Parameter Specifications

1. Part Number: 4D33913G02

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 high-Tg FR-4 substrate

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

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 wide-range adaptive input

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

10. Standard Dual Output Signal Modes

    • 4–20mA DC loop current: Compatible with passive valve positioners

    • 0–10V DC voltage: Direct drive small actuators, VFD speed setpoints

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 1800V AC isolation withstand; 2000V AC dielectric strength withstand test for 60s; Insulation resistance ≥1200MΩ @500VDC

13. EMC Anti-interference Performance

    Power frequency interference attenuation ≥45dB, fully compliant with IEC 61000-6-2 industrial EMC specification

14. Protection & Intelligent Diagnosis Functions

    • Per-channel high-precision constant current limiting protection

    • Bidirectional high-energy surge absorption circuit

    • Reverse wiring polarity lockout & misconnection anti-damage protection

    • Real-time fast detection: output loop open-circuit / short-circuit / overload / abnormal load impedance fault

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

15. Mechanical Reliability

    Continuous vibration resistance 8g (10–150Hz); Shock resistance 25g pulse, 11ms duration

16. Core Feature: Single module hot swappable under energized rack without interrupting Class 1E safety closed-loop control loops

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 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

   Reinforced high-density multi-point safety analog drive terminal for reactor auxiliary cabinets, outputting regulation signals to batches of primary cooling water control valves, containment ventilation isolation dampers and emergency chemical additive flow actuators.

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

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

3. Thermal & Hydropower Station Main Control Systems

   Upgraded high-density AO output module for boiler feedwater regulating valves, air-fuel ratio adjustment dampers and turbine auxiliary cooling medium actuator positioners.

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

   Premium reinforced analog drive wiring card for reactor medium regulating valves, storage tank liquid level adjustment actuators and heating medium flow control equipment in explosion hazardous zones.

5. Offshore Oil & Gas Explosion-Proof Automation Racks

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

6. Large 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 treatment dampers.

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

   Reinforced isolation analog drive terminal for main pipeline flow regulating valves, aeration tank oxygen adjustment dampers and chemical dosing metering pumps.

8. Metallurgy & Cement Kiln Production Lines

   High-reliability multi-channel analog drive module for kiln fuel flow control valves, flue gas recirculation dampers and raw material feeding speed adjustment actuators.

Core Upgrade Difference: G02 vs Base G01

1. Channel isolation voltage upgraded from 1500V AC to 1800V AC, stronger anti-cross-talk capability between adjacent analog channels

2. EMI filter stage upgraded, interference attenuation raised from 40dB to 45dB, better adaptability to high electromagnetic radiation inside nuclear plant containment

3. Optimized loop fault diagnosis logic, faster response speed for open/short circuit fault detection, accurate abnormal load impedance identification

4. Reinforced PCB copper thickness and terminal corrosion-resistant coating, improved long-term stability under high humidity nuclear plant environment

5. Enhanced surge absorption circuit, stronger resistance to switching impact and lightning transient interference

6. Retains full hot-swap function, consistent mechanical dimension, backplane compatibility and signal definition with G01 for direct drop-in replacement

4D33913 Series Iteration Rule (Consistent with full Common Q I/O board product line)

• G01: Standard basic industrial version, 1500V isolation, 40dB attenuation, basic protection & simple fault alarm

• G02: Reinforced industrial enhanced version, 1800V isolation, 45dB attenuation, upgraded fast fault diagnosis

• G03: Gen3 nuclear high-isolation grade, 2000V isolation, 50dB attenuation, fault waveform capture + non-volatile historical fault storage

• G04: Gen4 flagship ultra-high isolation, 2200V isolation, 55dB attenuation, nanosecond high-precision timestamp, wider operating temperature range

• G05: Gen5 premium seismic qualified grade, 2500V isolation, 60dB attenuation, anti-loose locking terminal, IEEE 344 seismic certification, extended service life & warranty

• G06: Gen6 extreme super-isolation flagship, 3000V isolation, 65dB attenuation, nuclear anti-radiation screening, double anti-loose terminals, 15-year power-off fault data retention, full seismic & radiation dual certification