1. Product Overview / Обзор продукта

The Woodward 8920-PS-DC is the primary Power Supply Module for the distributed LinkNet I/O family. Engineered to convert standard 24VDC site power into the regulated voltages required by LinkNet input and output modules, this unit acts as the "heart" of the I/O rail. It ensures that sensitive modules (like the 8521-TC or 8851-LC) receive clean, ripple-free power for accurate signal processing. Its compact, DIN-rail mountable design and high industrial-grade isolation make it a critical component for maintaining the uptime of Woodward MicroNet and Atlas control systems.

Ключевое преимущество: Блок питания 8920-PS-DC обеспечивает энергией всю цепочку модулей LinkNet. Он преобразует стандартное напряжение 24 В пост. тока в стабилизированное питание, необходимое для работы датчиков и модулей ввода-вывода. Высокая степень изоляции и надежность делают его незаменимым для бесперебойной работы систем управления на турбинах и компрессорных станциях.

2. Key Specifications / Технические характеристики

1. Model / Модель: 8920-PS-DC

2. Brand / Бренд: Woodward

3. Series / Серия: LinkNet I/O

4. Input Voltage / Входное напряжение: 18–40 VDC (24VDC Nominal)

5. Output / Выход: Regulated power for LinkNet modules / Стабилизированное питание для модулей

6. Protection / Защита: Over-voltage, short-circuit, and reverse polarity protection

7. Mounting / Монтаж: Standard 35mm DIN-rail / Монтаж на DIN-рейку 35 мм

8. Status Indicators: LED for "Power OK" and fault diagnostics

3. Verification & Quality Control

1. Voltage Stability Audit: We test the module under full load to ensure the output remains perfectly stable within Woodward's specified tolerances.

2. Ripple & Noise Check: Verification that the DC output is free from electrical noise that could interfere with sensitive thermocouple or load cell readings.

3. Thermal Stress Test: Running the 8920-PS-DC in an industrial-grade environment to ensure no overheating during continuous operation.

4. Terminal Block Inspection: Detailed check of the power input and output terminals for secure mechanical and electrical connectivity.

5. 12-Month Hardware Warranty: Full one-year B2B guarantee, ensuring a reliable power source for your critical control system infrastructure.

4. Global Logistics & Support / Логистика и поддержка

1. Priority Shipping to Strategic Regions: Express delivery to Kazakhstan (Atyrau), Uzbekistan (Tashkent), UAE, and Poland.

2. Verified Inventory for Emergencies: We keep the 8920-PS-DC in stock to help plants resolve total I/O failures caused by power supply surges or aging.

3. HD Pre-dispatch Confirmation: We provide high-definition photos and video showing the module’s serial number and "Green Power LED" status before shipping.

4. Customs-Ready Documentation: Professional commercial invoicing and neutral packaging to ensure rapid customs clearance in the CIS and Middle East.

5. FAQ / Часто задаваемые вопросы

1. Can one 8920-PS-DC power multiple modules? / Может ли один 8920-PS-DC питать несколько модулей? Yes, a single power supply can typically power an entire rail of LinkNet modules, but the total current draw must not exceed the module's rated capacity. (Да, один блок питания может обеспечивать энергией целую группу модулей LinkNet, если суммарный ток не превышает допустимый предел.)

2. What happens if the input polarity is reversed? The 8920-PS-DC features built-in reverse polarity protection to prevent internal damage during incorrect field wiring.

3. How fast is delivery to Atyrau, Kazakhstan? / Как быстро осуществляется доставка в Атырау? Via DHL Express, typical delivery to major industrial hubs in Kazakhstan takes 5 to 7 working days with full tracking.

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