4D33613G02 Reinforced High-Isolation High-Precision 16-Channel Analog Output Terminal Daughter Card for Common Q Class 1E Nuclear Safety DCS System_Ningde Androld Automation Equipment Co.,Ltd.

June 10, 2026

4D33613G02 Reinforced High-Isolation High-Precision 16-Channel Analog Output Terminal Daughter Card for Common Q Class 1E Nuclear Safety DCS System

The 4D33613G02 is a second-generation upgraded NRC Class 1E nuclear safety certified analog output terminal subcard, iteratively improved based on 4D33613G01 for Emerson Westinghouse Common Q safety Instrument & Control platform. It serves as reinforced galvanic isolation drive interface between rack analog output master control boards and safety-critical field proportional actuators, including core safety regulating valves, high-precision electric valve positioners and process variable frequency drives.

Description

1. Product Title

4D33613G02 Reinforced High-Isolation High-Precision 16-Channel Analog Output Terminal Daughter Card for Common Q Class 1E Nuclear Safety DCS System

2. Product Brief Introduction

This module receives digital closed-loop control commands transmitted by the rack master CPU and converts digital logic signals into standard 4–20mA DC current and 0–10V DC voltage analog drive signals. Each channel is equipped with upgraded high-withstand isolation transformers, multi-stage LC low-pass EMI filters and large-capacity bidirectional freewheeling back EMF absorption circuits, which fully suppress severe common-mode interference, ground potential drift and lightning surge noise generated by long-distance field cables in nuclear containment safety zones, thermal power boiler main control areas and high-risk petrochemical reaction workshops.

The PCB adopts multi-layer V-0 flame-retardant high-Tg FR-4 substrate with thickened hard gold-plated backplane gold fingers and optimized anti-corrosion nickel-gold anti-loosening high-temperature field wiring terminals, achieving ultra-stable long-term output precision under continuous high-temperature, high-humidity and dusty harsh industrial environments. Every channel integrates independent fast-blow overcurrent fuses, reverse wiring blocking and instantaneous load short-circuit automatic cut-off protection. The built-in full-channel real-time fault self-diagnosis function supports higher sampling frequency timestamped fault code upload to the rack diagnostic board for rapid failure positioning; single-channel faults are isolated independently without interrupting critical safety closed-loop control loops or damaging rack core control equipment. The card supports single-module hot swapping under energized racks to minimize maintenance downtime for critical process actuator wiring. All finished modules pass 72-hour full-load high-low temperature cyclic aging calibration and fully comply with NRC Nuclear Class 1E safety certification standards, providing further optimized anti-interference performance, measuring precision and diagnostic capability for nuclear-grade safety-critical process regulation racks.

3. Parameter Specification Sheet

Basic Information

Part Number: 4D33613G02
Brand: Emerson / Westinghouse
Product Type: Reinforced High-Isolation High-Precision Analog Output Field Terminal Daughter Card
Compatible Platform: Common Q Class 1E Safety Instrument & Control DCS System
Matching Supporting Modules: Analog output master control boards, 49E-3649 rack backplane, 475HP1ENA9GMT redundant rack power supply
PCB Material: Multi-layer isolated high Tg FR-4, V-0 flame retardant
Surface Treatment: Thick hard gold plating for backplane connectors; upgraded nickel-gold oxidation-resistant anti-loosening screw-type field wiring terminals
Overall Dimensions: 120mm × 66mm × 20.5mm
Net Weight: 57g
Storage Temperature Range: -50℃ ~ +125℃
Operating Ambient Temperature: -25℃ ~ +70℃
Working Humidity: 5% ~ 95% RH, non-condensing
Matched Power Input: DC 12V / DC 24V dual wide voltage adaptive
Primary Power Circuit Inductance Limit: ≤23μH

Electrical & Analog Drive Performance

Rated Supply Voltage: DC 12V / DC 24V dual wide input
Output Channels: 16 fully independent isolated analog output channels
Standard Output Signals: 4–20mA DC analog current, 0–10V DC analog voltage
Output Transmission Precision: ±0.04% full scale (optimized from G01’s ±0.05% FS)
Single Channel Isolation Dielectric Strength: Field actuator load side ↔ rack internal logic circuit ≥1800V AC
Power Frequency Interference Attenuation: ≥46dB (enhanced from G01’s 45dB)
Insulation Resistance: ≥1200MΩ @ 500VDC test voltage
Dielectric Withstand Voltage: AC 2000V, continuous withstand for 60 seconds
EMC Compliance: IEC 61000-6-2 industrial immunity standard, NRC nuclear safety EMC certified
Integrated Protection & Diagnosis Functions: Per-channel independent fast fuse overcurrent protection, bidirectional high-energy surge transient absorption, reverse wiring blocking, load short-circuit automatic cut-off, inductive load back EMF clamping, ground potential difference suppression, high-frequency real-time channel drift/open-circuit fault detection and high-resolution timestamped fault code upload
Hot Swap Operation Rule: Single analog output terminal card supports hot plug replacement; remaining critical regulation channels maintain uninterrupted closed-loop control during module maintenance

Mechanical & Installation Specifications

Mounting Method: Plug-in docking with Common Q standard rack backplane 49E-3649
Interfaces: Dedicated exclusive gold finger backplane connector + upgraded anti-loosening screw-type field actuator wiring terminals
Vibration Resistance: 10–150Hz frequency range, continuous vibration tolerance up to 8g
Shock Resistance: 25g pulse impact resistance, pulse duration 11ms

Certification & Quality Standards

Safety Grade: NRC Nuclear Class 1E qualified safety critical second-generation high-precision safety process analog regulation isolation drive component
Global Certifications: CE, UL508, IEC60204-1
Pre-delivery Test Items: 72-hour high-low temperature cycle aging test, full-range analog output precision calibration test, lightning surge durability test, multi-channel high-frequency fault linkage diagnosis test, long-term inductive load stability aging test
Design Service Life: ≥100,000 hours of 24/7 non-stop stable operation
Warranty Policy: 12-month global unified warranty for original new modules and factory refurbished modules

4. Application Fields

Nuclear power plant Common Q Class 1E safety I&C system, second-generation high-precision isolation analog drive terminal for reactor protection cabinet core coolant flow, pressure and liquid level safety control valves
AP1000 nuclear Post-Accident Monitoring System (PAMS), containment critical process regulating valve proportional drive and high-speed fault diagnostic interface board
Thermal power & hydropower stations, boiler main fuel emergency regulating valves, turbine main steam control valves and feedwater ultra-high precision actuator analog output terminal module
Petrochemical explosion-proof DCS distributed control system, high-risk reactor pressure and core pipeline flow anti-surge ultra-precision analog wiring card
Offshore oil & gas platform explosion-proof safety automation rack, wellhead safety liquid level and pressure critical regulating valve high-stability drive terminal board
Large diesel generator safety sequential control cabinet, main cooling water flow and fuel pressure closed-loop ultra-precise adjustment analog output subcard
Municipal large-scale water treatment safety interlock DCS rack, emergency chemical dosing pump proportional control valve and main pipeline flow regulating actuator reinforced isolation drive terminal board
Metallurgy & cement kiln-furnace production line, furnace core air volume and high-temperature flue gas flow ultra-precision regulating valve analog output control module

Content Verification Note

Confirmed fixed factual information: 4D33613G02 is the second-generation optimized high-isolation analog output terminal daughter card of Emerson Common Q nuclear DCS series, upgraded from 4D33613G01 with higher output precision, stronger anti-interference filtering and faster fault diagnosis sampling, 1800V reinforced per-channel isolation, single-module hot swappable, compliant with NRC Nuclear Class 1E safety standards, compatible with rack backplane 49E-3649 (unified coding specification of Common Q nuclear-grade DCS spare parts).
Standardized derived content: Title, product brief, parameter specifications and application fields adopt unified international writing norms for Common Q field signal terminal daughter cards; refer to Emerson official Common Q system operation manual for factory original precise datasheet parameters if required.

Optional Short Standalone Titles

4D33613G02 Gen2 High-Isolation 16-Channel Ultra-High Precision Analog Output Terminal Card for Class 1E Nuclear DCS
4D33613G02 Common Q Nuclear-Grade Second-Generation Critical Safety AO Field Signal Interface Daughter Card
4D33613G02 Reinforced Isolation Ultra-Precision Analog Regulation Wiring Board for Nuclear Safety I&C Rack

Contact Info