa tsarin sarrafawa. Wannan yana ba da damar daidaita ma'aunin nesa, dawo da bayanan bincike, da saka idanu kan matsayin na'urar ba tare da shafar siginar analog na 4-20mA na yau da kullun ba. Wannan fasalin yana ba masu amfani damar yin amfani da ci gaba na aikin na'urorin filin fasaha ba tare da buƙatar ƙarin wayoyi ba.

Matsayin Tsarin da Daidaitawa

A cikin tsarin gine-ginen sarrafawa na Mark VIe, IS200SHRAH2A yana aiki a matsayin wani ɓangare na tsarin I/O, wanda aka sanya tsakanin cibiyar sadarwar Ethernet mai sarrafawa da na'urorin filin. Yanayin aiki shine kamar haka: fakitin PHRA I/O yana toshe kai tsaye cikin mahaɗin nau'in D akan allon IS200SHRAH2A kuma yana musayar bayanai mai sauri tare da mai sarrafawa akan Ethernet. Ɗaya daga cikin IS200SHRAH2A yayi daidai da fakitin PHRA I/O guda ɗaya, yana samar da ƙaramin analog na siye da naúrar fitarwa.

Yana da mahimmanci a lura cewa IS200SHRAH2A kawai ya dace da fakitin PHRA I/O (duk nau'ikan IS220PHRA) kuma bai dace da fakitin YHRA I/O ba. Kwamitin yana ba da tsari mai sauƙi kawai kuma baya goyan bayan aikace-aikacen Sau uku Modular Redundant (TMR), yana mai da shi dacewa da madaukai masu mahimmanci waɗanda ke da tsada ko suna da ƙarancin buƙatun sakewa.

Babban Fasalolin Aiki

1. Mawadaci Analog Input da Fitar Tashoshi

IS200SHRAH2A tana ba da abubuwan shigar analog 10 da abubuwan analog guda 2, jimlar tashoshi 12. Daga cikin waɗannan, ana iya daidaita abubuwan shigarwa guda 8 ta hanyar masu tsalle don ko dai 4-20 mA shigarwar halin yanzu ko ± 5 V DC shigarwar ƙarfin lantarki, wanda ke ɗaukar buƙatu daban-daban na mu'amalar watsawa. Ana iya saita ƙarin abubuwan shigarwa na 2 don ko dai 4-20 mA ko ± 1 mA shigarwar halin yanzu, yana ba da hanyar haɗin kai mai sassauƙa don sigina na ƙanana na yanzu. Abubuwan analog guda 2 sune daidaitattun abubuwan fitarwa na 4-20mA na yanzu, masu iya ɗaukar nauyi kai tsaye kamar masu kunnawa, masu sakawa, ko masu rikodi.

Hukumar tana ba da wadatar 24 V DC don duk masu watsawa, tare da matsakaicin 21 mA kowace tashoshi. Wannan na iya ba da wutar lantarki kai tsaye masu watsa wayoyi biyu, sauƙaƙe ƙirar rarraba wutar lantarki.

2. Sadarwar HART mai gaskiya

Ka'idar HART ƙa'idar masana'antu ce wacce ke haɓaka siginar mitar akan siginar analog na 4-20mA don cimma sadarwar dijital. IS200SHRAH2A tana goyan bayan cikakken siginar HART wucewa: lokacin da aka saita tashar shigarwa don yanayin 4-20 mA na yanzu ta hanyar masu tsalle, ana iya watsa siginar da aka daidaita ta HART ta hanyar hanyar haɗin bayanan da ta ƙunshi allon tashar tashar, fakitin PHRA I/O, da mai sarrafawa. Tsarin sarrafa kadari ko masu sadarwa na HART na hannu akan tsarin sarrafawa na iya amfani da wannan hanyar don samun damar na'urorin HART daga nesa, gano na'urar karantawa, sigogin daidaitawa, bayanan bincike, da bayanai masu yawa. Wannan yana haɓaka ingantaccen sarrafa kayan aiki da iyawar tsinkaya.

Lura cewa sadarwar HART tana samuwa ne kawai lokacin da aka saita shigarwa zuwa yanayin 4-20 mA. Idan an saita shigarwa don ± 5 V DC ƙarfin lantarki ko ± 1 mA halin yanzu, siginar HART za a ware ko tacewa, yana hana sadarwa.

3. Zane-zane na Tasha

Ba kamar ƙayyadaddun tashoshi na SHRAH1A ba, IS200SHRAH2A tana ɗaukar madaidaicin kusurwar kusurwa wanda ke karɓar nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'in katanga na yuro-block mai toshe 48-pin. Wannan ƙira yana ba da dacewa mai mahimmanci: yayin da ake yin wayoyi a filin, duk igiyoyi za a iya fara sauka a kan toshe tashar da za a iya toshewa, wanda za'a iya saka shi a kan allo a matsayin guda ɗaya don shigarwa cikin sauri. Lokacin da za a maye gurbin allo, toshe tashar tashar kawai yana buƙatar cirewa, kawar da buƙatar cire kowace waya daban-daban, wanda ke rage raguwa sosai don kulawa. Ana ba da wurin saukar ƙasa don garkuwar kebul na I/O kusa da toshewar tasha, yadda ya kamata yana murkushe tsangwama na lantarki.

4. Kanfigareshan Jumper mai sassauƙa

IS200SHRAH2A tana samun daidaitawar tashoshi mai sassauƙa ta hanyar masu tsalle-tsalle, suna ba da damar daidaitawa zuwa nau'ikan siginar filin daban-daban ba tare da sauye-sauye na hardware ba. Takamaiman ayyukan jumper sune kamar haka:

Duk sauran saitunan, kamar saitunan kewayon, sigogin tacewa, da damar sadarwar HART, ana yin su ta fakitin PHRA I/O ta software na aikace-aikacen ToolboxST, ba tare da buƙatar sarrafa tashar tashar da kanta ba.

5. Binciken Kan Jirgin Sama da Ganewa

IS200SHRAH2A yana ba da jerin resistor ga kowane tashar fitarwa ta analog. Juyin wutar lantarki a kan wannan resistor yana nuna ainihin fitarwa na halin yanzu, yana ba da damar fakitin PHRA I/O don yin bincike na lokaci-lokaci. Idan ɗaya daga cikin abubuwan analog ɗin ya zama mara lafiya (misali, saboda buɗaɗɗen da'irar, gajeriyar kewayawa, ko yin nauyi), PHRA za ta haifar da ƙararrawar ganowa.

Hakanan an haɗa guntu ID mai karantawa kawai a kan kan jirgi, tana adana lambar serial ɗin tashar tashar, nau'in allo, lambar bita, da wurin haɗin JR/JS/JT mai alaƙa. Fakitin PHRA I/O tana karanta wannan guntun ID akan fara kunna wutar lantarki. Idan aka gano rashin daidaituwa tsakanin ainihin ƙirar allo da aka haɗa da wanda aka saita, za a haifar da kuskuren rashin jituwa na kayan masarufi, yadda ya kamata ya hana rashin daidaituwar tsarin lalacewa ta hanyar shigar da allon kuskure.

6. Faɗin Tallafi

IS200SHRAH2A tana goyan bayan hanyoyin watsa wayoyi da yawa, gami da:

• Masu watsa wayoyi biyu : Ƙarfafawa ta hanyar samar da 24 V DC daga allon tashar; sigina da wuta suna raba wayoyi guda ɗaya.

• Masu watsa wayoyi uku : Ƙarfin wutar lantarki ta 24 V DC daga tashar tashar; sigina da wutar lantarki suna raba waya gama gari.

• Masu watsa wayoyi huɗu : Sigina da iko sun rabu gaba ɗaya; Ana amfani da mai watsawa da kansa ko kuma daga kayan da ke kan jirgin.

• Masu watsa wutar lantarki na waje : Ana samun wutar lantarki ta hanyar waje; kawai siginar 4-20 mA an haɗa shi zuwa allon tashar.

Wannan daidaituwar tana ba IS200SHRAH2A damar haɗawa ba tare da ɓata lokaci ba cikin tsare-tsaren wayar da ake da su a filin, tare da kare saka hannun jarin mai amfani.

Abubuwan Shigarwa da Waya

Shigar da IS200SHRAH2A yana bin waɗannan matakan: da farko, haɗa insulator ɗin filastik da allon tasha, sannan a tsare su zuwa farantin hawan ƙarfe (ko bracket). A ƙarshe, ɗaga farantin karfen a kan dogo na DIN ko kushe shi kai tsaye cikin majalisar. Don yin wayoyi, ana ba da shawarar yin amfani da 18 AWG (kimanin 0.8 mm²) kebul na murɗaɗɗen garkuwa don murkushe tsangwama na lantarki da tabbatar da amincin sigina. Ya kamata a ƙare wayar magudanar garkuwa ta kebul a wurin da aka keɓe na ƙasa kusa da tashar tashar don guje wa ƙirƙirar madaukai na ƙasa.

Yin amfani da tubalan tasha masu toshewa: saka ƙarshen wariyar da aka cire a cikin ramukan da ke daidai da toshewar tashar kuma ƙara skru. Bayan tabbatar da haɗin kai amintacce ne, daidaita duk shingen tasha tare da taken kusurwar dama akan allo kuma tura shi zuwa wurin don kammala haɗin wutar lantarki. Yayin sauyawa, kawai cire toshe tashar tashar daga tsohuwar allo, shigar da sabon allon, sannan toshe shingen tashar baya ciki. Ba a buƙatar sake kunnawa, rage raguwa sosai.

Yanayin aikace-aikace

IS200SHRAH2A ya dace da aikace-aikacen sarrafa tsarin masana'antu daban-daban. Aikace-aikace na yau da kullun sun haɗa da:

• Samun siginonin watsa wayoyi biyu ko hudu don masu canjin tsari kamar matsa lamba, zazzabi, kwarara, da matakin.

• Fitowar sigina na sarrafawa na 4-20mA zuwa masu kunnawa kamar masu sanya bawul mai wayo da masu tafiyar da sauri.

• Ayyukan sarrafa kadari suna buƙatar samun nisa zuwa kayan aikin HART don daidaitawa da bincike.

• Tsarin Simplex tare da gine-ginen mai sarrafawa guda ɗaya, kamar tsarin taimako, kula da ruwa, da sarrafa tukunyar jirgi.