Parameter Specifications

1. Part Number: 4D33668G01

2. Manufacturer: Emerson Westinghouse

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

4. Matching Accessories: Universal signal 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 Input: DC 12V / DC 24V dual adaptive power supply

9. Total Channels: 12 fully independent isolated universal channels

10. Configurable Signal Modes via Jumpers

    • DI: Passive dry contact discrete input

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

    • RTD: 3-wire PT100 temperature input

11. Isolation Performance: 1500V AC isolation voltage per channel; 2000V AC dielectric withstand for 60s; Insulation resistance ≥1200MΩ @ 500VDC

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

13. Protection & Diagnosis: Per-channel current-limiting protection, bidirectional surge absorption, reverse polarity prevention, open/short-circuit fault detection, real-time fault status upload to main controller

14. Mechanical Performance: Continuous vibration resistance 8g (10–150Hz); Shock resistance 25g pulse, duration 11ms

15. Core Function: Single-module hot swappable

16. Certifications: CE, UL508, IEC60204-1, NRC Class 1E nuclear safety certification

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

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

19. Warranty: 12-month global unified warranty

Application Fields

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

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

3. Thermal & hydropower station control systems: Multi-purpose input module integrating boiler limit switches, pressure transmitters and bearing temperature RTD sensors

4. Explosion-proof petrochemical DCS: Integrated wiring card for tank level switches, 4–20mA process transmitters and reactor PT100 temperature probes

5. Offshore oil & gas explosion-proof automation racks: Multi-signal isolation interface for wellhead valve contacts, pressure analog signals and pipeline temperature sensors

6. Large diesel generator safety sequential control cabinets: Universal acquisition subcard for unit fault switches, oil pressure analog transmitters and cooling water PT100 sensors

7. Municipal large-scale water treatment safety interlock DCS: Integrated terminal for liquid level switches, flow analog signals and tank temperature RTD probes

8. Metallurgy and cement kiln production lines: Multi-signal acquisition module for furnace door interlocks, flue gas pressure transmitters and kiln shell PT100 temperature sensors