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The GE DS215TMIBP1AZZ01A is a specialized Turbine Control Module Interface Board (TMIB) with a STCAG1 (Speedtronic Control & Governor) board, a LBC-586P processor, and firmware, used in the GE Mark V Speedtronic series of turbine control systems.
Function and Purpose
The primary function of the DS215TMIBP1AZZ01A is to serve as a high-performance central processor and communication hub for the Mark V system. It is a key component that provides the computational power to execute the control logic for the turbine and its associated equipment. Its key roles include:
- Central Processing: The board is equipped with an LBC-586P microprocessor. This allows the card to run the complex algorithms and logic necessary for turbine control, including speed, load, and temperature control.
- System Communication: It is a vital communication hub, connecting to the Drive Local Area Network (DLAN) and other communication protocols. This enables the board to communicate with other modules in the Mark V system as well as with external systems like a plant-wide SCADA (Supervisory Control and Data Acquisition) system. The “PANA” suffix likely refers to a specific software or communication package, such as a PANAL-compatible interface.
- Firmware: The “w/firmware” designation means the board has dedicated, on-board software that defines its specific functionality. The firmware is stored in EPROMs (Erasable Programmable Read-Only Memory), making it a self-contained and highly functional unit.
- Fault Tolerance: In a Triple Modular Redundant (TMR) system, three of these cards are used in the R, S, and T cores. This provides a high degree of fault tolerance, as the system can continue to operate even if one of the boards fails. The voting logic ensures that the turbine continues to function correctly.
Technical and Design Features
The DS215TMIBP1AZZ01A is a robust, industrial-grade circuit board designed for reliability in harsh environments.
- Modular Design: The “DS215” prefix indicates that it is a 2-series board, a later generation of GE’s control cards. It is designed to plug into a specific location within the Mark V system’s control cabinet.
- Component Set: The board is populated with a wide range of components, including the microprocessor, memory chips, resistor network arrays, jumper switches, and various connectors. It is also protected by a conformal coating to shield its components from environmental factors.
- Connectivity: The board features multiple connectors to interface with other boards, including the 3PL connector for the system’s data bus and other connectors for power and I/O signals.
The DS215TMIBP1AZZ01A is no longer manufactured by GE but is available on the surplus and refurbished market for the maintenance and repair of existing Mark V systems.
