1769-OF2 Allen-Bradley Na'urar Fitarwa Mai Dacewa da PowerFlex

Takaitaccen Bayanin Samfuri

Allen-Bradley 1769-OF2 na’ura ce mai fitar da siginar analog mai daidaito sosai, wadda aka ƙera don tsarin CompactLogix da MicroLogix 1500. Wannan na’urar tashoshi 2 tana samar da muhimmin haɗi da ake buƙata don mayar da bayanan dijital na mai sarrafawa zuwa daidaitattun siginar analog domin sarrafa masu ɗaga-gida, bawuloli, da direbobin mota. 

Saitin Fasaha

Daidasashen Fitar Sigina

1769-OF2 yana ba da fitaccen tsabtar sigina tare da ƙudurin 14-bit unipolar da 15-bit bipolar. Ana iya saita kowane tashar dabam-dabam don nau’ukan zangon wuta daban-daban (±10V, 0-10V, 0-5V, 1-5V) ko kuma zangon ƙarfi (0-20mA, 4-20mA). Wannan sassauci yana ba 1769-OF2 damar haɗuwa cikin sauƙi da nau’o’in na’urorin filin aiki da yawa ba tare da buƙatar ƙarin na’urorin sauya sigina ba.

Ƙarfafa Bincike & Kariya

An ƙera 1769-OF2 don iyakar lokacin aiki ba tare da tsayawa ba, tare da kariya ta gajeriyar kewayawa (short-circuit) da kariya daga karin wuta (over-voltage) a ciki. Yana da fasalin gano buɗaɗɗen waya tun da wuri (open-wire detection) tare da lokacin amsawa na 10ms, wanda ke ba da damar mai sarrafawa ya gano ya kuma ɗauki mataki kan matsalolin wayoyi nan da nan. Waɗannan damar bincike na gwaji suna rage lokacin nemo matsala kuma suna kare na’urori masu santsi daga lalacewar wutar lantarki.

Ƙayyadaddun Bayanai na Fasaha

Jagorar Shigarwa & Kula da Na'ura

• Matsayin Backplane: 1769-OF2 yana da ƙimar nesa da wutar lantarki na 8. Dole ne a girka shi a cikin ramuka 8 na wutar tsarin 1769 domin tabbatar da ingantaccen aiki.
• Buƙatun wayoyi: Yi amfani da kebul mai garkuwa na 22-14 AWG solid ko 22-16 AWG stranded. A raba wayoyin analog da layukan AC masu ƙarfin wuta don hana tsangwamar sigina.
• Haɗin ƙasa (Grounding): Don kiyaye daidaiton sigina mai girma, a haɗa garkuwar kebul da ƙasa a wurin 1769-OF2 terminal block. Tabbatar cewa gefe guda kawai na garkuwar aka haɗa da ƙasa don kauce wa zagayen ƙasa (ground loops).
• Terminal Block: Modul ɗin yana amfani da 1769-RTBN18 removable terminal block, wanda ke ba da damar sauya modul cikin sauri ba tare da cire wayoyin filin aiki ba.

Fa'idodin Injiniya

1769-OF2 yana ba da ƙaramar hanya mai inganci don da'irorin kulawa masu buƙatar daidaito sosai. Lokacin amsa na 2.9ms yana dacewa da tsarin da ke aiki da sauri kamar daidaita matsa lamba ko daidaita gudun na'urorin tuƙi masu sauri. Ta hanyar haɗa waɗannan tashoshi kai tsaye cikin Compact I/O chassis, 1769-OF2 yana rage jinkirin da ake samu idan ana amfani da nesa (remote adapters), yana ba da tsarin kulawa mai saurin amsawa ga masu ƙera injuna.

Tambayoyin Fasaha (FAQs)

Q1: Shin 1769-OF2 yana buƙatar a daidaita shi (calibration) a wurin aiki?
A1: A'a. 1769-OF2 an daidaita shi a masana'anta da daidaito mai yawa, kuma baya buƙatar daidaitawa lokaci zuwa lokaci a wurin aiki.

Q2: Me zai faru idan an cire waya?
A2: 1769-OF2 na da ikon gano buɗaɗɗen waya wanda ke tayar da status bit a cikin controller cikin 10ms, wanda ke ba da damar tsarin lissafi ya fara kashewa cikin tsaro ko ya kunna ƙararrawa.

Q3: Zan iya shigar da 1769-OF2 a kwance ko a tsaye?
A3: An ƙera modul ɗin ne don shigar da shi a kan dogon DIN ko kan faifan hawa. Ko da yake shigarwa a kwance ita ce ta saba, tabbatar da akwai isasshen tazara a tsaye domin zafin jiki ya rabu da kyau kamar yadda aka bayyana a cikin littafin mai amfani.

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