GE DS3800HMPJ Microprocessor Board(XIONGBA)

GE DS3800HMPJ Microprocessor Board(XIONGBA)

Product Summary

  • Brand Model: GE DS3800HMPJ
  • Product Name: GE DS3800HMPJ Microprocessor Board
  • Warranty: 1 year (third-party)
  • Compatibility: GE Mark IV Speedtronic Turbine Control System
  • Key Features: TMR architecture, RS-485/Ethernet interfaces, modular design
  • Purchasing Notes: Obsolete but available through specialized suppliers like AX Control and Amikon
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Description

GE DS3800HMPJ Microprocessor Board

Product Overview

The GE DS3800HMPJ is a specialized microprocessor board designed for GE’s Mark IV Speedtronic turbine control system, serving as the computational core for real-time data processing and inter-module coordination in industrial gas and steam turbine applications 7. Engineered to manage critical control functions, this board executes control algorithms, processes sensor inputs, and interfaces with peripheral modules to ensure precise turbine operation.

 

Featuring a modular design with a vertical pin connector and four standoffs for potential daughterboard expansion, the GE DS3800HMPJ enables scalable system configurations. Its dual-sided layout includes over 50 integrated circuits, including multiple PROM/EPROM modules for storing control logic, ensuring reliable performance in high-vibration environments typical of power plants and refineries. The board supports RS-485 and Ethernet communication interfaces, facilitating seamless integration with other Mark IV modules 79.

 

As part of the Mark IV ecosystem, the GE DS3800HMPJ leverages GE’s Triple Modular Redundancy (TMR) architecture, which uses duplicated processors to vote on inputs and minimize downtime 78. While the Mark IV series is considered obsolete, this board remains critical for legacy systems in power generation, oil & gas, and heavy machinery sectors.

Technical Specifications

Parameter Name Parameter Value
Product Model GE DS3800HMPJ
Manufacturer General Electric (GE)
Product Type Microprocessor Board
Compatibility GE Mark IV Speedtronic Turbine Control System
Processor Custom microprocessor (likely based on Motorola MC68030 architecture, inferred from related models like DS3800HMPJ1B1D 9)
Memory Multiple PROM/EPROM modules for control logic storage
Communication RS-485, Ethernet
Connectors Vertical pin connector + 4 standoffs for daughterboard expansion
Power Supply 24 V DC ±10% (system-powered)
Operating Temperature -30°C to +55°C
Physical Dimensions Standard Mark IV rack-mount size (inferred from compatibility)
Weight ~1.5 kg (3.3 lbs) (inferred from similar Mark IV modules)
Warranty 1 year (third-party suppliers, e.g., AX Control, Amikon 21)

Key Features and Advantages

Rugged Industrial Design: Shielded connectors and surge protection circuits safeguard against electromagnetic interference (EMI) and voltage spikes, ensuring stable performance in harsh environments. The board’s modular design with retention levers facilitates secure installation and minimizes vibration-related failures 712.

 

TMR Architecture: The Mark IV system’s Triple Modular Redundancy ensures fault tolerance by using three processors to vote on critical decisions, reducing downtime in mission-critical applications 78.

 

Scalable Communication: RS-485 and Ethernet interfaces enable seamless integration with GE’s Mark IV I/O modules (e.g., DS3800HPIB panel boards, DS3800NVCD digital control boards, and DS3820DMCB/DMVB input modules 19), supporting hybrid control architectures.

 

Legacy System Compatibility: Despite the Mark IV series being obsolete, the GE DS3800HMPJ remains compatible with legacy systems, making it ideal for retrofitting and maintenance projects in aging power plants and industrial facilities 712.

Application Areas

The GE DS3800HMPJ excels in industrial applications requiring reliable microprocessor control:

 

  • Power Generation: Manages speed regulation, generator synchronization, and exhaust emissions in gas/steam turbines, optimizing energy production and grid stability.
  • Oil & Gas: Controls wellhead pressure, pump synchronization, and safety interlocks in offshore platforms and refineries.
  • Heavy Machinery: Monitors rotational speed and torque in mining crushers and conveyor systems to prevent equipment failure.

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Installation and Maintenance

Pre-Installation Preparation:
Verify compatibility with the Mark IV system and ensure the control rack’s DIN rail is securely mounted. Use GE’s TriStation software to upload control logic to the board’s EPROM modules and configure communication protocols. Align the board with the rack’s connectors and engage retention levers for a secure connection.

 

Maintenance Recommendations:
Regularly inspect for physical damage and clean dust from vents. Perform firmware updates as recommended by GE or third-party suppliers. For hardware issues, follow GE’s guidelines for module replacement, using anti-static wrist straps to prevent ESD damage. Retain original jumper settings and terminal configurations for future reference 712.

Product Assurance

The GE DS3800HMPJ is typically sold by third-party suppliers like AX Control and Amikon with a 1-year warranty covering defects in materials and workmanship 21. Global technical support is available through authorized service networks, offering troubleshooting assistance and replacement parts.
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