Parameter Specifications

1. Part Number: 4D33676G02

2. Manufacturer: Emerson Westinghouse

3. Compatible System: Common Q Class 1E Safety Instrument & Control DCS System

4. Matching Components: Analog input master acquisition boards, 49E-3649 rack backplane, 475HP1ENA9GMT redundant rack power supply

5. PCB Material: Multi-layer thick copper isolated V-0 flame-retardant high-Tg FR-4

6. Dimension & Weight: 118mm × 64.5mm × 19.7mm; Net weight: 54g

7. Ambient Conditions: Operating temperature -25℃ ~ +70℃; Storage temperature -50℃ ~ +125℃; Humidity 5%–95% RH, non-condensing

8. Power Input: DC 12V / DC 24V dual adaptive power supply

9. Input Channels: 16 fully independent galvanic isolated analog input channels

10. Supported Signal Range: 4–20mA DC current signal, 0–10V DC voltage signal

11. Isolation Performance: 1800V AC isolation voltage per channel; 2000V AC dielectric withstand for 60s; Insulation resistance ≥1200MΩ @ 500VDC

12. EMC Index: Power frequency interference attenuation ≥45dB, compliant with IEC 61000-6-2 industrial EMC standard

13. Protection & Diagnosis: Per-channel precision current-limiting protection, bidirectional high-energy surge absorption, reverse polarity lockout, real-time open-circuit/short-circuit fault detection, high-precision timestamp fault code upload to main controller

14. Mechanical Performance: Continuous vibration resistance 8g (10–150Hz); Shock resistance 25g pulse, duration 11ms

15. Core Feature: Single-module hot swappable under energized rack

16. Certifications: CE, UL508, IEC60204-1, NRC Class 1E nuclear safety certification

17. Aging Test Standard: 72-hour full-load high-low temperature cyclic aging test

18. Design Service Life: ≥100,000 hours of 24/7 uninterrupted continuous operation

19. Warranty: 12-month global unified warranty

Application Fields

1. Nuclear power plant Common Q Class 1E safety I&C racks: Reinforced isolation analog signal acquisition terminal for auxiliary cabinet flow, pressure, liquid level and temperature transmitters

2. AP1000 nuclear Post-Accident Monitoring System (PAMS): High-stability isolation signal conversion board for auxiliary containment process analog transmitters

3. Thermal & hydropower station control systems: Upgraded analog input module for boiler water flow, main steam pressure and drum water level transmitters

4. Explosion-proof petrochemical DCS distributed control system: Anti-interference wiring card for reactor pressure, pipeline flow and storage tank liquid level analog transmitters

5. Offshore oil & gas explosion-proof automation racks: Signal isolation interface for wellhead pressure, crude oil pipeline flow and medium temperature transmitters

6. Large diesel generator safety sequential control cabinets: Analog input subcard for engine oil pressure, cooling water temperature and fuel flow transmitters

7. Municipal large-scale water treatment safety interlock DCS: Reinforced isolation terminal for pipeline flow, sedimentation tank liquid level and water pressure transmitters

8. Metallurgy and cement kiln production lines: High-precision analog signal acquisition module for kiln internal pressure, flue gas flow and raw material bin level transmitters