Parameter Specifications

1. Part Number: 4D33913G03

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 thick copper zero-halogen 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℃ ~ +75℃

   Storage Temperature: -50℃ ~ +130℃

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

8. Power Supply: DC 12V / DC 24V dual wide-range adaptive input, reverse connection + overvoltage + undervoltage three-stage full input protection

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

10. Dual Standard Output Signal Modes

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

    • 0–10V DC voltage: Direct drive small linear actuators, VFD speed 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 2000V AC isolation withstand; 2000V AC dielectric strength withstand test for 60s; Insulation resistance ≥1500MΩ @500VDC

13. EMC Anti-interference Performance

    Power frequency interference attenuation ≥50dB, fully compliant with IEC 61000-6-2 and full series IEC 61000-4 industrial EMC standards, matched nuclear plant on-site supplementary EMC requirements

14. Protection & Intelligent Diagnosis Functions

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

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

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

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

    • High-precision timestamp fault code + channel location + fault classification real-time upload to master controller

    • Full high-resolution fault transient waveform capture + non-volatile permanent historical fault storage, supporting 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 + thermal cycle 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

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

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

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

3. Thermal & Hydropower Station Main Control Systems

   High-reliability Gen3 AO output module for boiler primary auxiliary multi-point regulation loads: feedwater main regulating valves, air-fuel ratio adjustment dampers and turbine/generator auxiliary cooling medium actuator positioners.

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

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

5. Offshore Oil & Gas Explosion-Proof Automation Racks

   Anti-vibration high-isolation multi-channel analog drive interface for wellhead manifold pressure control valves, separator liquid level 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 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 nuclear-grade isolation analog drive terminal for main pipeline flow regulating valves, aeration tank dissolved oxygen adjustment dampers and chemical dosing metering pump speed regulators.

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

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

Core Upgrade Comparison: G03 vs G02

1. Isolation voltage upgraded from 1800V AC to 2000V AC, insulation resistance increased to 1500MΩ, stronger inter-channel anti-crosstalk capability

2. EMI filter upgraded to fifth-order composite network, interference attenuation improved from 45dB to 50dB, adapt to high electromagnetic radiation near containment

3. Added fault transient waveform capture function + non-volatile 10-year power-off fault log storage (unique Gen3 and above core feature, not available on G01/G02)

4. Fault detection speed upgraded to microsecond level, supports multi-dimensional composite fault identification including loose terminal contact and signal drift

5. Three-stage cascaded surge absorption circuit replaces single-stage design of G02, stronger resistance to switching surges and lightning transient impact

6. Operating temperature range expanded (-30℃ ~ +75℃), added anti-mold conformal coating for long-term high-humidity nuclear plant environment

7. Design service life extended from 100,000 hours to 150,000 hours, complete mechanical size and backplane pin compatibility with G01/G02 for direct replacement