DS200LSTQF1CEE - Software PROM Set

DS200LSTQF1CEE - Software PROM Set DS200LSTQF1CEE - Software PROM Set

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Part Number: DS200LSTQF1CEE
Manufacturer: General Electric
Series: Mark V
Product type: GE Software PROM Set
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

DS200LSTQF1CEE is a GE Software PROM Set designed and developed by GE. It is a part of the Mark V control system. EPROMs are programmed or written electrically using special programming equipment. Once programmed, the data stored in an EPROM remains intact even when the power is turned off. However, what sets EPROM apart from other ROMs is its erasable feature. To erase the data stored in an EPROM, it needs to be exposed to ultraviolet (UV) light for a specified amount of time. This process erases the memory, allowing it to be reprogrammed with new data.


  • Programmability: EPROMs are programmable, meaning you can write data onto them. Initially, they come blank, and you can use a device called a programmer to write data onto specific memory locations.
  • Non-volatile Memory: Unlike RAM (Random Access Memory), which loses its data when power is removed, EPROM retains its programmed data even when power is turned off.
  • Read-Only Memory: EPROM is read-only in normal circumstances, meaning the data stored on it can be read or accessed but not easily modified.
  • Erasable: EPROM can be erased and reprogrammed multiple times. Erasure is typically done through exposure to ultraviolet (UV) light for a specified duration, which clears the memory cells, allowing them to be reprogrammed.
  • Usage: EPROMs were widely used in early computers, embedded systems, and devices that required firmware or data storage that could be modified occasionally. They were used to store BIOS (Basic Input/Output System) in computers, firmware in devices, and other critical data.
  • Physical Structure: EPROMs have a quartz window on top through which the UV light is applied during the erasure process. This window allows the UV light to penetrate and erase the memory cells.
  • Limitations: EPROMs have become less prevalent in modern electronics due to their requirement for UV erasure, which is less convenient compared to newer memory technologies like EEPROM (Electrically Erasable Programmable Read-Only Memory) and Flash memory, which can be erased and reprogrammed electronically without UV exposure.

Mark V Features

  • Shared Architecture, Maintenance, and Spare Parts across steam turbine, gas turbine, and other controls
  • Highly adaptable PC-based operator interface offering a Color Monitor and Logging Printer with comprehensive logs such as alarm log, event log, and historical trip log
  • Unified operator training and controls for both steam and gas turbines in combined-cycle STAG™ plants
  • Comprehensive Turbine-Generator Monitoring adaptable to turbines of all sizes
  • Precise High-Resolution Time Tags, including 1 ms time tags for contact inputs
  • Distributed Multiprocessor Control within each controller for maximal processing capability
  • Advanced Diagnostics capable of pinpointing faults to the card level in any of the triple-redundant controllers
  • Capability for On-Line Repair of the triple-redundant controllers
  • Inclusion of Standard built-in Synchronizing Check Protection
  • Fully Digital Valve Positioning for a more linear response of the steam turbine
  • Direct Interface to Turbine Devices, including proximity monitoring equipment
  • Compact Packaging, condensed into half the cabinet size of the previous control system

WOC is available 24x7 to assist you with any of your General Electric requirements. Please contact us by phone or email for pricing and availability on GE, Bently Nevada or Woodward parts and repairs.


What is DS200LSTQF1CEE?
It is a GE Software PROM Set designed and developed by GE

Can it be used for different types of turbines in combined-cycle plants?
Yes, the system offers unified operator training and controls for both steam and gas turbines in combined-cycle STAG plants.

What monitoring capabilities does it offer?
It includes comprehensive turbine-generator monitoring adaptable to turbines of various sizes, ensuring thorough oversight.

How precise is its time tagging feature?
The system features high-resolution Time Tags, including 1 ms time tags for contact inputs, enabling precise data timestamping.

Does it support advanced diagnostic and repair capabilities?
Yes, it has enhanced diagnostics that can isolate faults to the card level in the triple-redundant controllers and supports online repair of these controllers.