Parameter Specifications

1. Part Number: 4D33816G04

2. Manufacturer: Emerson Westinghouse

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

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

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

6. Dimension & Weight: 120mm × 66mm × 20.6mm; Net Weight: 60g

7. Ambient Operating Envelope

   Operating Temperature: -30℃ ~ +75℃

   Storage Temperature: -50℃ ~ +130℃

   Humidity: 5%~98% RH, non-condensing

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

9. Input Channels: 12 fully independent galvanic isolated RTD input channels

10. Supported Sensor: 3-wire PT100 platinum resistance temperature detector

11. Standard Measurement Range: -200℃ ~ +850℃

12. Isolation Index

    Single channel 2200V AC isolation withstand; 2200V AC dielectric strength test for 60s; Insulation resistance ≥1500MΩ @500VDC

13. EMC Anti-interference Performance

    Power frequency interference attenuation ≥55dB, fully compliant with IEC 61000-6-2 industrial EMC specification

14. Protection & Intelligent Diagnosis Functions

    • Per-channel high-precision constant current limiting protection

    • Bidirectional ultra-high-energy surge absorption circuit

    • Reverse wiring polarity lockout protection

    • Microsecond-level real-time fault detection: RTD sensor open-circuit / short-circuit / three-wire breakage / poor contact fault

    • Nanosecond high-precision timestamp fault code real-time upload to master controller

    • Full capture of fault transient waveform + large-capacity permanent non-volatile historical fault storage

15. Mechanical Reliability

    Continuous vibration resistance 12g (10–150Hz); Shock resistance 30g pulse, 11ms duration

16. Core Feature: Single module hot swappable under energized rack without interrupting any safety temperature measurement loops

17. Certifications: CE, UL508, IEC60204-1, NRC Class 1E nuclear safety qualification

18. Aging Validation Standard: 96-hour full-load high-low temperature cyclic aging test + long-term thermal cycle fatigue durability verification

19. Design Service Life: ≥150,000 hours of 24/7 unattended continuous operation

20. Warranty Period: 12-month global unified warranty for original factory modules and certified factory refurbished modules

Application Fields

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

   Ultra-high isolation high-precision temperature acquisition terminal for reactor auxiliary cabinets, covering primary cooling system pipelines, main pump/motor bearing and containment atmosphere PT100 temperature monitoring points.

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

   Top-tier anti-interference temperature signal conversion board for containment core accident cooling circuits, reactor vessel outer wall and containment vent pipeline PT100 temperature probes.

3. Thermal & Hydropower Station Main Control Systems

   High-stability high-accuracy RTD input module for boiler drum wall, turbine/generator main bearing, stator winding and unit closed cooling water PT100 temperature detectors.

4. High-Risk Explosion-Proof Petrochemical DCS Distributed Control System

   Premium nuclear safety grade temperature wiring terminal card for reactor inner wall, high-temperature reaction pipelines and storage tank bottom wall PT100 temperature sensors.

5. Offshore Oil & Gas Explosion-Proof Automation Racks

   Anti-vibration ultra-stable isolation temperature acquisition interface for wellhead high-pressure crude pipelines, separator heating jackets and medium delivery pipelines PT100 probes.

6. Large Diesel Generator Safety Sequential Control Cabinets

   High-precision temperature input subcard for engine cylinder liner, crankshaft main bearing and closed circulation cooling water PT100 temperature sensors.

7. Municipal Large-Scale Water Treatment Safety Interlock DCS Systems

   High-performance isolation temperature measurement terminal for main sewage conveying pipelines, aeration tank walls and large blower motor bearing PT100 temperature detectors.

8. Metallurgy & Cement Kiln Production Lines

   Heavy-duty high-temperature precision acquisition module for rotary kiln outer shell, high-temperature flue gas headers and raw material roasting conveying equipment PT100 temperature sensors.