Parameter Specifications

1. Part Number: 4D33764G01

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

8. Power Supply: DC 12V / DC 24V dual 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 Performance: 1500V AC isolation voltage per channel; 2000V AC dielectric withstand for 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: Per-channel current-limiting protection, bidirectional surge absorption, reverse polarity protection, sensor open/short-circuit fault detection, real-time fault status upload to main controller

15. Mechanical Performance: 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 certification

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

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

20. Warranty: 12-month global unified warranty

Application Fields

1. Nuclear power plant Common Q Class 1E 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 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.