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GE DS3800HMPJ1A1D
Product Overview: The DS3800HMPJ1A1D is a microprocessor printed circuit board designated under the functional acronym HMPJ and classified as a Group 1 assembly within the Mark IV Speedtronic turbine control system series. The board is engineered for execution within triple modular redundant (TMR) turbine control architectures, which feature duplicated processors voting on inputs to maximize operational uptime and control integrity for industrial gas and steam turbines. It performs primary computing and logic execution functions within the Mark IV Speedtronic system.
Detailed content
Technical Specifications:
- Manufacturer: General Electric
- Product No.: DS3800HMPJ1A1D
- Series: Mark IV Speedtronic
- Functional Acronym: HMPJ
- Mark IV Grouping: Group 1 Assembly Type (Normal Assembly)
- Manufacturer Location: Salem, Virginia, USA
- Integrated Circuits: 50+ ICs including PROMs/EPROMs
- On-Board Indicators: 2 LEDs (1 Yellow, 1 Red)
- Dimensions: 280 mm x 220 mm x 25 mm (H x W x D)
- Weight: 450 g
- Passive/Active Components: Resistor network arrays, resistors, diodes, capacitors
- Hardware Configuration: Jumper switches, test points
- Mechanical Connectors: 1 Backplane connector, 1 cable connector, 1 vertical pin connector
- Board Mounting Features: 4 Daughterboard standoffs, 2 VME retention clips, insulated mounting holes
Structural Features:
- Base circuit board without a standard metal installation faceplate
- Two retention clips mounted on the right-hand edge to secure the module within a standard Mark IV VME rack installation assembly
- Backplane connector on one short edge and a cable connector on the opposite short edge
- Vertical pin connector positioned near four surface-mounted standoffs enables connection to a secondary daughterboard
- Factory-drilled mounting holes surrounded by insulating rings prevent surface voltage transference and electrostatic discharge
Key Features:
- TMR Architecture Integration: Operates within triple modular redundant control schemes with voter logic to eliminate single points of failure
- Dual Connector Configuration: Backplane edge connector and secondary cable connector for system and module-level communication
- Daughterboard Support: Vertical pin connector alongside four surface standoffs to support modular expansion via an add-on daughterboard
- VME Rack Retention: Two dedicated retention clips on the right side for direct installation into standard VME rack frames
- Insulated Mounting Protection: Factory-drilled mounting holes ringed with insulating material to safeguard against ESD and stray surface voltages
- On-Board Diagnostics and Configuration: Two status LEDs (one yellow, one red), accessible test points, and configurable hardware jumper switches
Application Scenarios: Primary computing and logic execution in GE Mark IV Speedtronic turbine control systems; management and control processing for industrial gas turbine installations; control architecture processing for industrial steam turbines.
Installation Guidelines: Match all configurable jumper switch positions on the replacement board directly to the settings of the existing board prior to installation.
