Parameter Specifications

1. Part Number: 4D33864G01

2. Manufacturer: Emerson Westinghouse

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

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

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

6. Dimension & Weight: 145mm × 66mm × 20.6mm; Net weight: 63g

7. Ambient Operating Envelope

   Operating Temp: -25℃ ~ +70℃

   Storage Temp: -50℃ ~ +125℃

   Humidity: 5%–95% RH, non-condensing

8. Power Supply: DC 12V / DC 24V dual adaptive wide-range input

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

10. Supported Standard Signals: 4–20mA DC loop current, 0–10V DC voltage

11. Isolation Performance

    Channel-to-backplane isolation: 1500V AC

    Dielectric withstand: 2000V AC / 60s

    Insulation resistance: ≥1200MΩ @ 500VDC

12. EMC Index: Power frequency interference attenuation ≥40dB, compliant with IEC 61000-6-2 industrial EMC standard

13. Protection & Diagnosis Functions

    Per-channel precise current limiting protection

    Bidirectional TVS high-energy surge absorption

    Reverse polarity miswiring lockout protection

    Real-time detection of analog loop open-circuit / short-circuit load fault

    Time-stamped fault status uploaded to master controller

14. Mechanical Reliability

    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 qualification

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

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

19. Warranty: 12-month global unified warranty for original & factory refurbished modules

Application Fields

1. Nuclear Power Plant Common Q Safety I&C Racks

   High-density analog signal acquisition terminal for reactor auxiliary cabinets, used for centralized collection of cooling system flow, pressure, liquid level and containment differential pressure transmitter signals.

2. AP1000 Nuclear Post-Accident Monitoring System (PAMS)

   Isolation analog signal conversion board for containment multi-point accident process measurement transmitters.

3. Thermal & Hydropower Station Main Control Systems

   High-density AI input module for boiler auxiliary multi-point pressure, feedwater flow and tank liquid level transmitters.

4. Explosion-Proof Petrochemical DCS Distributed Control System

   Field wiring terminal card for reactor multi-point medium pressure, pipeline flow and storage tank level analog transmitters.

5. Offshore Oil & Gas Explosion-Proof Automation Racks

   Isolation signal acquisition interface for wellhead manifold pressure, crude pipeline flow and separator liquid level transmitters.

6. Large Diesel Generator Safety Sequential Control Cabinets

   Multi-point analog input subcard for engine lubricating oil pressure, cooling water temperature and fuel flow transmitters.

7. Municipal Large-Scale Water Treatment Safety Interlock DCS

   High-density isolation measurement terminal for main pipeline flow, sedimentation tank liquid level and water pressure transmitters.

8. Metallurgy & Cement Kiln Production Lines

   Multi-channel analog acquisition module for kiln hearth pressure, flue gas flow and raw material bin level industrial transmitters.