الوصف
The GE DS200UPLAG1 is a specialized printed circuit board (PCB) known as the LAN Power Supply Board or sometimes simply the Uninterruptible Power Link (UPL) Board, used in the General Electric Mark V Speedtronic Turbine Control System.
This board is essential for maintaining power integrity and facilitating communication within the control system’s network.
🔌 Primary Function: Power and Communication
The DS200UPLAG1 performs two main functions related to power distribution and network communication within the Mark V panel:
1. LAN/Network Interface
The board is primarily an interface for the Control System’s Local Area Network (LAN), which is the network used for communication between the main turbine control panels, operator interfaces, and other networked peripherals.
- It typically contains the necessary transceivers and interface circuitry to connect the Mark V’s proprietary LAN (often a modified ARCNET or similar protocol) to the power supply lines.
2. Power Conditioning and Supply
While it’s a “LAN Power Supply” board, its role is often to condition, isolate, and distribute power specifically to the network components (such as transceivers and buffers) on the board or to provide a filtered connection point for the LAN power.
- It may feature isolation transformers, fuses, or circuit breakers to protect the network from power surges and ensure clean power delivery, thereby protecting the sensitive communication links.
⚙️ Technical Details and Context
- Series: DS200 series for the Mark V Speedtronic Turbine Control System.
- Acronym: UPLA (Uninterruptible Power Link Assembly or similar).
- Mounting: It is typically a rack-mounted board installed within the main control panel that serves as a physical connection point for network cabling and provides the local power infrastructure for that connection.
As a legacy component of the DS200 series,



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