Woodward 9905-970, yang turut disenaraikan sebagai modul input LinkNet 9905-970, berfungsi sebagai komponen perkakasan khusus untuk memperoleh sehingga enam isyarat analog dalam sistem kawalan turbin.
Spesifikasi Perkakasan
Parameter
Spesifikasi
Model
9905-970
Jenama
Woodward
Asal
Amerika Syarikat
Berat
~2 paun
Dimensi
14 × 11 × 4 inci
Suhu Operasi
-40 darjah C hingga +85 darjah C
Voltan Input
24 VDC
Arus Operasi Maksimum
12 V
Saluran Input
6 saluran analog
Impedans Input
33 kΩ
Paparan
LED 24 aksara
Perlindungan Transien
900 VDC
Jenis Peranti
Modul input 6 saluran LinkNet
Keserasian Sistem
Sistem kawalan turbin Woodward Siri 9900
Penskalaan Kepadatan I/O
9905-970 menyediakan enam saluran input analog bebas untuk memantau parameter turbin seperti suhu, tekanan dan kadar aliran. Dengan impedans input 33 kΩ serta perlindungan transien sehingga 900 VDC, modul ini memastikan pemerolehan isyarat yang konsisten. Reka bentuknya menyokong kebolehskalaan apabila disepadukan dengan komponen LinkNet lain, sekali gus membolehkan pengembangan fleksibel sistem pemantauan turbin. Paparan LED memberikan maklum balas langsung tentang status saluran dan diagnostik.
Soalan Lazim
S: Apakah yang perlu diperiksa jika semua LED Fault pada casis menyala? J: Periksa modul CPU untuk mengesan kerosakan kerana modul tersebut mungkin menyebabkan keadaan rosak.
S: Bagaimana jika hanya LED Fault menyala atau berkelip? J: Pastikan modul dipasang pada slot yang betul. Jika masalah berterusan, gantikan modul tersebut.
S: Apakah tindakan yang perlu diambil apabila kerosakan modul dikesan? J: Nyahdayakan atau nyahbekalkan tenaga kepada output untuk mengelakkan kerosakan fungsi yang disebabkan oleh modul rosak.
Garis Panduan Pemasangan Di Lapangan
Pasang modul dengan kukuh pada slot casis yang ditetapkan.
Pastikan kabel berperisai dibumikan pada satu titik untuk meminimumkan EMI.
Kekalkan jarak antara pendawaian isyarat analog dengan litar voltan tinggi.
Sahkan kekutuban semasa menyambungkan talian bekalan 24 VDC.
Patuh had persekitaran (-40 hingga +85 darjah C) semasa pemasangan.
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