- HMPJ Group 1 microprocessor-board function
- Processor-board format without a standard metal faceplate
- Two edge retention clips support installation in the receiving assembly
DS3800HMPJ1A1D is a General Electric Microprocessor Board designed for GE Mark IV Speedtronic turbine-control systems.
It performs processor-board functions within the receiving Mark IV control arrangement and may be installed with a documented companion board assembly.
Before replacement, verify the full label, receiving position, connector keying, configuration hardware, paired assemblies, and every affected control or feedback path.
Availability, condition, price, and shipping time for DS3800HMPJ1A1D are confirmed during quotation.
General Electric DS3800HMPJ1A1D Microprocessor Board Manuals, Product Family, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- HMPJ identifies the processor-board function
- Group 1 hardware must match the installed Mark IV position
- Firmware and companion-board identity require confirmation
- The board does not use a standard metal faceplate
- Two retention clips secure the edge in the receiving assembly
- Mounting and clearance must be checked before insertion
- Compare diagnostics before and after replacement
- Restore every connector and companion-board interface
- Test turbine control and protection paths under an approved procedure
- Processor-board service in Mark IV gas-turbine controls
- Processor-board service in Mark IV steam-turbine controls
- Control processing for documented turbine-driven compressor or mechanical-drive installations