Tavsif
The Woodward 8237-1247 ProTech-GII seriyasidan yuqori ishonchlilikdagi ortiqcha tezlikdan himoya moduli bo'lib, turbina rotorining tezligi va tezlanishini nazorat qilish uchun mo'ljallangan. U bug', gaz va gidro turbinalar uchun muhim xavfsizlik ilovalarida tezkor o'chirish imkoniyatini taqdim etadi.
Texnik xususiyatlar
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Model: 8237-1247
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Seriya: ProTech-GII
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O'rnatish turi: Bulkhead (shkaf eshigi yoki devor)
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O'lchamlari: 330 × 486 × 153 mm
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Og'irligi: Taxminan 12.1 kg (26 lbs 12 oz)
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Kirish kuchlanishi: Har modul uchun 100–150 VDC @ 30W; 24VDC past kuchlanish kirishi
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Joriy cheklovi: 500 mA
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Tripp javob vaqti: ≤12 ms
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Sensor kirishlari: 3 mustaqil MPU (faol/passiv)
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Aloqa: Modbus RTU, RS-232, RS-485, 4–20 mA tezlik chiqishi
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Atrof-muhit reytingi: IP56 qopqoq; H₂S, SO₂ va CO₂ ga chidamli
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Ishlash harorati: –20°C dan +60°C gacha
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Saqlash harorati: –20°C dan +65°C gacha
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Muvofiqlik: IEC 61508 SIL-3, IEC 721-3-3
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