Parameter Specifications

1. Part Number: 4D33922G01

2. Manufacturer: Emerson Westinghouse

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

4. Matching Accessories: RTD 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 substrate

6. Dimension & Weight: 145mm × 66mm × 20.6mm; Net weight: 62g

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 Type: 3-wire PT100 platinum thermal resistance

    Temperature measurement range: -200℃ ~ +850℃

    Measurement precision: ±0.05℃ full span

    Lead wire resistance compensation range: 0 ~ 20Ω per wire

11. Isolation Performance

    Channel-to-backplane isolation: 1500V AC

    Dielectric withstand: 2000V AC / 60s

    Insulation resistance: ≥1200MΩ @ 500VDC

12. EMC Anti-interference Performance

    Power frequency interference attenuation ≥40dB, fully compliant with IEC 61000-6-2 industrial EMC standard

13. Protection & Intelligent Diagnosis Functions

    Per-channel constant current source overcurrent limiting protection

    Bidirectional TVS high-energy surge absorption circuit

    Reverse wiring polarity lockout anti-damage protection

    Real-time full fault detection: RTD wire open-circuit, short-circuit, lead wire over-resistance, sensor aging resistance drift

    Time-stamped fault status + channel number + fault type 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 without interrupting safety equipment temperature monitoring loops

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 + precision temperature calibration screening

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

19. 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

   Dedicated high-precision multi-point temperature acquisition terminal for reactor auxiliary safety cabinets, centralized collection of primary coolant pipeline PT100 signals, main pump bearing temperature and steam generator auxiliary component temperature monitoring points.

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

   Isolated multi-channel RTD input board for containment passive cooling medium temperature sensors, containment atmosphere temperature measuring points and post-accident core auxiliary equipment thermal monitoring.

3. Thermal & Hydropower Station Main Control Systems

   High-density dedicated RTD module for boiler drum wall temperature, turbine bearing temperature, generator stator cooling air temperature monitoring measuring points.

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

   Special temperature wiring terminal card for reactor wall temperature, high-temperature medium pipeline PT100 sensors and storage tank wall temperature measuring points in hazardous zones.

5. Offshore Oil & Gas Explosion-Proof Automation Racks

   Isolation RTD acquisition interface for separator equipment bearing temperature, crude pipeline medium temperature and marine platform heating equipment temperature probes.

6. Large Diesel Generator Safety Sequential Control Cabinets

   Multi-point temperature input subcard for genset cylinder exhaust temperature, bearing bush temperature and cooling water pipeline PT100 sensors.

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

   High-precision isolation temperature terminal for heat exchange pipeline medium temperature, sludge drying equipment bearing temperature measuring points.

8. Metallurgy & Cement Kiln Production Lines

   Dedicated high-temperature RTD acquisition module for kiln shell wall temperature, flue gas pipeline temperature and raw material preheating equipment PT100 probes.

Series Unified Iteration Rule (Consistent with full Common Q I/O board product line)

• G01: Standard basic industrial version, 1500V isolation, 40dB EMI attenuation, basic wire break/short-circuit fault alarm, no waveform storage

• G02: Reinforced industrial enhanced version, 1800V isolation, 45dB attenuation, optimized high-precision temperature compensation, fast sensor drift diagnosis

• G03: Gen3 nuclear high-isolation grade, 2000V isolation, 50dB attenuation, fault waveform capture + non-volatile historical fault storage

• G04: Gen4 flagship ultra-high isolation, 2200V isolation, 55dB attenuation, nanosecond high-precision timestamp, wider operating temperature range

• G05: Gen5 premium seismic qualified grade, 2500V isolation, 60dB attenuation, anti-loose locking terminal structure, full IEEE 344 seismic certification, extended service life & warranty

• G06: Gen6 extreme super-isolation flagship, 3000V isolation, 65dB attenuation, nuclear anti-radiation component screening, double anti-loose terminals, 15-year power-off fault data retention, full seismic & radiation dual certification