DS3800HMPJ1B - Microprocessor Board

SPECIFICATIONS

Part No.: DS3800HMPJ1B
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Operating Temperature: -30 to 65 oC
Product Type: Microprocessor Board
Availability: In Stock
Series: Mark IV

Functional Description

DS3800HMPJ1B is a microprocessor board developed by GE. It is part of the Mark IV series. This system design employs three duplicate processors running in parallel, which significantly enhances the reliability and fault tolerance of the system. In the event of a failure in one processor, the other two can continue to operate, thus minimizing downtime and improving overall system robustness. This redundancy was a critical development, making the Mark IV system more reliable compared to previous GE turbine control systems.

Physical Characteristics and Components

• LED Indicators: Mounted on the leading edge of the board are two LED indicators - one yellow and one red. These LEDs provide visual feedback on the operational status of the board, such as power status or error conditions. The LEDs are essential for quick diagnostics and troubleshooting.
• Test Points and Jumper Switches: The board features several TP (test point) test points, which allow technicians to measure voltages or signals during maintenance and troubleshooting. Additionally, three jumper switches can be configured to alter the board's operational settings or to enable/disable specific functions.
• Cable Connector: A right-angled cable connector is present on the leading edge, facilitating connection to other system components and enabling communication with external devices.
• Extractor Clips: Factory-drilled holes equipped with extractor clips are provided to aid in the installation and removal of the board. These clips make it easier to handle the board, ensuring secure mounting and simplifying maintenance procedures.
• Backplane Connector: Located on the rear edge of the board is a backplane connector. This connector interfaces with the system’s backplane, enabling communication.

The WOC team is always available to help you with your Mark IV requirements. For more information, please contact WOC.

Frequently Asked Questions

What is DS3800HMPJ1B?
It is a microprocessor board developed by GE under the Mark IV series.

What are the functions of the LED indicators on HMPJ?
The LED indicators provide visual feedback on the board’s operational status. The yellow LED typically indicates general status or warnings, while the red LED often signals errors or critical conditions that require attention.

What are the test points (TP) used?
Test points are used for measuring voltages and signals during diagnostics and maintenance. They help technicians troubleshoot issues by providing access to key signals and parameters on the board.