4D33816G04 Gen4 Ultra-High Isolation Flagship 12-Channel Isolated RTD Temperature Input Terminal Daughter Card for Common Q Class 1E Nuclear Safety DCS_Ningde Androld Automation Equipment Co.,Ltd.

June 10, 2026

4D33816G04 Gen4 Ultra-High Isolation Flagship 12-Channel Isolated RTD Temperature Input Terminal Daughter Card for Common Q Class 1E Nuclear Safety DCS

Fully certified to NRC Class 1E nuclear safety standards, the 4D33816G04 is the fourth-generation top-tier fully optimized high-precision RTD temperature acquisition terminal daughter card, iteratively upgraded upon G01/G02/G03 generations for Emerson Westinghouse Common Q nuclear safety I&C platform. It samples ultra-stable temperature signals from 3-wire PT100 platinum resistance sensors deployed on reactor primary auxiliary pipelines, main rotating equipment bearings, containment accident cooling loops and nuclear safety critical process equipment, supplying high-accuracy temperature measurement data for safety monitoring, thermal trend tracking and reactor trip interlock logic.

Description

Parameter Specifications

Part Number: 4D33816G04
Manufacturer: Emerson Westinghouse
Compatible System: Common Q Class 1E Safety Instrument & Control DCS System
Matching Accessories: RTD temperature master acquisition boards, 49E-3649 rack backplane, 475HP1ENA9GMT redundant rack power supply
PCB Material: Multi-layer ultra-thick copper zero-halogen V-0 flame-retardant high-Tg FR-4
Dimension & Weight: 120mm × 66mm × 20.6mm; Net Weight: 60g
Ambient Operating Envelope
Operating Temperature: -30℃ ~ +75℃
Storage Temperature: -50℃ ~ +130℃
Humidity: 5%~98% RH, non-condensing
Power Supply: DC 12V / DC 24V dual wide-range adaptive input
Input Channels: 12 fully independent galvanic isolated RTD input channels
Supported Sensor: 3-wire PT100 platinum resistance temperature detector
Standard Measurement Range: -200℃ ~ +850℃
Isolation Index
Single channel 2200V AC isolation withstand; 2200V AC dielectric strength test for 60s; Insulation resistance ≥1500MΩ @500VDC
EMC Anti-interference Performance
Power frequency interference attenuation ≥55dB, fully compliant with IEC 61000-6-2 industrial EMC specification
Protection & Intelligent Diagnosis Functions
- Per-channel high-precision constant current limiting protection
- Bidirectional ultra-high-energy surge absorption circuit
- Reverse wiring polarity lockout protection
- Microsecond-level real-time fault detection: RTD sensor open-circuit / short-circuit / three-wire breakage / poor contact fault
- Nanosecond high-precision timestamp fault code real-time upload to master controller
- Full capture of fault transient waveform + large-capacity permanent non-volatile historical fault storage
Mechanical Reliability
Continuous vibration resistance 12g (10–150Hz); Shock resistance 30g pulse, 11ms duration
Core Feature: Single module hot swappable under energized rack without interrupting any safety temperature measurement loops
Certifications: CE, UL508, IEC60204-1, NRC Class 1E nuclear safety qualification
Aging Validation Standard: 96-hour full-load high-low temperature cyclic aging test + long-term thermal cycle fatigue durability verification
Design Service Life: ≥150,000 hours of 24/7 unattended continuous operation
Warranty Period: 12-month global unified warranty for original factory modules and certified factory refurbished modules

Application Fields

Nuclear Power Plant Common Q Safety I&C Racks
Ultra-high isolation high-precision temperature acquisition terminal for reactor auxiliary cabinets, covering primary cooling system pipelines, main pump/motor bearing and containment atmosphere PT100 temperature monitoring points.
AP1000 Nuclear Post-Accident Monitoring System (PAMS)
Top-tier anti-interference temperature signal conversion board for containment core accident cooling circuits, reactor vessel outer wall and containment vent pipeline PT100 temperature probes.
Thermal & Hydropower Station Main Control Systems
High-stability high-accuracy RTD input module for boiler drum wall, turbine/generator main bearing, stator winding and unit closed cooling water PT100 temperature detectors.
High-Risk Explosion-Proof Petrochemical DCS Distributed Control System
Premium nuclear safety grade temperature wiring terminal card for reactor inner wall, high-temperature reaction pipelines and storage tank bottom wall PT100 temperature sensors.
Offshore Oil & Gas Explosion-Proof Automation Racks
Anti-vibration ultra-stable isolation temperature acquisition interface for wellhead high-pressure crude pipelines, separator heating jackets and medium delivery pipelines PT100 probes.
Large Diesel Generator Safety Sequential Control Cabinets
High-precision temperature input subcard for engine cylinder liner, crankshaft main bearing and closed circulation cooling water PT100 temperature sensors.
Municipal Large-Scale Water Treatment Safety Interlock DCS Systems
High-performance isolation temperature measurement terminal for main sewage conveying pipelines, aeration tank walls and large blower motor bearing PT100 temperature detectors.
Metallurgy & Cement Kiln Production Lines
Heavy-duty high-temperature precision acquisition module for rotary kiln outer shell, high-temperature flue gas headers and raw material roasting conveying equipment PT100 temperature sensors.

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