DS3800HXPA - Memory Expander Board

SPECIFICATIONS

Part Number: DS3800HXPA
Manufacturer: General Electric
Function: Memory expansion/storage support
Mounting: Control cabinet rack installation
Memory Components: Multiple DIP IC memory chips
Country of Manufacture: United States(USA)
Series: Mark IV
Product Type: Memory Expander Board

Functional Description

DS3800HXPA is a Memory Expander Board developed by General Electric.�It is an electronic circuit board used to provide additional memory capability within GE turbine control systems. The board contains EEPROM modules that store firmware and control-related data required for proper system operation.�Features�multiple memory IC modules and interface connectors designed to support memory expansion functions in GE gas and steam turbine control systems

Features

• Provides additional memory capacity for Mark IV control systems
• Supports EEPROM-based memory storage
• Enables access to stored control programs and operational data
• Designed for modular installation within GE drive/control racks
• Includes ribbon cable connectors for communication with other boards
• Equipped with an indicator LED for board status monitoring

Memory Expander Board Layout

1. Multiple Memory IC Arrays

• The board contains numerous DIP-style integrated circuits arranged in rows.
• These components are consistent with a memory expansion architecture used in legacy turbine control systems.
• The high number of IC packages indicates that the board is designed to provide additional storage capacity for system firmware, configuration, or operational data.

2. Edge Connectors

• The board includes edge connectors along the side for integration into the GE Mark IV rack/backplane system.
• These connectors allow communication and power interface with other Mark IV control modules.

3. Configuration Components

• The PCB contains multiple jumper/configuration points and logic chips.
• These are typically used for hardware configuration, addressing, and communication settings within the turbine control cabinet.

4. Status/Diagnostic Elements

• The visible electronic components suggest the board was designed for industrial diagnostic and control environments where reliability and continuous operation are required.

Physical Construction and Design

• Industrial-grade printed circuit board construction
• Multiple memory IC modules arranged across the PCB
• Logic and interface components for system communication
• Edge connectors for rack mounting and backplane connection
• Hardware configuration elements for system integration

The robust design allows the board to operate continuously in demanding industrial environments such as power generation facilities.

WOC has the largest stock of�GE�control spares. We can repair your faulty parts. Please contact our staff by phone or email for pricing and availability on any parts and repairs.

FREQUENTLY ASKED QUESTIONS

�

What is the DS3800HXPA?

It�is a GE Mark IV Memory Expander Board designed for the Speedtronic Mark IV turbine control system. It provides additional memory capability and supports the storage of firmware and control-related information required by the turbine control system.

What function does the memory expander board perform?

The memory expander board provides additional memory resources required by the Mark IV control architecture. It supports storage functions associated with turbine control programs, system configuration, and operational data.

How do I identify a faulty HXPA board?

Common indicators of a failing HXPA may include system alarms, memory-related errors, unstable controller operation, or diagnostic messages from the Mark IV control system. Proper troubleshooting should be performed before replacement.

How is the board tested before installation?

A replacement board should undergo inspection, component testing, functional verification, and quality checks to ensure it meets operational requirements before being installed in a turbine control system.

Where can I buy the DS3800HXPA?

You can purchase the component from World of Controls (WOC), a supplier of GE Speedtronic turbine control spare parts. WOC provides GE Mark IV boards, including refurbished and tested replacement components, along with technical support and worldwide supply solutions.

How can I order the DS3800HXPA from WOC?

You can request the product from World of Controls (WOC) by providing the part number and application details. WOC supplies GE Speedtronic Mark IV spare boards with options for tested, refurbished, and replacement units to support turbine maintenance requirements.

Why choose World of Controls for HXPA replacement?

World of Controls (WOC) specializes in GE Speedtronic turbine control spare parts and provides sourcing support for obsolete and legacy components. WOC helps customers reduce turbine downtime by offering tested replacement boards, technical assistance, and global delivery solutions.