Parameter Specifications

1. Part Number: 4D33737G03

2. Manufacturer: Emerson Westinghouse

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

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

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

6. Dimension & Weight: 120mm × 66mm × 20.6mm; Net Weight: 59g

7. Ambient Operating Conditions: Operating Temp -30℃ ~ +75℃, Storage Temp -50℃ ~ +130℃, Humidity 5%~98% RH non-condensing

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

9. Total Channels: 12 fully independent galvanic isolated universal configurable channels

10. Jumper Selectable Signal Modes

    • DI: Passive dry contact discrete input

    • AI: 4–20mA DC current / 0–10V DC voltage analog input

    • RTD: 3-wire PT100 platinum resistance temperature input

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

12. Isolation Index: Single channel isolation withstand voltage 2000V AC; Dielectric withstand 2000V AC for 60s; Insulation resistance ≥1500MΩ @500VDC

13. EMC Anti-interference: Power frequency interference attenuation ≥50dB, complies with IEC 61000-6-2 industrial EMC specification

14. Protection & Intelligent Diagnosis: Per-channel precision constant current limiting protection, bidirectional ultra-high-energy surge absorption, reverse polarity lockout, microsecond-level open/short-circuit instant detection, real-time fault identification, microsecond high-precision timestamp fault upload, fault transient waveform full capture

15. Mechanical Reliability: Continuous vibration resistance 10g (10–150Hz); Shock resistance 30g pulse, 11ms duration

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

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

18. Aging Test Standard: 96-hour full-load high-low temperature cyclic aging test with thermal cycle fatigue verification

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

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

Application Fields

1. Nuclear power plant Common Q Class 1E safety I&C racks: High-isolation integrated multi-signal acquisition terminal for auxiliary cabinet valve feedback contacts, flow/pressure analog transmitters and pipeline PT100 temperature sensors

2. AP1000 nuclear Post-Accident Monitoring System (PAMS): Reinforced anti-interference universal signal conversion board for containment auxiliary equipment dry contacts, process analog signals and temperature measurement probes

3. Thermal & hydropower station main control systems: High-reliability multi-purpose input module integrating boiler limit switches, pressure/flow transmitters and turbine bearing PT100 RTD sensors

4. High-risk explosion-proof petrochemical DCS distributed control system: Premium integrated wiring card for reactor safety interlock switches, medium analog transmitters and tank wall PT100 temperature detectors

5. Offshore oil & gas explosion-proof automation racks: Anti-vibration universal signal isolation interface for wellhead valve feedback contacts, crude pipeline pressure signals and medium PT100 temperature sensors

6. Large diesel generator safety sequential control cabinets: Multi-signal acquisition subcard for unit fault switches, oil pressure analog transmitters and cooling water PT100 temperature probes

7. Municipal large-scale water treatment safety interlock DCS systems: High-performance integrated isolation terminal for liquid level interlock switches, pipeline flow analog signals and equipment bearing PT100 RTD sensors

8. Metallurgy & cement kiln production lines: Heavy-duty universal signal acquisition module for furnace safety door interlocks, flue gas pressure transmitters and kiln shell PT100 temperature detectors