Parameter Specifications

1. Part Number: 4D33913G04

2. Manufacturer: Emerson Westinghouse

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

4. Matching Accessories: Analog output master control boards, 49E-3649 rack backplane, 475HP1ENA9GMT redundant rack power supply

5. PCB Material: Multi-layer extra-thick copper halogen-free V-0 flame-retardant ultra-high-Tg FR-4 substrate

6. Dimension & Weight: 145mm × 66mm × 20.6mm; Net Weight: 64g

7. Ambient Operating Envelope

   Operating Temperature: -30℃ ~ +78℃

   Storage Temperature: -55℃ ~ +132℃

   Humidity: 5%~98% RH, non-condensing, full-board anti-mold conformal coating

8. Power Supply: DC 12V / DC 24V ultra-wide adaptive input, four-stage full protection (reverse connection / overvoltage / undervoltage / input surge)

9. Output Channels: 16 fully independent galvanic isolated analog output channels

10. Dual Standard Output Signal Modes

    • 4–20mA DC loop current: Compatible with two-wire passive valve positioners, field safety regulating actuators

    • 0–10V DC voltage: Direct drive linear small actuators, VFD speed analog setpoint interfaces

11. Channel Load Capacity

    • 4–20mA current output: Max load resistance 750Ω per channel

    • 0–10V voltage output: Min load impedance ≥10kΩ per channel

12. Isolation Index

    Single channel 2200V AC isolation withstand; 2200V AC dielectric strength withstand test for 60s; Insulation resistance ≥1500MΩ @500VDC

13. EMC Anti-interference Performance

    Power frequency interference attenuation ≥55dB, fully compliant with IEC 61000-6-2, full IEC 61000-4 EMC series + nuclear plant containment supplementary electromagnetic compatibility specifications

14. Protection & Intelligent Diagnosis Functions

    • Dual threshold ultra-high-precision constant current limiting protection per channel

    • Three-stage cascaded bidirectional ultra-large-energy surge absorption circuit

    • Full misconnection anti-damage protection: reverse polarity, cross wiring, overvoltage, undervoltage, overload, short-circuit

    • Sub-microsecond multi-dimensional real-time fault detection: output loop open-circuit, short-circuit, abnormal load impedance, terminal loose contact, signal over-range drift, output offset drift fault

    • Nanosecond ultra-high-precision timestamp fault upload, built-in fault level classification, channel location marking and event log sorting

    • Ultra-high-resolution full capture of fault transient waveform + permanent non-volatile historical fault storage, 10-year offline data retention without power supply

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 without interrupting any Class 1E safety closed-loop control loops

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

18. Aging & Validation Standard: 96-hour full-load high-low temperature cyclic aging test + multi-cycle thermal fatigue durability verification + full electromagnetic stress screening

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

20. 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

   Ultra-high isolation flagship high-density multi-point analog drive terminal for reactor core auxiliary safety cabinets, outputting high-stability precision regulation signals to batch primary cooling water control valve groups, containment multi-group ventilation isolation dampers and emergency chemical additive flow precision actuators.

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

   Top anti-interference multi-channel isolated analog output board for containment post-accident passive cooling flow fine-tuning valves, containment pressure relief dampers and safety-class emergency cooling fan speed regulators.

3. Thermal & Hydropower Station Main Control Systems

   Gen4 high-stability AO output module for boiler primary auxiliary multi-point precision regulation loads: feedwater main regulating valves, air-fuel ratio fine-adjustment dampers and turbine/generator auxiliary cooling medium high-precision actuator positioners.

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

   Premium nuclear safety flagship analog drive wiring card for reactor core hazardous zone medium precise regulating valves, storage tank liquid level closed-loop adjustment actuators and high-temperature heating medium flow control equipment.

5. Offshore Oil & Gas Explosion-Proof Automation Racks

   Anti-vibration ultra-high-isolation multi-channel analog drive interface for wellhead manifold pressure precise control valves, separator liquid level closed-loop actuators and marine platform heating medium regulators.

6. Large Heavy-Duty Diesel Generator Safety Sequential Control Cabinets

   Multi-point analog output subcard for genset fuel flow precision adjustment actuators, cooling water bypass control valves and exhaust flue gas emission treatment dampers.

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

   High-performance flagship isolation analog drive terminal for main pipeline flow closed-loop regulating valves, aeration tank dissolved oxygen fine-adjustment dampers and chemical dosing metering pump speed regulators.

8. High-Temperature Metallurgy & Large Cement Kiln Production Lines

   Heavy-duty wide-temperature resistant analog drive module for kiln main fuel flow precise control valves, high-temperature flue gas recirculation dampers and raw material feeding speed adjustment actuators.

Core Upgrade Comparison: G04 vs G03

1. Isolation voltage upgraded from 2000V AC to 2200V AC, inter-channel crosstalk further suppressed, adapt to near-core containment high EMI environment

2. EMI filter upgraded to sixth-order composite network, interference attenuation increased from 50dB to 55dB, stronger anti-radiation interference performance

3. Fault timestamp precision upgraded from microsecond to nanosecond level, accurate time sequence alignment for system fault tracing

4. Operating upper limit temperature expanded from +75℃ to +78℃, wider high-temperature tolerance for containment equipment room

5. Input power protection upgraded from three-stage to four-stage design, stronger resistance to power grid surge impact

6. Fault diagnosis expanded detection items, add output offset drift monitoring to guarantee long-term closed-loop regulation precision

7. Backplane connector gold-plating thickness increased, improve long-term contact reliability under high humidity nuclear environment

8. Full mechanical dimension, pin definition, backplane compatibility consistent with G01/G02/G03, direct drop-in replacement