GE DS3800NOTA Overtemp Trip card

GE DS3800NOTA Overtemp Trip card

 

The primary function of the DS3800NOTA is to act as a crucial safety device by continuously monitoring temperature and initiating a trip (controlled shutdown) if an overtemperature condition is detected. This is a vital protective function for a turbine, as excessive heat can cause catastrophic damage to the rotor, blades, and other components. Its key roles include:

  • Temperature Monitoring: The card receives signals from thermocouples or other temperature sensors located throughout the turbine.
  • Overtemperature Protection: It is programmed to trigger an alarm and/or a trip when the temperature exceeds a predefined safety limit. This is a fast-acting protective circuit, often part of a redundant system to ensure reliability.
  • System Trip: When the temperature threshold is crossed, the card sends a signal to the main control system to immediately initiate a controlled shutdown of the turbine, preventing further damage.
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The GE DS3800NOTA is an Overtemperature Trip Card used in the GE Speedtronic Mark IV series of turbine and generator control systems. It is a legacy part, no longer in production, and is primarily found on the surplus and refurbished markets for the maintenance and repair of older systems. 🌡️

 

Function and Purpose

 

The primary function of the DS3800NOTA is to act as a crucial safety device by continuously monitoring temperature and initiating a trip (controlled shutdown) if an overtemperature condition is detected. This is a vital protective function for a turbine, as excessive heat can cause catastrophic damage to the rotor, blades, and other components. Its key roles include:

  • Temperature Monitoring: The card receives signals from thermocouples or other temperature sensors located throughout the turbine.
  • Overtemperature Protection: It is programmed to trigger an alarm and/or a trip when the temperature exceeds a predefined safety limit. This is a fast-acting protective circuit, often part of a redundant system to ensure reliability.
  • System Trip: When the temperature threshold is crossed, the card sends a signal to the main control system to immediately initiate a controlled shutdown of the turbine, preventing further damage.

 

Technical and Design Features

 

The DS3800NOTA is a robust, industrial-grade circuit board designed to operate in a demanding environment.

  • Legacy Part: The “DS3800” prefix indicates that it belongs to the legacy Mark IV series.
  • Connectors: The board features two 34-pin connectors for ribbon cables and a 20-pin connector for external connections.
  • Jumpers: It is equipped with 12 jumpers that allow technicians to configure its operational settings to match the specific requirements of a given application.
  • Status Indicators: The card includes a red LED light that illuminates to indicate a fault or a specific operational status, which aids in troubleshooting.
  • Industrial Durability: Like other GE industrial control components, this board is built to withstand harsh conditions, including high temperatures and electrical noise.

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