Parameter Specifications

1. Part Number: 5200D06H01

2. Manufacturer: Emerson Westinghouse

3. Compatible System: Common Q Class 1E Nuclear Safety DCS

4. Matching Devices

   • Up to 6 pcs standard 4D33xxx series I/O terminal daughter cards (AI/AO/DI/DO/RTD/TC/pulse/encoder)

   • Common Q redundant rack power supply: 475HP1ENA9GMT

   • Mainframe master control communication backplane

5. PCB Material: Extra thick multi-layer high-Tg high-temperature zero-halogen V-0 flame retardant FR-4 PCB, full-board high-temperature anti-oxidation & anti-mold triple conformal coating

6. Subrack Dimension: Standard cabinet 6U subrack, depth matching 145mm I/O daughter cards

7. Ambient Operating Envelope (H high-temp core advantage)

   Operating Temperature: -25℃ ~ +80℃ (standard 5200D06G01 only up to +70℃)

   Storage Temperature: -55℃ ~ +135℃

   Humidity: 5%~98% RH, non-condensing, salt fog resistant

8. Power Distribution Specification

   Input power: DC 12V / DC 24V dual redundant power input

   Single slot rated power output: Max 30W per I/O slot

   Independent slow-blow fuse per slot for overload/short-circuit isolation

   Hot-swap soft-start circuit for each slot to suppress plug-in surge current

9. Bus & Signal Routing

   Internal isolated parallel safety signal bus, isolated power bus, fault alarm bus

   Each slot built-in LC EMI filter array to suppress inter-slot signal crosstalk

   Gold plating thickness of slot connector: 5μm high-temperature anti-wear gold plating

10. Isolation & EMC Performance

    Inter-slot signal isolation: 1500V AC basic isolation

    Power bus dielectric withstand: 2000V AC / 60s

    Power frequency interference attenuation ≥40dB, meets nuclear containment supplementary EMC screening standards

11. Mechanical & Seismic Reliability

    Continuous vibration resistance: 8g (10–150Hz)

    Shock resistance: 25g pulse, 11ms duration

    Reinforced metal bracket positioning, anti-loose fixed screw structure

12. Core Feature

    6-slot high-temperature dedicated I/O subrack backplane; full hot-swap support for all Common Q I/O daughter cards; independent single-slot fault isolation; compatible with all 4D33xxx series terminal modules; long-term stable operation under high ambient heat near nuclear primary equipment.

13. Certifications: CE, UL508, IEC60204-1, full NRC Class 1E nuclear safety qualification, high-temperature thermal aging screening certification

14. Aging Validation Standard: 144h full-load high-temperature thermal soak test + high-low temperature cyclic aging + electromagnetic stress screening

15. Design Service Life: ≥100,000 hours 24/7 continuous operation

16. Warranty Period: 12-month global unified warranty for original and factory refurbished backplanes

Application Fields

1. Nuclear Power Plant Common Q Safety I&C Cabinets

   High-temperature 6-slot I/O subrack backplane for reactor primary equipment adjacent high-heat safety cabinets, carrying mixed configuration of AI, RTD, TC, DI, DO, pulse encoder daughter cards for primary coolant system, steam generator and containment safety parameter monitoring.

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

   High-temperature anti-interference I/O subrack deployed in containment peripheral high-temperature equipment rooms, carrying passive cooling system pressure/temperature/flow measurement modules and accident state digital feedback modules.

3. Thermal & Hydropower Seismic Power Station Main Control Cabinets

   High-temperature reinforced 6-slot subrack for boiler furnace adjacent high-heat control cabinets, equipped with thermocouple, RTD and analog input modules for high-temperature flue gas and furnace wall monitoring.

4. High-Risk Petrochemical Explosion-Proof High-Temperature Zone Control Cabinets

   High-temperature subrack backplane for reaction furnace adjacent hazardous zone cabinets, carrying high-temperature thermocouple and process analog acquisition I/O modules.

5. Offshore Oil & Gas Platform High-Temperature Process Cabinets

   Anti-salt-fog high-temperature I/O subrack for crude high-temperature pipeline control cabinets, compatible with flow pulse, pressure analog and temperature measurement daughter cards.

6. Nuclear Island Emergency Backup Diesel Generator Control Cabinets

   High-temperature subrack for genset exhaust high-heat adjacent cabinets, carrying exhaust thermocouple, speed encoder and safety interlock DI/DO modules.

H Suffix Special Version vs Standard 5200D06G01 Core Differences

1. Upper operating temperature limit increased from +70℃ to +80℃, suitable for poorly heat-dissipated cabinets near nuclear primary equipment and containment walls

2. Full PCB high-temperature anti-oxidation triple conformal coating, components passed extended 144h thermal soak aging screening

3. Slot connector upgraded to high-temperature wear-resistant gold-plated parts, no contact resistance drift under long-term high-temperature operation

4. Each slot power fuse and filter components adopt high-temperature resistant models, no performance degradation under wide temperature fluctuation

5. Added independent backplane temperature real-time monitoring circuit, upload over-temperature alarm signal to master control system

6. Mechanical outline, slot spacing, power/signal pin definition fully consistent with standard G version, direct drop-in replacement without cabinet modification

5200D Series Suffix Rule & Product Positioning

1. Suffix definition

   • Gxx: General industrial standard backplane (G01 basic version)

   • Hxx: High-temperature reinforced special backplane

2. Model digit meaning: 5200D06 = 6-slot standard I/O subrack backplane; other models include 5200D04 (4-slot), 5200D08 (8-slot)

3. Product division logic

   • 4D33xxx series: Front-end I/O signal terminal daughter cards (AI/AO/DI/DO/Temp/Pulse/Encoder)

   • 5200Dxxx series: Subrack backplane rack accessories, responsible for power distribution, bus interconnection and mechanical carrying of I/O daughter cards