Parameter Specifications

1. Part Number: 4D33804G01

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 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 universal configurable channels

10. Jumper Selectable Signal Modes

    DI: Passive dry contact discrete input (valve feedback, limit switches, interlock contacts)

    AI: 4–20mA DC current / 0–10V DC voltage analog input (pressure, flow, level transmitters)

    RTD: 3-wire PT100 platinum resistance temperature detector

11. RTD 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 lockout protection

    Real-time detection of DI contact fault, AI loop open/short, RTD sensor break/short

    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

   Universal mixed-signal acquisition terminal for reactor auxiliary cabinets integrating valve feedback interlock contacts, process analog transmitters and pipeline/equipment PT100 temperature probes.

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

   Multi-functional isolation signal conversion board for containment auxiliary mixed measurement points of interlock switches, process pressure/flow transmitters and medium temperature sensors.

3. Thermal & Hydropower Station Main Control Systems

   Compact multi-purpose input module for boiler auxiliary mixed measuring points: safety limit switches, water/steam flow/pressure transmitters and turbine bearing RTD sensors.

4. Explosion-Proof Petrochemical DCS Distributed Control System

   Integrated wiring terminal card for reactor area mixed field points: equipment interlock contacts, medium analog transmitters and tank wall temperature detectors.

5. Offshore Oil & Gas Explosion-Proof Automation Racks

   Isolation mixed-signal acquisition interface for wellhead platform valve feedback switches, crude pipeline flow/pressure transmitters and separator temperature PT100 probes.

6. Large Diesel Generator Safety Sequential Control Cabinets

   Universal input subcard integrating unit safety interlock switches, oil pressure/coolant flow analog transmitters and engine bearing temperature sensors.

7. Municipal Large-Scale Water Treatment Safety Interlock DCS

   Multi-signal isolation measurement terminal for pipeline interlock gate switches, flow/pressure transmitters and aeration tank equipment bearing temperature detectors.

8. Metallurgy & Cement Kiln Production Lines

   Mixed acquisition module for kiln safety door interlock contacts, flue gas pressure/flow transmitters and kiln shell PT100 temperature sensors.