GE DS200TCEAG1BNE – Enhanced Emergency Overspeed Protection Board

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Product Introduction

The DS200TCEAG1BNE is an upgraded version of the DS200TCEAG1ACB, a high-safety emergency overspeed protection board for the GE Mark V Speedtronic system. It features enhanced processing power, expanded diagnostic capabilities, and wider temperature tolerance, designed for extreme industrial environments and high-demand turbine applications requiring maximum safety and reliability.

Technical Specifications

Manufacturer: General Electric (GE)
Model: DS200TCEAG1BNE
Series: Mark V DS200 Speedtronic
Type: Enhanced Emergency Overspeed Protection Board (TCEA)
Speed Inputs: 3 × MPU inputs (0–20 kHz, high-frequency compatibility)
Overspeed Threshold: Programmable (90%–125% of rated speed)
Response Time: <5 ms (ultra-fast safety response)
Outputs: 3 × relay outputs (NO/NC, 24 VDC/8 A) + 1 × solid-state output (24 VDC/2 A)
Processor: 32-bit safety-grade microprocessor (TMR architecture)
Memory: 64 KB EEPROM (fault logging, 1000+ events)
Power Supply: +5 VDC (backplane), 24 VDC (outputs, redundant input)
Weight: ~0.98 kg
Operating Temperature: -20°C to +70°C (extended range)
Certifications: IEC 61508 SIL 3, CE, UL, CSA, ATEX (Zone 2)

Key Features

Ultra-Fast Safety Response: <5 ms detection-to-trip time ensures immediate protection against catastrophic overspeed events in high-speed turbines.
Extended Environmental Tolerance: Operates reliably in -20°C to +70°C and 5%–95% non-condensing humidity, suitable for extreme industrial environments.
Expanded Fault Logging: 64 KB EEPROM stores over 1000 fault events (time-stamped speed data, channel status, trigger causes) for post-incident analysis.
Multi-Output Redundancy: 3 relay outputs + 1 solid-state output provide diverse redundant trip signals, supporting multiple shutdown devices and enhancing safety layers.
ATEX Zone 2 Certified: Compliant with ATEX directives for explosive atmospheres, suitable for oil, gas, and chemical plant hazardous areas.

Application Scenarios

High-Speed Turbines: Advanced gas turbines (F-class/H-class) and high-speed steam turbines in combined-cycle power plants.
Hazardous Areas: Oil refineries, LNG facilities, and chemical plants (ATEX Zone 2) with explosive atmosphere risks.
Extreme Environments: Offshore power platforms, desert power plants, and Arctic industrial facilities with extreme temperature conditions.

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