The GE DS200LRPAG1A, also cataloged as the DS200LRPA Line Protection Card, operates as a dedicated hardware component for line protection and voltage regulation within GE Speedtronic Mark V turbine control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200LRPAG1A |
| Brand | General Electric |
| Origin | USA |
| Series | Speedtronic Mark V |
| Product Type | Line Protection Card |
| Functional Acronym | LRPA |
| Dimensions | Standard GE Mark V Board Size |
| Operating Temp | 0 to 60 deg C |
| Weight | Standard GE Mark V Board Weight |
| Power Consumption | Powered via backplane and terminal feed connections |
| PCB Coating | Normal Coating |
| Terminal Interfaces | 2 x Screw terminal strips, 2 x Large lower ports |
| Onboard Connectors | 1 x Vertical female cable connector, multiple male stab-on connectors |
| Switching & Controls | Electromechanical relays, jumper switches, 1 x Reset switch |
| Tuning Devices | Integrated potentiometers |
| Visual Diagnostics | Onboard LED indicators |
| Active Protection | Step-down transformer, high-voltage electrolytic capacitors, transistors with heat sinks |
Firmware Flash Compatibility & Backplane Bus Processing
The DS200LRPAG1A interfaces across both Simplex and Triple Modular Redundant (TMR) Speedtronic Mark V backplane architectures. Signal processing streams through onboard high-voltage electrolytic capacitors, semiconductor diodes, and an isolation transformer to execute hardware-level line protection against transient voltage spikes. Bus communication velocity and determinism are maintained via optimized traces that link backplane signals to the front-facing vertical female connector and stab-on terminals. Hardware firmware execution compatibility is locked to Group 1 (G1) revision A revision standards.
Frequently Asked Questions
Q: How does the DS200LRPAG1A interface within both Simplex and TMR Mark V control systems?
A: The board features standard backplane bus connections and terminal interfaces compatible with both Simplex software-fault-tolerant layouts and TMR 2oo3 voting structures without physical modifications.
Q: What primary onboard elements manage voltage suppression on the DS200LRPAG1A?
A: Voltage suppression and regulation are executed using high-voltage electrolytic capacitors, dedicated resistor networks, heat-sinked power transistors, and an isolation transformer component.
Q: How is physical grounding and mounting established for this board?
A: The board incorporates factory-drilled mounting holes along its corners and perimeter edges to accept conductive metal standoffs or screws for chassis mounting.
Field Installation Guidelines
- De-energize all incoming high-voltage line feeds and main cabinet power before handling or mounting the board.
- Wear a grounded static-dissipative ESD wrist strap attached to the metal enclosure frame during installation to prevent static damage to sensitive semiconductor components.
- Secure all corner and perimeter mounting screws firmly to ensure reliable chassis ground continuity across all conductive standoffs.
- Verify cable orientation and strain relief for the vertical female connector and lower ports to prevent mechanical tension on the PCB traces.
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Guide
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