1. Product Overview / Обзор продукта

The Triconex 3481 is a high-performance Digital Input (DI) Module specifically engineered for the Triple Modular Redundancy (TMR) controller architecture. It is designed to interface with 120 VDC discrete signals, providing high-integrity monitoring for safety-critical applications. The 3481 is essential for power-sensitive industries where DC-powered field contacts are used to ensure maximum reliability and speed during emergency shutdown (ESD) events.

Ключевое преимущество: Модуль 3481 предназначен для работы с сигналами 120 В постоянного тока, обеспечивая исключительную надежность и быстродействие в системах противоаварийной защиты (ПАЗ).

2. Technical Specifications / Технические характеристики

Model / Модель:	Triconex 3481
Type / Тип:	Digital Input (DI) / Цифровой ввод
Voltage / Напряжение:	120 VDC (Nominal) / 120 В пост. тока
Points / Количество точек:	32 Isolated Points / 32 изолированные точки
Architecture / Архитектура:	TMR (Triple Modular Redundancy) / Тройное резервирование
Safety Class / Класс:	SIL3 Certified / Сертифицировано SIL3
Response Time / Скорость:	< 10 ms (High-speed detection)

3. Verification & Quality Control

1. DC Voltage Threshold Test: Every channel is tested to ensure accurate switching at the 120 VDC threshold, preventing false signals due to battery voltage fluctuations.

2. Backplane Interface Micro-Audit: High-resolution inspection of connection pins to ensure zero-latency communication within the Tricon rack.

3. Circuit Integrity Check: We verify the module's internal diagnostics for point-level fault detection, ensuring it meets SIS integrity standards.

4. Static-Safe (ESD) Processing: Handled in ISO-certified anti-static zones and sealed in 3-layer protective shielding.

5. 12-Month Hardware Warranty: Full one-year guarantee on hardware performance for global industrial clients.

4. Global Logistics & Support / Логистика и поддержка

1. Direct Delivery to CIS & Middle East: Specialized shipping routes to Kazakhstan (Atyrau), Uzbekistan, UAE (Abu Dhabi), and Saudi Arabia.

2. Verified Inventory: Ready-to-ship stock of the 3481 to help avoid long factory lead times and expensive system downtime.

3. Pre-shipment Video Inspection: We provide high-definition video of your specific module, showing serial numbers and successful diagnostic results.

4. International Export Handling: Professional neutral packaging and complete documentation for smooth customs clearance in Eastern Europe and the Middle East.

5. FAQ / Часто задаваемые вопросы

1. What is the difference between 3481 and 3401? / В чем разница между 3481 и 3401? The 3481 is for 120 VDC (Direct Current), while the 3401 is for 115 VAC (Alternating Current). They are not interchangeable. (3481 предназначен для постоянного тока, а 3401 — для переменного.)

2. Is the 3481 suitable for high-speed turbine trips? / Подходит ли 3481 для высокоскоростного отключения турбин? Yes, its high-voltage DC logic is optimized for rapid response times in critical utility and power generation loops.

3. Can you provide a Certificate of Conformance? / Предоставляете ли вы сертификат соответствия? We provide a Xiongba Automation Inspection Report and a 12-month warranty certificate to verify hardware integrity.

Related Models

3401

3500-15