Parameter Specifications

1. Part Number: 4D33816G01

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 isolated V-0 flame-retardant high-Tg FR-4

6. Dimension & Weight: 120mm × 66mm × 20.6mm; Net weight: 58g

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: 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 Performance

    Channel-to-backplane isolation: 1500V AC

    Dielectric withstand: 2000V AC / 60s

    Insulation resistance: ≥1200MΩ @ 500VDC

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

14. Protection & Diagnosis Functions

    Per-channel precise current limiting protection

    Bidirectional TVS high-energy surge absorption

    Reverse polarity miswiring protection

    Real-time detection of RTD sensor open/short-circuit fault

    Time-stamped fault status uploaded to master controller

15. Mechanical Reliability

    Continuous vibration resistance: 8g (10–150Hz)

    Shock resistance: 25g pulse, duration 11ms

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

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

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

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

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

Application Fields

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

   Standard temperature acquisition terminal for auxiliary cabinet cooling pipeline, pump/motor bearing and containment medium PT100 temperature probes.

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

   Isolated temperature signal conversion board for containment equipment shell, circulation pipeline and accident cooling system temperature sensors.

3. Thermal & Hydropower Station Main Control Systems

   RTD input module for boiler drum wall, turbine bearing, generator stator and cooling water PT100 detectors.

4. Explosion-Proof Petrochemical DCS Distributed Control System

   Wiring terminal for reactor wall, process pipeline medium and storage tank PT100 temperature sensors.

5. Offshore Oil & Gas Explosion-Proof Automation Racks

   Signal isolation board for wellhead crude pipeline, separator equipment and heating medium PT100 probes.

6. Large Diesel Generator Safety Sequential Control Cabinets

   Temperature input subcard for engine cylinder, main bearing and cooling circulation water PT100 sensors.

7. Municipal Large-Scale Water Treatment Safety Interlock DCS

   Isolation terminal for sewage pipeline, aeration tank and blower bearing PT100 temperature detectors.

8. Metallurgy and Cement Kiln Production Lines

   Temperature acquisition module for kiln shell, flue gas pipeline and raw material conveying equipment PT100 sensors.