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The GE DS200UPLAG1ACB LAN Power Supply Card is a vital component within the General Electric Mark V Speedtronic Turbine Control System.1
This board’s function is to provide the regulated power supply necessary for the $\text{LAN}$ (Local Area Network) communication interface within the controller module. This stable power is critical for reliable data exchange, which is the backbone of the Mark V’s protective and control functions, especially in Triple Modular Redundant ($\text{TMR}$) systems.
📋 Board Breakdown: DS200UPLAG1ACB
The full part number contains important revision information, following the standard GE naming convention:
| Segment | Description | Detail |
| DS200 | Series Tag | GE Mark V/Drive Control Product Line |
| UPLA | Functional Acronym | LAN Power Supply Circuit |
| G1 | Grouping Tag | Design Group 1 |
| A | 1st Functional Revision | Revision A |
| C | 2nd Functional Revision | Revision C (Indicates an update/improvement over ‘B’) |
| B | Artwork Revision | Revision B (Indicates a change in the board’s physical layout or coating over ‘A’) |
Key Features and Configuration
As a $\text{LAN}$ Power Supply board in the Mark V series, the DS200UPLAG1ACB typically includes hardware components used for configuration and connectivity:
- Connectivity: Features multiple connectors, including 26-pin and 8-pin connectors, for power and ribbon cable interface with other control cards.2
- Protection/Control: Contains at least one fuse and a reset button.3
- Configuration: Like other boards in the series, it is populated with DIP switches or jumpers that allow engineers to set the board’s behavior and personality specific to its application within the turbine control panel.
Important Note for Replacement: When replacing a DS200UPLAG1ACB, it is essential for maintenance personnel to transfer the exact jumper and $\text{DIP}$ switch settings from the old board to the new one, as these settings define the board’s operational mode within the specific turbine control application.
