4D33816G03 Gen3 High-Isolation 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

4D33816G03 Gen3 High-Isolation 12-Channel Isolated RTD Temperature Input Terminal Daughter Card for Common Q Class 1E Nuclear Safety DCS

Fully qualified to NRC Class 1E nuclear safety criteria, the 4D33816G03 is the third-generation reinforced high-performance RTD temperature acquisition terminal daughter card, comprehensively upgraded based on standard G01 variant for Emerson Westinghouse Common Q safety I&C platform. It acquires accurate temperature measurement signals from 3-wire PT100 platinum resistance sensors installed on reactor auxiliary pipelines, rotating equipment bearings, containment cooling circuits and safety-grade process equipment, providing high-precision temperature data for nuclear safety monitoring and trip logic judgment.

Description

Parameter Specifications

Part Number: 4D33816G03
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 thick copper zero-halogen V-0 flame-retardant high-Tg FR-4
Dimension & Weight: 120mm × 66mm × 20.6mm; Net Weight: 59g
Ambient Operating Envelope
Operating Temp: -30℃ ~ +75℃
Storage Temp: -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 2000V AC isolation withstand; 2000V AC dielectric strength test for 60s; Insulation resistance ≥1500MΩ @500VDC
EMC Anti-interference Performance
Power frequency interference attenuation ≥50dB, 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 detection: RTD sensor open-circuit / short-circuit / wire breakage fault
- High-precision timestamp fault code real-time upload to master controller
- Fault transient waveform full capture + permanent non-volatile historical fault storage
Mechanical Reliability
Continuous vibration resistance 10g (10–150Hz); Shock resistance 30g pulse, 11ms duration
Core Feature: Single module hot swappable under energized rack without interrupting 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 + 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
High-isolation precision temperature acquisition terminal for reactor auxiliary cabinets, used for cooling pipeline, main pump/motor bearing and containment medium PT100 temperature monitoring of primary safety auxiliary systems.
AP1000 Nuclear Post-Accident Monitoring System (PAMS)
Heavy-duty anti-interference temperature signal conversion board for containment equipment shell, accident cooling circulation pipeline and containment atmosphere PT100 temperature probes.
Thermal & Hydropower Station Main Control Systems
High-reliability RTD input module for boiler drum wall, turbine/generator main bearing and unit cooling water PT100 temperature detectors.
High-Risk Explosion-Proof Petrochemical DCS Distributed Control System
Premium temperature wiring terminal card for reactor inner wall, high-temperature process pipeline and storage tank wall PT100 temperature sensors.
Offshore Oil & Gas Explosion-Proof Automation Racks
Anti-vibration isolation temperature acquisition interface for wellhead crude conveying pipeline, separator equipment and heating medium PT100 probes.
Large Diesel Generator Safety Sequential Control Cabinets
Temperature input subcard for engine cylinder liner, main crankshaft bearing and closed cooling circulation water PT100 sensors.
Municipal Large-Scale Water Treatment Safety Interlock DCS Systems
High-performance isolation temperature measurement terminal for sewage conveying pipeline, aeration tank and blower motor bearing PT100 temperature detectors.
Metallurgy & Cement Kiln Production Lines
Heavy-duty high-temperature acquisition module for kiln outer shell, high-temperature flue gas pipeline and raw material conveying equipment PT100 temperature sensors.

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